[
 {
  "id": "mcp-agent402",
  "name": "Agent402",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "mpp",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, MPP, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://agent402.tools",
  "sources": [
   {
    "url": "https://agent402.tools",
    "quote": "a tool, pay the 402, get JSON. Resolve any task in one free call, then pay per request in USDC on Base + 10 more chains, or USDG on Robinhood Chain, or over MPP, natively on Tempo. Free tier by proof-of-work. Discoverable from llms.txt , openapi.json , .well-known/x402 and the MCP connector . GET /api/find?q= free GET"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-agentdata-nl",
  "name": "agentdata-nl",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://agentdata-api.sander-van-aard.workers.dev",
  "sources": [
   {
    "url": "https://agentdata-api.sander-van-aard.workers.dev",
    "quote": "agentdata-nl agentdata-nl Paid European company screening for AI agents (x402 + MCP), straight from official public registers: company registers (NL/UK/FR/NO/CH/CZ/FI/PL), insolvency, EU + UN sanctions, VAT, LEI and MiCA checks. Pay per"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-agentradar-mcp",
  "name": "agentradar-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/Bichev/agentradar-mcp",
  "sources": [
   {
    "url": "https://github.com/Bichev/agentradar-mcp",
    "quote": "an on-chain attestation for this verified agent\" Pricing verify_agent : $0.005 per call (x402) or free with operator key attest_agent : $5.00 per attestation (x402) or free with operator key get_score : Free Admin endpoints : Operator key required License MIT About MCP server for AgentRadar — trust scoring, scam"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-agentsvc-io",
  "name": "agentsvc.io",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://agentsvc.io",
  "sources": [
   {
    "url": "https://agentsvc.io",
    "quote": "Code, OpenClaw and other skill-based agents. Drop it into the skills folder. Remote MCP https://agentsvc.io/mcp Streamable HTTP, every service as a tool, x402 payment inside tools/call. Clients built on @x402/mcp pay automatically; nothing to install. MCP server (local) https://agentsvc.io/mcp-server.mjs One file"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://agentsvc.io/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:57",
   "initializeHttp": 200,
   "serverName": "agentsvc",
   "toolsListed": 129,
   "sampleTools": [
    "screenshot",
    "weather",
    "exchange_rates",
    "html_to_pdf",
    "ip_lookup",
    "webpage_reader"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-agentwallet-mcp",
  "name": "agentwallet-mcp",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (x402); it is not a server that charges per call.",
  "url": "https://github.com/hifriendbot/agentwallet-mcp",
  "sources": [
   {
    "url": "https://github.com/hifriendbot/agentwallet-mcp",
    "quote": "spending Buy YES/NO shares on prediction markets Provide liquidity and earn trading fees Claim winnings All on-chain. All through MCP. No frontend needed. x402 Payments AgentWallet speaks the x402 open payment standard the way the spec defines it. When your Ai agent hits an API that answers HTTP 402, pay_x402 does"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-alby-mcp",
  "name": "Alby MCP (getAlby/mcp)",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "lightning"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (lightning); it is not a server that charges per call. Spending budgets and permissions are set on the connected NWC wallet (e.g. an Alby Hub app connection), not inside the MCP itself.",
  "url": "https://github.com/getAlby/mcp",
  "sources": [
   {
    "url": "https://github.com/getAlby/mcp",
    "quote": "Apache-2.0 license Security More items Alby Bitcoin Payments MCP Server NEW: also checkout Alby CLI for agents that don't support MCP. Connect a bitcoin lightning wallet to your LLM using Nostr Wallet Connect ( NWC ). This MCP server uses the official MCP TypeScript SDK This MCP server has knowledge of NWC , LNURL and"
   }
  ],
  "lastChecked": "2026-10-24",
  "mcpEndpoint": "https://mcp.getalby.com/sse",
  "probe": {
   "probedAt": "2026-10-18",
   "initializeHttp": null,
   "basis": "not reachable / not probed"
  },
  "manual": {
   "date": "2026-10-24",
   "why": "Job 19: Apache-2.0 re-verified; spend-control note"
  }
 },
 {
  "id": "mcp-anchor-x402",
  "name": "anchor-x402",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://anchor-x402.com",
  "sources": [
   {
    "url": "https://anchor-x402.com",
    "quote": "Desktop, Cursor, or OpenAI Agents SDK and the services become callable tools that auto-pay from your Base wallet. npx anchor-x402-mcp . Direct HTTP: any x402 v2 client SDK works — @x402/fetch for TypeScript, the Python x402 SDK, or Rust. Same dance: 402 → sign → retry. Source:"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-ankr-x402-monad-rpc-agent-tools",
  "name": "Ankr (x402 Monad RPC + agent tools)",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Ankr launched x402 (USDC on Monad) for its RPC and agent tools (MCP at mcp.ankr.com/rpc, 25 tools listed). Unpaid POST to the x402 RPC endpoint answered HTTP 402 ($0.001 USDC); the MCP endpoint itself answered initialize/tools/list without payment.",
  "url": "https://www.ankr.com/blog/ankr-launches-x402-payments-starting-with-monad/",
  "sources": [
   {
    "url": "https://www.ankr.com/blog/ankr-launches-x402-payments-starting-with-monad/",
    "quote": "and settles the payment. Ankr returns the data. Agents can find every available tool on their own through Ankr's discovery manifest, which follows the x402 v2 spec on Monad mainnet ( eip155:143 ). What Agents Can Access With x402 x402 opens two ways into Ankr on Monad. Agents that use MCP can call Ankr's agent"
   },
   {
    "url": "https://x402.rpc.ankr.com/monad_mainnet",
    "quote": "HTTP 402 + x402 v2 challenge: amount 1000 atomic units of USDC (= $0.001) (same host also sends an MPP Payment challenge)",
    "type": "live-probe"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://mcp.ankr.com/rpc",
  "probe": {
   "probedAt": "2026-10-18T00:19:00",
   "initializeHttp": 200,
   "serverName": "Ankr Agent RPC MCP Server",
   "toolsListed": 25,
   "sampleTools": [
    "getAccountBalance",
    "getTokenPrice",
    "getTransaction",
    "getLogs",
    "getBlock",
    "getBalances"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true,
  "probe402": {
   "url": "https://x402.rpc.ankr.com/monad_mainnet",
   "status": 402,
   "probedAt": "2026-10-18T00:12:16",
   "basis": "one unpaid POST {} ; challenge only decoded, nothing paid"
  }
 },
 {
  "id": "mcp-apibase-pro",
  "name": "APIbase.pro",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "mpp",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, MPP, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://apibase.pro",
  "sources": [
   {
    "url": "https://apibase.pro",
    "quote": "Let AI agents buy from it MCP + REST endpoint Live https://apibase.pro/mcp Copy 1405 tools 405 providers Agent calls a tool POST /mcp Gateway asks for payment HTTP 402 Agent pays in USDC x402 · MPP Tool responds result Who it is for AI agents Call any of 1405 tools through https://apibase.pro/mcp . Pay per call from $0.0005"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://apibase.pro/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:57",
   "initializeHttp": 200,
   "serverName": "APIbase",
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  }
 },
 {
  "id": "mcp-bitcoinbenji-mcp",
  "name": "bitcoinbenji-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "l402",
   "lightning"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over L402, lightning (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/ocbenji/bitcoinbenji-mcp",
  "sources": [
   {
    "url": "https://github.com/ocbenji/bitcoinbenji-mcp",
    "quote": "GitHub - ocbenji/bitcoinbenji-mcp: MCP server for the Bitcoin Benji API — Lightning-paid Bitcoin mempool intelligence + sovereign on-prem AI inference (L402). No third-party APIs. · GitHub Skip to content Navigation Menu Sign in Appearance"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-bolthub-sdk",
  "name": "bolthub-sdk",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "l402",
   "lightning"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over L402, lightning (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/signaltech-org/bolthub-sdk",
  "sources": [
   {
    "url": "https://github.com/signaltech-org/bolthub-sdk",
    "quote": "packages. bolthub is a payment layer for agent-to-tool commerce: charge agents for your MCP tools and APIs per call, settling straight to your wallet over Lightning (L402), with bolthub never in the funds path. These packages are the open-source side of that: the tool-payment SDK, payment clients, MCP servers, a CLI, and"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-botindex-mcp",
  "name": "BotIndex MCP",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/Cyberweasel777/botindex-mcp-server",
  "sources": [
   {
    "url": "https://github.com/Cyberweasel777/botindex-mcp-server",
    "quote": "market signals $0.10 botindex_agent_trace Agent reasoning trace $0.05 botindex_discover Full endpoint catalog (FREE) Free How Payment Works BotIndex uses x402 — the HTTP 402 Payment Required protocol by Coinbase. Your Agent → calls botindex tool MCP Server → GET king-backend.fly.dev/api/botindex/v1/sports/odds ← 402"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-bounty-api",
  "name": "Bounty API",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://bountyapi.com",
  "sources": [
   {
    "url": "https://bountyapi.com",
    "quote": "Bounty API — Pay-per-call data APIs for AI agents Bounty APIs Pricing Setup Docs LIVE MCP discovery · x402 payments · no API keys Data APIs agents can discover, price, and call by themselves. Social intelligence, company research, news, jobs, and app reviews — all"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-bridgenode",
  "name": "BridgeNode",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://bridgenode.cc",
  "sources": [
   {
    "url": "https://bridgenode.cc",
    "quote": "— chat (x402 paid) GET https://bridgenode.cc/v1/models — models + prices (public) https://bridgenode.cc/mcp — MCP server (x402 paid tools) Free models No payment, no API key, no registration — just send a request with the model id (first request → 200 directly). gpt-oss-20b ,"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://bridgenode.cc/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:57",
   "initializeHttp": 200,
   "serverName": "bridgenode",
   "toolsListed": 3,
   "sampleTools": [
    "chat_completions",
    "list_models",
    "get_price_estimate"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-circle-agent-stack-mcp",
  "name": "circle-agent-stack-mcp",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (x402, stablecoin); it is not a server that charges per call.",
  "url": "https://github.com/kinance/circle-agent-stack-mcp",
  "sources": [
   {
    "url": "https://github.com/kinance/circle-agent-stack-mcp",
    "quote": "GitHub - kinance/circle-agent-stack-mcp: MCP server for Circle Agent Stack — wallet management, USDC transfers, and x402 nanopayments via tool calls · GitHub Skip to content Navigation Menu Sign in Appearance settings Platform AI CODE CREATION GitHub Copilot Write better code"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-clawpay-mcp",
  "name": "clawpay-mcp",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (x402); it is not a server that charges per call.",
  "url": "https://github.com/up2itnow0822/clawpay-mcp",
  "sources": [
   {
    "url": "https://github.com/up2itnow0822/clawpay-mcp",
    "quote": "GitHub - up2itnow0822/agentpay-mcp: Non-custodial x402 MCP payment layer for AI agents — the open-source alternative to Vercel x402-mcp · GitHub Skip to content Navigation Menu Sign in Appearance settings Platform"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-deskcrew-mcp",
  "name": "deskcrew-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Page: read tools free, action tools return HTTP 402 and are paid per call in USDC (x402). Unpaid POST to its MCP door answered HTTP 402 with an x402 v2 challenge ($0.05 USDC).",
  "url": "https://github.com/webmilmind1/deskcrew-mcp",
  "sources": [
   {
    "url": "https://github.com/webmilmind1/deskcrew-mcp",
    "quote": "picks the answer that actually helps their customer. Two ways in Anonymous, pay per action. No account, no API key. Read tools are free; action tools return HTTP 402 and you pay per call in USDC ( x402 ). Use any desk's public door at /api/mcp/{tenant} . This is the section directly below. Free credential, run your own"
   },
   {
    "url": "https://deskcrew.io/api/mcp/deskcrew",
    "quote": "HTTP 402 + x402 v2 challenge: amount 50000 atomic units of USD Coin (= $0.05)",
    "type": "live-probe"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://deskcrew.io/api/mcp/deskcrew",
  "probe": {
   "probedAt": "2026-10-18T00:19:07",
   "initializeHttp": 200,
   "serverName": "DeskCrew",
   "toolsListed": 25,
   "sampleTools": [
    "list_tickets",
    "search_tickets",
    "get_ticket_context",
    "triage",
    "draft_reply",
    "propose_resolution"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true,
  "probe402": {
   "url": "https://deskcrew.io/api/mcp/deskcrew",
   "status": 402,
   "probedAt": "2026-10-18T00:16:37",
   "basis": "one unpaid POST {} ; challenge only decoded, nothing paid"
  }
 },
 {
  "id": "mcp-dpx-settlement-protocol",
  "name": "DPX Settlement Protocol",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://mcp.untitledfinancial.com",
  "sources": [
   {
    "url": "https://mcp.untitledfinancial.com",
    "quote": "\"description\": \"DPX cross-border settlement rail — remote MCP interface\", \"endpoint\": \"POST /mcp\", \"auth\": \"Bearer token (Authorization: Bearer <key>) or x402 USDC micropayment\", \"x402\": { \"enabled\": true, \"network\": \"eip155:8453\", \"asset\": \"USDC\", \"contract\": \"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\","
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://mcp.untitledfinancial.com/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:10",
   "initializeHttp": 200,
   "serverName": "dpx",
   "toolsListed": 116,
   "sampleTools": [
    "protocol.manifest",
    "settlement.quote",
    "esg.score",
    "esg.lookup",
    "esg.batch",
    "esg.watch"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-dripmetrics",
  "name": "DripMetrics",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://dripmetrics.ai",
  "sources": [
   {
    "url": "https://dripmetrics.ai",
    "quote": "/market/summary . Pay per request using x402 instead of buying a full data platform subscription. Agents can also connect over MCP at mcp.dripmetrics.ai — discovery is free, and metric fetches are paid with the same x402 flow. View Catalog"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://mcp.dripmetrics.ai/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:00",
   "initializeHttp": 200,
   "serverName": "dripmetrics",
   "toolsListed": 6,
   "sampleTools": [
    "list_metrics",
    "describe_metric",
    "get_payment_requirements",
    "get_metric",
    "compute_portfolio_var",
    "compute_spread_greeks"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-fiatdock",
  "name": "FiatDock",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://fiatdock.com",
  "sources": [
   {
    "url": "https://fiatdock.com",
    "quote": "{\"name\":\"FiatDock\",\"description\":\"A marketplace where AI agents discover MCP services and buy them from other agents per call, in USDC over x402 — paid straight to the seller's wallet; FiatDock never holds the money. You are charged only if the seller actually answers: settlement happens AFTER"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://fiatdock.com/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:59",
   "initializeHttp": 200,
   "serverName": "fiatdock",
   "toolsListed": 49,
   "sampleTools": [
    "get_quote",
    "get_order_status",
    "token_price",
    "search_services",
    "get_service",
    "search_x402"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-gapup-mcp",
  "name": "Gapup MCP",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/getgapup/gapup-mcp-public",
  "sources": [
   {
    "url": "https://github.com/getgapup/gapup-mcp-public",
    "quote": "GitHub - getgapup/gapup-mcp-public: Gapup MCP - 271 agent-payable tools (competitive intel, finance, KYC, compliance, ESG). x402 per-call, free no-auth discovery tier. https://mcp.gapup.io/mcp · GitHub Skip to content Navigation Menu Sign in Appearance settings Platform AI CODE CREATION"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://mcp.gapup.io/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:00",
   "initializeHttp": 200,
   "serverName": "gapup-mcp",
   "toolsListed": 279,
   "sampleTools": [
    "content_catalog",
    "content_enrichment",
    "content_discovery",
    "content_similar",
    "content_taxonomy",
    "content_audience_profile"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-gate402",
  "name": "Gate402",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://gate402.app",
  "sources": [
   {
    "url": "https://gate402.app",
    "quote": "pay-per-call data, web and file tools for AI agents over x402 Gate402 Pay-per-call data, web and file tools for AI agents. Each call is paid in USDC over HTTP 402 (x402), with no account or API key. x402 Base · Polygon · Arbitrum no signup MCP $1 file tools Finance endpoints for trading agents Endpoint Price (USDC) What"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-gatefare-mcp",
  "name": "Gatefare MCP",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (x402, stablecoin); it is not a server that charges per call.",
  "url": "https://github.com/gatefareio/mcp-server",
  "sources": [
   {
    "url": "https://github.com/gatefareio/mcp-server",
    "quote": "GitHub - gatefareio/mcp-server: MCP server for Gatefare — discover, buy, and publish paid APIs (x402 over USDC on Base) from Claude, Cursor, and any AI agent. · GitHub Skip to content Navigation Menu Sign in Appearance settings Platform AI CODE CREATION"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-giskard-search",
  "name": "giskard-search",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "lightning"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over lightning (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/giskard09/giskard-search",
  "sources": [
   {
    "url": "https://github.com/giskard09/giskard-search",
    "quote": "GitHub - giskard09/giskard-search: MCP server with Lightning Network payments - pay sats to search the web · GitHub Skip to content Navigation Menu Sign in Appearance settings Platform AI CODE CREATION GitHub Copilot"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-goldbean-api",
  "name": "GoldBean API",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://goldbean-api.xyz",
  "sources": [
   {
    "url": "https://goldbean-api.xyz",
    "quote": "signup required 🤖 One API, 7 LLMs — DeepSeek, Kimi, Doubao, Qwen, Hunyuan, ERNIE, GLM 📦 MCP Ready — npx goldbean-mcp for Cursor, Claude, and other AI agents ⚡ x402 Micropayments — Pay per call with USDC on Base, no subscription 🔒 Privacy First — No user tracking, no data retention, GDPR compliant 📖 OpenAPI Spec — Full"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-harvey-budget",
  "name": "Harvey Budget",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://budget.rugslayer.com",
  "sources": [
   {
    "url": "https://budget.rugslayer.com",
    "quote": "HARVEY BUDGET - MCP Server HARVEY BUDGET Spending intelligence for autonomous agents server harvey-budget version 1.0.0 protocol MCP + x402 payment USDC on Solana tools 6 available status ONLINE This endpoint serves AI agents via the Model Context Protocol. Are you a developer? View tools &"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-harvey-intel",
  "name": "Harvey Intel",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://agents.rugslayer.com",
  "sources": [
   {
    "url": "https://agents.rugslayer.com",
    "quote": "HARVEY INTEL - MCP Server HARVEY INTEL Security intelligence for autonomous agents server harvey-intel version 1.0.0 protocol MCP + x402 payment USDC on Solana tools 4 available status ONLINE This endpoint serves AI agents via the Model Context Protocol. Are you a developer? View tools &"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-harvey-tools",
  "name": "Harvey Tools",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://tools.rugslayer.com",
  "sources": [
   {
    "url": "https://tools.rugslayer.com",
    "quote": "ZERO CORE TOOLS - MCP Server ZERO CORE TOOLS General-purpose tools for autonomous agents server zero-core-tools version 1.0.0 protocol MCP + x402 payment USDC on Solana tools 8 available status ONLINE This endpoint serves AI agents via the Model Context Protocol. Are you a developer? View tools &"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-harvey-verify",
  "name": "Harvey Verify",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://verify.rugslayer.com",
  "sources": [
   {
    "url": "https://verify.rugslayer.com",
    "quote": "HARVEY VERIFY - MCP Server HARVEY VERIFY Outcome verification for agent transactions server harvey-verify version 1.0.0 protocol MCP + x402 payment USDC on Solana tools 5 available status ONLINE This endpoint serves AI agents via the Model Context Protocol. Are you a developer? View tools &"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-instadomain",
  "name": "InstaDomain",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "mpp",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, MPP, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://instadomain.fly.dev",
  "sources": [
   {
    "url": "https://instadomain.fly.dev",
    "quote": "Scoped API token Wholesale registry cost + small flat markup. Exact price always returned by check_domain before purchase. Pay with Stripe Checkout , Stripe MPP , or x402 (USDC on Base). No hidden fees. No upsells. No renewal traps. rest api Free. No auth. For direct HTTP integration without MCP. openapi docs → GET"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://instadomain.fly.dev/mcp/",
  "probe": {
   "probedAt": "2026-10-18T00:18:59",
   "initializeHttp": 200,
   "serverName": "instadomain",
   "toolsListed": 12,
   "sampleTools": [
    "check_domain",
    "check_domains_bulk",
    "suggest_domains",
    "get_domain_status",
    "request_transfer_code",
    "verify_transfer_code"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-invinoveritas",
  "name": "invinoveritas",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "l402",
   "lightning",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, L402, lightning, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/babyblueviper1/invinoveritas",
  "sources": [
   {
    "url": "https://github.com/babyblueviper1/invinoveritas",
    "quote": "a public on-chain track record, losses included. Free EdgeProof backtest validation. Underneath: memory, sandboxed execution, marketplace. Pay in sats, USDC (x402), or card. invinoveritas.dev Topics agent ai-agents ai-governance ai-safety anthropic backtesting bitcoin bolt11 claude erc-8004 l402 lightning-network mcp"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://api.babyblueviper.com/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:57",
   "initializeHttp": 200,
   "serverName": "invinoveritas",
   "toolsListed": 36,
   "sampleTools": [
    "reason",
    "decision",
    "review",
    "signals",
    "markets_act",
    "agent_economy_brief"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-jorgenclaw-sovereign-mcp",
  "name": "Jorgenclaw Sovereign MCP (paid tier)",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "lightning"
  ],
  "verdict": "YES",
  "note": "README says the paid \"Sovereign MCP\" charges sats per call (Lightning-gated). The free nostr-mcp-server in the same repo is not paid. Endpoint did not answer when probed, so liveness is unverified.",
  "url": "https://github.com/jorgenclaw/nostr-mcp-server",
  "sources": [
   {
    "url": "https://github.com/jorgenclaw/nostr-mcp-server",
    "quote": "Compatible with: nsecbunker , Amber , any NIP-46 signer. Also Available: Sovereign MCP (Paid) For agents that need verifiable signed actions with a Lightning-gated audit trail: https://mcp.jorgenclaw.ai/mcp 9 tools, sats per call, LCS-1 action receipts. No signup. Dependencies nostr-tools — Nostr protocol library"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://mcp.jorgenclaw.ai/mcp",
  "probe": {
   "probedAt": "2026-10-18",
   "initializeHttp": 0,
   "basis": "endpoint did not answer an unauthenticated MCP initialize (no HTTP response) on 2026-10-18; payment claim rests on the README quote only"
  }
 },
 {
  "id": "mcp-jorkal-nft-mcp",
  "name": "jorkal-nft-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/jorkal-crypto/jorkal-nft-mcp",
  "sources": [
   {
    "url": "https://github.com/jorkal-crypto/jorkal-nft-mcp",
    "quote": "GitHub - jorkal-crypto/jorkal-nft-mcp: MCP server for Solana NFT market data — floor prices, listings, stats, wallet holdings. Powered by x402 micropayments. · GitHub Skip to content Navigation Menu Sign in Appearance settings Platform AI CODE CREATION GitHub Copilot Write better code with AI GitHub"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://jorkal-nft-mcp.vercel.app/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:59",
   "initializeHttp": 200,
   "serverName": "Solana NFT & Crypto Data API",
   "toolsListed": 21,
   "sampleTools": [
    "nft_floor",
    "nft_listings",
    "nft_stats",
    "wallet_nfts",
    "nft_activity",
    "nft_token"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-lazaretto",
  "name": "Lazaretto",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://lazaretto.dev",
  "sources": [
   {
    "url": "https://lazaretto.dev",
    "quote": "MCP server Streamable HTTP, 5 free tools GitHub Action Fails the build on known malware, free Claude Code plugin Asks before any install of listed malware x402 pay per call USDC on Base, no account, $0.03 a scan Read the developer guide Accountability Checked in public. A security tool you cannot audit is one more"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://lazaretto.dev/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:59",
   "initializeHttp": 200,
   "serverName": "lazaretto",
   "toolsListed": 9,
   "sampleTools": [
    "known_bad_lookup",
    "check_lockfile",
    "scan_artifact",
    "scan_lockfile_deep",
    "scan_mcp_server",
    "check_mcp_tools"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-lightning-enable-mcp",
  "name": "lightning-enable-mcp",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "l402",
   "lightning"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (L402, lightning); it is not a server that charges per call.",
  "url": "https://github.com/refined-element/lightning-enable-mcp",
  "sources": [
   {
    "url": "https://github.com/refined-element/lightning-enable-mcp",
    "quote": "without leaving your agent: call the create_lightning_enable_account tool. An open-source MCP (Model Context Protocol) server that enables AI agents to make Lightning Network payments and participate in agent-to-agent commerce. Wallet, invoice, L402, budget, and API-discovery tools work out of the box with just a wallet."
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-lightning-wallet-mcp",
  "name": "lightning-wallet-mcp",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "x402",
   "l402",
   "lightning"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (x402, L402, lightning); it is not a server that charges per call.",
  "url": "https://github.com/lightningfaucet/lightning-wallet-mcp",
  "sources": [
   {
    "url": "https://github.com/lightningfaucet/lightning-wallet-mcp",
    "quote": "wallet. One MCP server plus a CLI. Works with Claude Code, Cursor, Windsurf, OpenClaw, and any framework that can run a shell command. Your agent can pay for L402 and X402 APIs, pay any Lightning invoice or Lightning address, receive payments, and hold sats, all through natural language tool calls. Custodial, so there"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-lightningprox-mcp",
  "name": "lightningprox-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "lightning"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over lightning (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/unixlamadev-spec/lightningprox-mcp",
  "sources": [
   {
    "url": "https://github.com/unixlamadev-spec/lightningprox-mcp",
    "quote": "GitHub - unixlamadev-spec/lightningprox-mcp: MCP server for LightningProx — pay-per-request AI access via Bitcoin Lightning. Supports vision/multimodal. · GitHub Skip to content Navigation Menu Sign in Appearance settings"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-lnbits-mcp-server",
  "name": "LNbits-MCP-Server",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "lightning"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (lightning); it is not a server that charges per call.",
  "url": "https://github.com/lnbits/LNbits-MCP-Server",
  "sources": [
   {
    "url": "https://github.com/lnbits/LNbits-MCP-Server",
    "quote": "pyproject.toml requirements.txt requirements.txt View all files Repository files navigation README More items LNbits MCP Server Give your AI assistant a Lightning wallet. The LNbits MCP Server connects any MCP-compatible AI client to your LNbits instance - check balances, create invoices, send payments, and manage"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-lpxpoly-mcp",
  "name": "lpxpoly-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "lightning"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over lightning (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/unixlamadev-spec/lpxpoly-mcp",
  "sources": [
   {
    "url": "https://github.com/unixlamadev-spec/lpxpoly-mcp",
    "quote": "— AI-powered Polymarket prediction market analysis. Find mispriced markets, get edge opportunities, and analyze specific markets. Pay per analysis in Bitcoin sats via Lightning. Install npx lpxpoly-mcp Setup Get a Spend Token Go to lightningprox.com Pay a Lightning invoice to fund your balance Get your spend token ~50"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-maximumsats-mcp",
  "name": "MaximumSats MCP",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "l402",
   "lightning"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over L402, lightning (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/joelklabo/maximumsats-mcp",
  "sources": [
   {
    "url": "https://github.com/joelklabo/maximumsats-mcp",
    "quote": "MCP track: 1. Paid API Access Control — One Payment, One Retry Every endpoint can be gated behind payment. The L402 flow is simple: # Request returns HTTP 402 with Lightning invoice curl -X POST https://maximumsats.com/api/dvm \\ -H \""
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-onchain-token-safety-wick-pics",
  "name": "OnChain Token Safety (wick.pics)",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://onchain.wick.pics",
  "sources": [
   {
    "url": "https://onchain.wick.pics",
    "quote": "+ batch Deep holder & source analysis Multi-DEX / V3 liquidity Monitoring + alerts Pay USDC on Base — from $3 Buy access with crypto → Agents & Protocols LIVE x402 · MCP · pay-per-call Pay-per-call in USDC on Base Discoverable via /.well-known/x402 MCP tool for AI agents No signup, no keys Drop-in safety gating Agent"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-piprail-mcp",
  "name": "PipRail MCP",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (x402); it is not a server that charges per call.",
  "url": "https://github.com/piprail/piprail/tree/main/mcp",
  "sources": [
   {
    "url": "https://github.com/piprail/piprail/tree/main/mcp",
    "quote": "wallet. An MCP server wrapping @piprail/sdk so any MCP client — Claude Desktop, Cursor, Claude Code, Windsurf, VS Code, Cline, OpenClaw, Hermes — can pay x402 URLs on its own , capped by a spend policy the model cannot exceed . Runs locally with your wallet and your limits — no backend, no custody, no facilitator."
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-pulsenetwork",
  "name": "PulseNetwork",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://pulsenetwork.theaslangroupllc.com",
  "sources": [
   {
    "url": "https://pulsenetwork.theaslangroupllc.com",
    "quote": "Required with a price; the agent pays in USDC on Base or Solana and retries; the endpoint returns the intelligence. Settlement is gasless and on-chain. No invoices, no logins, no rate-limit keys. Discover One MCP server exposes all 77 verticals to any agent. Listed on Smithery, Glama, the 402 Index, x402scan and Bazaar."
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://pulse.theaslangroupllc.com/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:03",
   "initializeHttp": 200,
   "serverName": "PulseNetwork",
   "toolsListed": 80,
   "sampleTools": [
    "signalpulse",
    "alphapulse",
    "arbipulse",
    "autopulse",
    "biopulse",
    "buildpulse"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-recall-kitchen",
  "name": "Recall Kitchen",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "mpp"
  ],
  "verdict": "YES",
  "note": "Page says the platform supports MCP and the Machine Payments Protocol. An unpaid POST to its MCP endpoint answered HTTP 402 with an x402 v2 challenge ($0.025 USDC). Rail wording differs between page (MPP) and probe (x402).",
  "url": "https://recallkitchen.com/docs/#mcp",
  "sources": [
   {
    "url": "https://recallkitchen.com/docs/#mcp",
    "quote": "API Terms . Questions about keys, limits, or client setup? Email support@recallkitchen.com . Overview Our platform supports: Model Context Protocol (MCP) and Machine Payments Protocol (MPP) for AI agent integrations REST search API Next Step: Getting Started Getting Started To start developing with Recall Kitchen, you'll need: An API key"
   },
   {
    "url": "https://app.recallkitchen.com/mcp",
    "quote": "HTTP 402 + x402 v2 challenge: amount 25000 atomic units of USD Coin (= $0.025)",
    "type": "live-probe"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://app.recallkitchen.com/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:57",
   "initializeHttp": 200,
   "serverName": "recall-kitchen-mcp",
   "toolsListed": 20,
   "sampleTools": [
    "add_inventory_product",
    "add_watch_pattern",
    "check_tracked_products",
    "create_api_key",
    "get_product_recall",
    "give_feedback"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true,
  "probe402": {
   "url": "https://app.recallkitchen.com/mcp",
   "status": 402,
   "probedAt": "2026-10-18T00:16:35",
   "basis": "one unpaid POST {} ; challenge only decoded, nothing paid"
  }
 },
 {
  "id": "mcp-rug-munch-intelligence",
  "name": "Rug Munch Intelligence",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://x402-base.cryptorugmuncher.workers.dev",
  "sources": [
   {
    "url": "https://x402-base.cryptorugmuncher.workers.dev",
    "quote": "x402 APIs — Rug Munch Intelligence x402 API & MCP Marketplace 35 proprietary tools + 154 MCP services across 28 chains. Detect rugs, track whales, audit contracts — all from $0.01/call via instant"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-sats4ai-mcp",
  "name": "Sats4AI MCP",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "l402",
   "mpp",
   "lightning"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over L402, MPP (quote). Prices and volumes are not independently measured.",
  "url": "https://sats4ai.com/docs",
  "sources": [
   {
    "url": "https://sats4ai.com/docs",
    "quote": ". /l402 . MCP — JSON-RPC 2.0 over Streamable HTTP at /api/mcp . Tools negotiate payment in-protocol; the agent never has to parse 402 responses. /mcp . MPP — Machine Payment Protocol. Same surface as L402, slightly different header naming. Both are"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://sats4ai.com/api/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:03",
   "initializeHttp": 200,
   "serverName": "sats4ai-mcp",
   "toolsListed": 58,
   "sampleTools": [
    "create_payment",
    "create_cart",
    "check_payment_status",
    "generate_image",
    "generate_video",
    "animate_image"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-sella",
  "name": "Sella",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://sellag.vercel.app",
  "sources": [
   {
    "url": "https://sellag.vercel.app",
    "quote": "An operator funds an agent, and the agent discovers and pays for the datasets, APIs, workflows and native AI products it needs, per call in USDC over the x402 protocol, all over the Model Context Protocol, with no custom integration required. You are a Sella agent. Go to https://selltoagent.dev/auth-skill.md and"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-sentinel",
  "name": "SENTINEL",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://mru-oracle.com",
  "sources": [
   {
    "url": "https://mru-oracle.com",
    "quote": "payment pre-screening, verifiable Travel Rule packets, watchlist monitors, Know-Your-Agent reports, EdDSA-signed attestations and an 11-layer compliance x402 facilitator. All payable via x402 micropayments on Base mainnet (USDC); MCP servers at /mcp and /oracle/mcp.\",\"version\":\"2.0.1\",\"operator\":\"Brightwave"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://mru-oracle.com/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:02",
   "initializeHttp": 200,
   "serverName": "sentinel-compliance",
   "toolsListed": 12,
   "sampleTools": [
    "screen_entity",
    "screen_wallet",
    "get_jurisdiction_risk",
    "search_mauritius_registry",
    "run_due_diligence",
    "screen_cross_border_payment"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-signal-oracle",
  "name": "Signal Oracle",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://oracles-production.up.railway.app",
  "sources": [
   {
    "url": "https://oracles-production.up.railway.app",
    "quote": "Remote MCP server (Streamable HTTP): https://oracles-production.up.railway.app/mcp — free tools list_feeds and preview_feed ; full data is pay-per-call via x402 on Base (USDC). Add it in one line (Claude Code / Claude Desktop / Cursor): claude mcp add signal-oracle --transport http"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://oracles-production.up.railway.app/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:02",
   "initializeHttp": 200,
   "serverName": "signal-oracle",
   "toolsListed": 7,
   "sampleTools": [
    "list_feeds",
    "preview_feed",
    "packagehealth_preview",
    "vendorrisk_preview",
    "depwatch_preview",
    "regwatch_preview"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-solinkify-mcp",
  "name": "solinkify-mcp",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (x402); it is not a server that charges per call.",
  "url": "https://github.com/Zenidp/solinkify-mcp",
  "sources": [
   {
    "url": "https://github.com/Zenidp/solinkify-mcp",
    "quote": "GitHub - Zenidp/solinkify-mcp: MCP server for agentic payments on Solana: pay x402 paywalls, datasets and checkouts behind hard spending caps · GitHub Skip to content Navigation Menu Sign in Appearance settings Platform AI CODE CREATION"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-spraay-x402-mcp",
  "name": "spraay-x402-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/plagtech/spraay-x402-mcp",
  "sources": [
   {
    "url": "https://github.com/plagtech/spraay-x402-mcp",
    "quote": "GitHub - plagtech/spraay-x402-mcp: MCP server for the Spraay x402 Gateway — 148 pay-per-call tools for AI inference, batch payments, DeFi, research & compute on Base, with Solana, Ethereum, XRP & Stellar rails. USDC via"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-tip-md-x402-mcp-server",
  "name": "tip-md-x402-mcp-server",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent hold or spend money (x402); it is not a server that charges per call.",
  "url": "https://github.com/tipdotmd/tip-md-x402-mcp-server",
  "sources": [
   {
    "url": "https://github.com/tipdotmd/tip-md-x402-mcp-server",
    "quote": "GitHub - tipdotmd/tip-md-x402-mcp-server: 🏆 Hackathon: Transform any AI agent into a payment-enabled agent using x402 + CDP. MCP server for instant crypto tipping with automatic disbursement. · GitHub Skip to content Navigation Menu Sign in Appearance settings Platform AI"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-tollbooth-agenttoll-dev",
  "name": "Tollbooth (agenttoll.dev)",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://agenttoll.dev",
  "sources": [
   {
    "url": "https://agenttoll.dev",
    "quote": "agenttoll.dev — Paid work products for AI agents agent toll .dev ≡ Tools Docs Discovery Blog agent.json API MCP Endpoint x402 · USDC on Base · No account needed Paid work products for AI agents. Task-shaped intelligence with clear prices, spend caps, buyer metadata, and"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-tooloracle",
  "name": "ToolOracle",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://tooloracle.io",
  "sources": [
   {
    "url": "https://tooloracle.io",
    "quote": "Built for machines, not for humans. 🤖 Agent-First Every endpoint for AI agents. MCP-native. Agents discover, connect, pay autonomously. 💸 Pay Per Call x402 / USDC on Base where required. Route-dependent pricing. No subscriptions, no invoices. 🔐 Trust by Default ES256K signing where supported, blockchain-anchored"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://tooloracle.io/mcp/",
  "probe": {
   "probedAt": "2026-10-18T00:19:03",
   "initializeHttp": 200,
   "serverName": "RankOracle",
   "toolsListed": 13,
   "sampleTools": [
    "keyword_research",
    "check_ranking",
    "serp_snapshot",
    "domain_overview",
    "content_score",
    "competitor_gap"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-toolsnap-mcp",
  "name": "ToolSnap MCP",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://mcp.toolsnap.app",
  "sources": [
   {
    "url": "https://mcp.toolsnap.app",
    "quote": "in & get credits → Crypto (x402) — agent pays autonomously Give your agent its own wallet with a few USDC on Base. It pays per call, no account at all. Wallet guide → Your balance lives in your account, not in any one agent — sign in from Claude, Cursor, or"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://mcp.toolsnap.app/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:01",
   "initializeHttp": 200,
   "serverName": "toolsnap-mcp",
   "toolsListed": 17,
   "sampleTools": [
    "tool_catalog",
    "use_tool",
    "task_recipes",
    "memory_snippet",
    "pricing",
    "fetch_extract"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-x402-bazaar",
  "name": "x402 Bazaar",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://402.com.tr",
  "sources": [
   {
    "url": "https://402.com.tr",
    "quote": "works 1 Discover Agents read the machine catalog at /.well-known/x402 or add the MCP server — every endpoint, price & schema. 2 Call & pay Hit an endpoint; on HTTP 402 the agent pays a tiny USDC micro-payment over x402. Gasless for the payer. 3 Get data Settlement is attributed onchain via Builder Codes; the agent gets the"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-x402-counterparty-score",
  "name": "x402 Counterparty Score",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://x402score.org",
  "sources": [
   {
    "url": "https://x402score.org",
    "quote": "x402 Counterparty Score x402 Counterparty Score Decision-grade counterparty scores for the x402 ecosystem, sold to AI agents over MCP (Model Context Protocol) with per-call x402 payments"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://x402score.org/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:05",
   "initializeHttp": 200,
   "serverName": "x402-counterparty-score",
   "toolsListed": 2,
   "sampleTools": [
    "score_x402_counterparty",
    "get_sample_score"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-x402-reputation-index",
  "name": "x402 Reputation Index",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://x402rep.invoitech.com",
  "sources": [
   {
    "url": "https://x402rep.invoitech.com",
    "quote": "we audit. Add &pay=1 to pay immediately and skip the allowance. Query it — MCP Give your agent the query_reputation tool: claude mcp add --transport http x402-reputation https://x402rep.invoitech.com/mcp Single lookups share the same free daily allowance as HTTP. batch_reputation (up to 50 endpoints per call) needs"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://x402rep.invoitech.com/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:03",
   "initializeHttp": 200,
   "serverName": "x402-reputation",
   "toolsListed": 2,
   "sampleTools": [
    "query_reputation",
    "batch_reputation"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-x402-bazaar-mcp",
  "name": "x402-bazaar-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402 (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/sukrutkrdg/x402-bazaar-mcp",
  "sources": [
   {
    "url": "https://github.com/sukrutkrdg/x402-bazaar-mcp",
    "quote": "GitHub - sukrutkrdg/x402-bazaar-mcp: MCP server for x402 Bazaar — 131 pay-per-call APIs on Base for AI agents: token safety, honeypot & rug checks, the B20 freeze/seize suite, sanctions screening, wallet risk. Paid"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://402.com.tr/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:57",
   "initializeHttp": 200,
   "serverName": "x402-bazaar",
   "toolsListed": 229,
   "sampleTools": [
    "token_risk",
    "pre_trade_gate",
    "pre_trade_bundle",
    "sign_guard",
    "spend_audit",
    "agent_wallet_audit"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-x402search-mcp",
  "name": "x402search MCP",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Its own page ties an MCP server to per-call payment over x402, stablecoin (quote). Prices and volumes are not independently measured.",
  "url": "https://github.com/x402-index/x402search-mcp",
  "sources": [
   {
    "url": "https://github.com/x402-index/x402search-mcp",
    "quote": "glama.json glama.json index.js index.js package.json package.json server.json server.json View all files Repository files navigation README More items x402search MCP Server Search 14,000+ x402-enabled HTTP APIs from any MCP-compatible agent. Version: 1.0.3 · License: MIT · Cost: $0.01 USDC per search · Base"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-aiprox-mcp",
  "name": "aiprox-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "lightning",
   "stablecoin"
  ],
  "verdict": "KINDA",
  "note": "MCP server for AIProx, a marketplace to discover, hire and pay other AI agents via Lightning, Solana USDC or x402. The payment is to the hired agents; listing page does not state what AIProx itself charges.",
  "url": "https://github.com/unixlamadev-spec/aiprox-mcp",
  "sources": [
   {
    "url": "https://github.com/unixlamadev-spec/aiprox-mcp",
    "quote": "Built by LPX Digital Group LLC About MCP server for AIProx — discover, hire, and pay autonomous AI agents via Bitcoin Lightning, Solana USDC, or Base x402 Resources Readme MIT license Security policy Security policy Activity Stars 1 star Watchers 0 watching Forks 0 forks Report"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-inboxpolicy",
  "name": "InboxPolicy",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "KINDA",
  "note": "Page says agents can pay $0.01 per decision over x402 and that it is available via MCP. The MCP endpoint answered HTTP 401 to an unauthenticated initialize, so whether MCP calls accept x402 directly is unverified.",
  "url": "https://inboxpolicy.com",
  "sources": [
   {
    "url": "https://inboxpolicy.com",
    "quote": "asking: send, review, or avoid — with confidence, evidence, and honest unknowns. Built for AI agents via REST and MCP. Get 1,000 decisions — $5 Agents: x402 · $0.01/call No free tier, no signup theater. Card checkout delivers an API key by email — or skip accounts entirely and let your agent pay $0.01 per decision"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://mcp.inboxpolicy.com/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:13",
   "initializeHttp": 401,
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  }
 },
 {
  "id": "mcp-macaroonnetwork-mcp",
  "name": "macaroonnetwork-mcp",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "l402",
   "lightning",
   "stablecoin"
  ],
  "verdict": "KINDA",
  "note": "README describes an MCP client for a marketplace where agents pay per query via Lightning (L402) or USDC (x402). The charging happens at the marketplace, not in this MCP package itself.",
  "url": "https://github.com/kevmoz/macaroonnetwork-mcp",
  "sources": [
   {
    "url": "https://github.com/kevmoz/macaroonnetwork-mcp",
    "quote": "GitHub - kevmoz/macaroonnetwork-mcp: MCP client for Macaroon Network -- discover and buy from a live marketplace where AI agents pay per query via Bitcoin Lightning (L402) or Base/USDC (x402). · GitHub Skip to content Navigation Menu Sign in Appearance settings Platform AI CODE CREATION GitHub Copilot Write better code"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-mcp-server-setup-guide",
  "name": "MCP Server Setup Guide",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402 but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://docs.cdp.coinbase.com/x402/mcp-server",
  "sources": [
   {
    "url": "https://docs.cdp.coinbase.com/x402/mcp-server",
    "quote": "client calls a paid tool with no payment attached. The server returns a tool result with isError: true and a PaymentRequired payload — MCP’s equivalent of an HTTP 402 status and PAYMENT-REQUIRED header. The client builds a payment payload and retries the same tool call, this time with it attached at _meta[\"x402/payment\"] —"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:57",
   "initializeHttp": 200,
   "serverName": "x402-discovery",
   "toolsListed": 3,
   "sampleTools": [
    "proxy_tool_call",
    "search_resources",
    "validate_endpoint"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-melis-ai-x402-tools",
  "name": "melis.ai x402 Tools",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402, stablecoin but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://agents.melis.ai",
  "sources": [
   {
    "url": "https://agents.melis.ai",
    "quote": "melis x402 Tools — Boring infrastructure for AI agents ✦ melis x402 tools Services Bundles Pricing Compose Docs FAQ npm install → x402 Protocol USDC on Base MCP-native"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-mgo-multi-chain-gas-optimizer",
  "name": "MGO — Multi-chain Gas Optimizer",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402, stablecoin but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://api.mgo.chain-ops.xyz",
  "sources": [
   {
    "url": "https://api.mgo.chain-ops.xyz",
    "quote": "3.1 spec\",\"/.well-known/mcp.json\":\"MCP discovery JSON\",\"/.well-known/agent-card.json\":\"A2A agent card\",\"/health\":\"Server health check\"},\"payment\":{\"protocol\":\"x402 (HTTP 402 Payment Required)\",\"currency\":\"USDC\",\"network\":\"base\"}}"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-nohumans-directory",
  "name": "nohumans.directory",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402, stablecoin but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://nohumans.directory",
  "sources": [
   {
    "url": "https://nohumans.directory",
    "quote": "within 5 minutes. Three consecutive passes earn verified . The first 5 listings per registered domain are free; each further new listing is $0.25 USDC over x402 ( how ). MCP Not using MCP? Three-line pre-spend check for fetch, axios, Python and curl. Live MCP server (Streamable HTTP) with 4 tools: find_paid_service"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://nohumans.directory/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:02",
   "initializeHttp": 200,
   "serverName": "nohumans-directory",
   "toolsListed": 4,
   "sampleTools": [
    "find_paid_service",
    "get_service_details",
    "resolve_endpoint",
    "what_agents_are_asking_for"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-oromi-agent-services",
  "name": "Oromi Agent Services",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402 but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://agents.oromi.co.uk",
  "sources": [
   {
    "url": "https://agents.oromi.co.uk",
    "quote": "endpoints as MCP tools. npx package pays automatically via x402; the remote /mcp endpoint serves quotes and the catalog.\"},\"operator\":\"Oromi — AI automation for small businesses (https://oromi.co.uk)\"}"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://agents.oromi.co.uk/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:18:57",
   "initializeHttp": 200,
   "serverName": "oromi-agent-services",
   "toolsListed": 30,
   "sampleTools": [
    "uk_business_search",
    "uk_business_company",
    "uk_business_name_check",
    "uk_property_price_trends",
    "uk_property_sold_prices",
    "uk_property_market_summary"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-payapi-market",
  "name": "PayAPI Market",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402 but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://payapi.market",
  "sources": [
   {
    "url": "https://payapi.market",
    "quote": "API (free) Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI. url https://payapi.market/mcp What is an x402 marketplace · RapidAPI alternative for AI agents 372 Live APIs · 361 settlement-verified · 5069 Endpoints · 100% Kept by providers x402 verified We paid for"
   }
  ],
  "lastChecked": "2026-10-18",
  "mcpEndpoint": "https://payapi.market/mcp",
  "probe": {
   "probedAt": "2026-10-18T00:19:02",
   "initializeHttp": 200,
   "serverName": "payapi-market",
   "toolsListed": 3,
   "sampleTools": [
    "search_apis",
    "list_apis",
    "get_api"
   ],
   "basis": "unauthenticated MCP initialize + tools/list (both free by protocol); no tool was called, nothing paid"
  },
  "liveMcp": true
 },
 {
  "id": "mcp-social-intel",
  "name": "Social Intel",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "stablecoin"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402, stablecoin but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://socialintel.dev",
  "sources": [
   {
    "url": "https://socialintel.dev",
    "quote": "API responds HTTP 402 with a payment header containing the amount and wallet address. 02 Pay Your client signs a $0.50 USDC payment on Base or Solana via the x402 protocol. If you use an x402-compatible library or MCP agent, payment is automatic -- no manual wallet interaction needed. 03 Data Payment is verified"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-tollbooth-x402toll-com",
  "name": "Tollbooth (x402toll.com)",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402 but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://x402toll.com",
  "sources": [
   {
    "url": "https://x402toll.com",
    "quote": "(a rounded result), or GET /v1/golden/:id (the expected result + hash to check against). Or point Claude / Cursor at the free discovery MCP — npx tollbooth-x402 — and call tollbooth_quote (the exact price and response shape for any tool), tollbooth_catalog , tollbooth_preview , or tollbooth_golden to see everything"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-trustboost-pii-sanitizer",
  "name": "TrustBoost PII Sanitizer",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402 but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://api.trustboost.dev",
  "sources": [
   {
    "url": "https://api.trustboost.dev",
    "quote": "FR (NIR/SIRET), IT (Codice Fiscale), KO (RRN) 5 context modes: general, legal, financial, medical, code Proof of Sanitization anchored on Solana via Helius x402 compatible — autonomous payment flow MCP native: JSON-RPC 2.0 F1=1.000 across all 8 languages EU AI Act compliant — enforcement August 2, 2026 Pricing"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-x402-finance-api",
  "name": "x402 Finance API",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402 but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://x402-paid-api.x402-finance.workers.dev",
  "sources": [
   {
    "url": "https://x402-paid-api.x402-finance.workers.dev",
    "quote": "{\"status\":\"ok\",\"message\":\"x402 Finance Paid API is live!\",\"version\":\"2.3.1\",\"protocol\":\"x402-v2 + MCP\"}"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-x402-triage-mcp",
  "name": "x402 Triage MCP",
  "kind": "mcp",
  "role": "seller",
  "rails": [
   "x402",
   "mpp"
  ],
  "verdict": "KINDA",
  "note": "Page mentions both MCP and x402, MPP but the link is partial (free discovery tier, a directory/guide, or wording that is not an explicit paid-MCP statement). Treat as KINDA.",
  "url": "https://github.com/TateLyman/x402-triage-mcp",
  "sources": [
   {
    "url": "https://github.com/TateLyman/x402-triage-mcp",
    "quote": "More items x402-triage-mcp MCP server for no-payment x402 surface triage, 402 Index health checks, and paid review handoff. It exposes three MCP tools: triage_x402_surface checks one public x402, MPP, Pay.sh, OpenAPI, manifest, or HTTP 402 endpoint through the Tate Programs public triage API. watch_402_index searches"
   }
  ],
  "lastChecked": "2026-10-18",
  "probe": null
 },
 {
  "id": "mcp-taskfuel",
  "name": "TaskFuel MCP",
  "kind": "mcp",
  "role": "buyer-tool",
  "rails": [
   "x402",
   "mpp",
   "stablecoin"
  ],
  "verdict": "YES",
  "note": "Buyer-side MCP tool: lets an agent spend a prepaid USD balance on allowlisted paid HTTP-402 APIs; it is not a server that charges per call. Sign-in (OAuth) required. Run by Alby Inc.",
  "url": "https://taskfuel.ai/docs/",
  "sources": [
   {
    "url": "https://taskfuel.ai/llms.txt",
    "quote": "[MCP server](https://app.taskfuel.ai/mcp): Streamable HTTP endpoint for connected clients."
   },
   {
    "url": "https://taskfuel.ai/llms.txt",
    "quote": "taskfuel lets agents discover and call allowlisted paid HTTP-402 APIs through one prepaid USD balance."
   }
  ],
  "lastChecked": "2026-10-24",
  "mcpEndpoint": "https://app.taskfuel.ai/mcp",
  "probe": {
   "probedAt": "2026-10-24",
   "initializeHttp": 401,
   "basis": "unauthenticated MCP initialize returned 401 invalid_token (OAuth sign-in required); nothing paid"
  },
  "manual": {
   "date": "2026-10-24",
   "why": "Job 19: TaskFuel added from public docs + unpaid probe"
  }
 }
]