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x402付费MCP服务精选列表

面向AI代理的托管MCP服务精选目录，所有服务均通过x402协议按调用付费，无需账户或API密钥，涵盖搜索、网页访问、商业数据、内容、营销、监控、官方记录、数据工具、邮件和验证等领域。

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在 GitHub 查看 Recall-Kitchen/awesome-x402-mcp-services

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awesome-x402-mcp-services

Curated list of hosted MCP services that charge per call with x402 — no account, no API key. Same shape as Recall Kitchen: a real product you can point an MCP client at and pay USDC when a tool needs it.

This is not a directory of crypto trading bots, token screens, payment routers, or 50-tool utility packs.

Table of Contents

Helpful Links

Services

Search

  • Recall Kitchen — product, food, and vehicle recall search. Hosted MCP, x402 USDC on Base, no account. MCP

News

  • askzephy news feed — Google News coverage per topic query (brand, competitor, person, exact phrase): normalized rows with title, article URL, publisher, publish time, snippet; 10 locales. Hosted MCP at https://audit.askzephy.com/mcp (streamable HTTP, no key). Unpaid google_news_feed calls return HTTP 402 (USDC on Base, $0.01); sign the payment and retry in the call _meta.
  • Briefing Service — hourly LLM-ranked news briefings (AI, frontier labs, markets, US and world news, sports) from ~100 feeds: lead, why-it-matters, key points and duplicates merged, as JSON or rendered e-ink pages. Hosted MCP at https://briefing-service.wholemind.workers.dev/mcp (streamable HTTP, no key); initialize and tools/list are free, tools/call returns the x402 challenge (USDC on Base, $0.005 per call) after a small free daily quota.

Web access

  • agbrowser — hosted browser sessions for agents: navigate, interact, read pages and take screenshots. Hosted MCP at https://agbrowser.shveik.dev/mcp (streamable HTTP). Unpaid create/extend calls return a payment challenge (stablecoins on Base, x402 or MPP); sign and retry in _meta. Other browser tools use the purchased session credentials. Operator.
  • agdata — web data for agents: any URL as clean Markdown, screenshots, web search, Google Maps and Amazon reviews, job listings, news, social posts and comments, YouTube transcripts. Hosted MCP at https://agdata.shveik.dev/mcp (streamable HTTP, no key). Unpaid tool calls return an x402 payment error (stablecoins on Base, Polygon or Solana, MPP on Base); sign the payment and retry in the call _meta. A scrape that fails is not charged.
  • Agent Kiosk — web page extraction to clean Markdown, social and academic search (HackerNews, Reddit, ArXiv, Wikipedia), domain/WHOIS and GitHub repository intelligence, and npm/PyPI package security audits. Hosted MCP at https://agent-kiosk.vercel.app/mcp (streamable HTTP, no key); unpaid tool calls return an x402 payment challenge (USDC on Base, $0.001–$0.10).
  • agproxy — residential proxy traffic and a raw fetch for agents, with country targeting and sticky sessions. Hosted MCP at https://agproxy.shveik.dev/mcp (streamable HTTP, no key). Unpaid tool calls return an x402 payment error (stablecoins on Base or Polygon, MPP on Base); sign the payment and retry in the call _meta.
  • APEX Web — web pages for agents from a real headless Chrome: one page rendered with JavaScript run ($0.009), up to 25 pages of a site in one call with robots.txt obeyed ($0.14), or up to 10 plain pages as clean text ($0.003). Hosted MCP at https://apexfaucet.xyz/api/mcp/web. Unpaid calls return the x402 terms (USDC on Arc, Base or Solana, or XNT on X1).
  • CyberWareX Agent Web-Access — live web pages for agents: JS-rendered fetch to markdown/text/html, CSS-selector extract, screenshot, PDF. Hosted MCP at https://web.cyberwarex.com/mcp (streamable HTTP, no key). Unpaid tool calls return the x402 invoice (USDC on Base, $0.002-0.005); pay and retry with x_payment.
  • page-read + agent-audit — read one public web page as clean Markdown ($0.001), check whether a quote is really on a cited page ($0.005), check up to 25 links ($0.01), or audit an x402 seller's 402 challenges and discovery files ($0.02). Read-only; JavaScript is not executed; failed fetches and invalid input are not charged. Hosted MCP at https://mcp.agent-audit.workers.dev/mcp (streamable HTTP, no key); initialize, tools/list, list_services and two rate-limited previews are free. Unpaid paid-tool calls return an MCP payment error with x402 accepts (USDC on Base); sign the payment and retry in the call _meta.
  • PageWire — web pages for agents without a browser: one public URL to clean Markdown with title, description and links ($0.01), page metadata — OpenGraph, Twitter card, JSON-LD, canonical, language, icons ($0.005), or a page plus up to 4 same-host linked pages, optionally under a path prefix ($0.03). Hosted MCP at https://pagewire.dev/mcp (streamable HTTP, no key). Unpaid tool calls return an MCP payment error with x402 accepts (USDC on Base or Solana); sign and retry in the call _meta. Pages that fail to load are not charged.
  • Panthera Threat-Intel & Web Access — clean URL-to-Markdown extraction with JSON-LD/OpenGraph ($0.01), live web & HackerNews search ($0.002), domain DNS/RDAP/SSL recon ($0.02), MX & disposable email verification ($0.005), phishing URL & IDN homograph check ($0.01), and honeypot attacker IP telemetry ($0.01). Hosted MCP at https://rklhfyeyw0.execute-api.ap-south-1.amazonaws.com/mcp (streamable HTTP, no key); initialize and tools/list are free, unpaid tools/call returns an x402 v2 payment challenge (USDC on Solana Mainnet).
  • Tanod Web — web access for agents: page to Markdown or text with optional JavaScript rendering ($0.005), screenshot ($0.005), web search ($0.012), page metadata, links, sitemap, robots.txt and security headers, URL to PDF, PDF text extraction, domain/RDAP, email and phishing-URL checks. Hosted MCP at https://tanod.dev/mcp/web (streamable HTTP, no key, 17 tools); small free daily allowance per IP, then x402 USDC on Base.
  • Vend — paid web tools for agents: page-to-clean-text web extraction, web search, link checker, domain info, geoip, nano-info, YouTube transcripts. Hosted MCP at https://extract.paypercall.dev/mcp (streamable HTTP, no key). Unpaid tool calls return HTTP 402 settled in Nano (XNO) via x402 exact — instant, feeless, self-facilitated PAYMENT-SIGNATURE, no USDC/Base.
  • WebExtract — web pages for agents: any public URL to clean Markdown ($0.002) or Markdown plus fixed-schema JSON for article metadata, product/price and tables ($0.005); JS-heavy pages via REST render endpoints ($0.004 / $0.008). Hosted MCP at https://api.webextract.dev/mcp (streamable HTTP, no key); initialize and tools/list are free, and after the free daily calls an unpaid tools/call returns an x402 v2 payment challenge (USDC on Base, Polygon, Arbitrum, Avalanche, Optimism, World Chain and Monad). Unpaid REST calls return HTTP 402 with the same options.

Business data

  • AgentPay — Insurance lead and business-document analysis: classify an inbound insurance lead, extract structured fields from the form or email, and return a claims/lead summary. Hosted MCP at https://agentpay.help/mcp (streamable HTTP, no key); unpaid tool calls return HTTP 402 (USDC on Base, $0.005-$0.10). JSON in, JSON out.
  • agosint — company and domain due diligence for agents: the legal entity from official registers, LEI, EU VAT, sanctions lists (OFAC, EU, UK) and domain checks, every answer signed. Hosted MCP at https://agosint.shveik.dev/mcp (streamable HTTP, no key); initialize and tools/list are free. Unpaid tool calls return an x402 payment error (stablecoins on Base, Polygon or Solana, MPP on Base); sign the payment and retry in the call _meta.
  • Landing en 24h — Argentina data — Argentine data for agents: dollar quotes (oficial, blue, MEP, CCL, cripto, tarjeta), INDEC inflation with an amount adjuster, national holidays and business-day math, and FX rates ($0.002); CUIT/CUIL and CBU/CVU check-digit validation and phone normalization to E.164 + WhatsApp link ($0.01); web page SEO/security audit ($0.02). Hosted MCP at https://landingen24h.com/mcp (streamable HTTP, no key); initialize, tools/list and a landing page generator are free. Unpaid tool calls return an MCP payment error with x402 accepts (USDC on Base, Polygon or Solana); sign the payment and retry in the call _meta. Invalid input and source failures are not charged.
  • Saymon RU Data API — Russian company registry (EGRUL) and KYB dossiers, official Russian series (Central Bank rates, MOEX quotes), and Runet search. Hosted MCP at https://payforapi.com/mcp. Unpaid tool calls return an x402 payment error (USDC on Base, $0.005-$0.05); sign the payment and retry in the call _meta.
  • Sirenic — French and European company registry: search, profiles, KYB, sanctions, filed financials. Hosted MCP at https://api.sirenic.eu/mcp. Unpaid calls return HTTP 402 (USDC/EURC on Base).
  • Vérif Entreprise FR — French company verification (KYB) by SIREN from official open data (Annuaire des Entreprises, BODACC, ADEME): legal status, insolvency-procedure state, RGE certifications and an explained verdict with documented signal codes. Hosted MCP at https://api-production-24833.up.railway.app/mcp (streamable HTTP, no key); tools verifier_entreprise ($0.01), rechercher_entreprise ($0.002), qualifications_rge ($0.01). Unpaid tool calls return an MCP payment error with x402 accepts (USDC on Base or Solana); failed lookups are never charged.

Content

  • Penny Press — essays on freedom, economics and philosophy: free for humans to read, pay-per-read for AI agents. Hosted MCP at https://www.pennypress.org/mcp (streamable HTTP, no key). Unpaid tool calls return HTTP 402 (USDC on Base, $0.01–$0.05 per essay); sign the payment and retry.

Marketing

  • CFP SEO Agent — SEO data for agents: keyword metrics, difficulty and ideas, Google and Bing SERP, ranked keywords, keyword gap, domain overview, competitors, search intent, Google Trends, local business and page audit, from $0.02 per call. Hosted MCP at https://agent.chiemgaufilms.com/mcp (streamable HTTP, no key); initialize and tools/list are free, one sample keyword per day is free, and unpaid tool calls return an x402 payment error (USDC on Base).
  • Social Intel — Instagram influencer search by niche, country, city, and follower count. Hosted MCP at https://socialintel.dev/mcp. Paid search_leads via x402; demo=true is free.

Monitoring

  • agentread — page reader and change detector: read a URL your own fetch failed on and get the text back ($0.02), or ask what changed on a page since the last check — the baseline is stored server-side, so it survives the agent's session ($0.01). Hosted MCP at https://agentread.midi-thumb.workers.dev/mcp (streamable HTTP, no key); initialize and tools/list are free, unpaid tools/call returns an x402 challenge (USDC on Base). Pages behind hard bot walls report blocked rather than returning fabricated content.
  • Longwatch — durable watches on public pages, RSS, and SEC EDGAR filings, with resumable cursors. Hosted MCP at https://longwatch.dev/mcp. Paid tools return HTTP 402 (USDC on Base); free demo at /demo.

Official records

  • Agent402 SEC Filings — SEC EDGAR over MCP: company lookup, filings, full-text search, Form 4 insider trades, 13F holdings and XBRL financials, plus grounded filing, insider and fund reports. Hosted MCP at https://agent402.tools/mcp/sec; every tool is paid per call in USDC and an unpaid call answers a payment challenge.
  • DrinkedIn — licensed drinking premises from government alcohol-licensing registers (name, locality, region, country, coordinates, venue type and source register), filtered by country and city. Hosted MCP at https://drinkedin.net/mcp (streamable HTTP, no key); unpaid drinkedin_query_licensed_bars calls that would return rows answer with an MCP payment error carrying x402 accepts (USDC on Base); sign the payment and retry in the call _meta. Empty results are free.
  • fitze x402 tools — official-record and due-diligence lookups for agents: SEC EDGAR full-text search, FDA recall reports, USGS earthquakes, domain dossier (RDAP + DNS + certificate transparency), and GitHub repo due diligence with contributors, archived flag and health score. Hosted MCP at https://fitze-x402-seller.app.workbuddy.host/mcp (streamable HTTP, no key); initialize and tools/list are free, an unpaid tools/call returns HTTP 402 settled in USDC on Base ($0.005-$0.25 per tool, one tool free).
  • Truth Bear (GAUGE) — official-series records (FRED, USGS, SEC EDGAR, NOAA, EPA, and similar) with a source URL and a recomputable record hash. Hosted MCP at https://api.truthbear.co/mcp. Coverage tools are free; paid records go through an x402 challenge.

Data utilities

  • naxytra — Deterministic pay-per-call data and developer utilities for agents: summarize, HTML→text, text chunking and entity extraction, JSON validation, DNS/zone lookup, plus EVM/x402 helpers (keccak256, EIP-55 address checks, ABI encode/decode, EIP-712 typed-data hashing, Merkle-proof verify, x402 challenge decode, and on-chain settlement-receipt verification). Hosted MCP at https://xytara-mcp-executor.onrender.com/mcp (streamable HTTP, no key); tools/list is free. Each paid tool is $0.01 USDC per call on Base via x402 v2 (catalog is free too); an unpaid tools/call returns a payment-required tool result carrying the signed-payment requirements. Pay and retry with the payment in the call _meta (or use /mcp/http402 for an HTTP 402); settlement happens only after the call succeeds. Discovery
  • Penniless Data Utilities — nine deterministic AI-agent data and lookup utilities (JSON repair, YAML→JSON, cron next-run, text diff/extract, HTML→text, RDAP WHOIS, DNS-over-HTTPS, GitHub repo stats, email validation). Hosted MCP at https://penniless-json-repair.sjaman.workers.dev/mcp (streamable HTTP, no key); tools/list is free. Each tool is $0.001 USDC per call on Base via x402 v2; an unpaid tools/call returns a 402 payment-required error whose data carries the signed-payment requirements. Pay and retry with the payment in the call _meta. Discovery

Email

  • agmail — receive-only email inboxes for agents, rented by the hour: pick an address, wait for a message, get the code or link extracted. Hosted MCP at https://agmail.shveik.dev/mcp (streamable HTTP, no key); initialize and tools/list are free. Unpaid create_inbox calls return an x402 payment error (stablecoins on Base, Polygon or Solana, MPP on Base); sign the payment and retry in the call _meta.
  • VerifyPulse — email deliverability tools for agents: daily SPF, DKIM, DMARC, MX and MTA-STS monitoring with webhook alerts (free for 3 domains), sending-domain audits, domain age and expiry (RDAP), TLS certificate checks and email-authentication analysis. Hosted MCP at https://verifypulse-seven.vercel.app/mcp (streamable HTTP, no key); single checks are free, lists of up to 20 cost $0.02 USDC on Base via x402, and the paid verify_email tool takes an API-key credit or an x402 payment in _meta["x402/payment"]. Discovery

Verification

  • BotsRated — checks an x402 seller or remote MCP server before an agent pays it: latest unpaid probe, listed vs quoted price and payTo, paid test-buys with Base tx links, each with a signed receipt. Hosted MCP at https://botsrated.com/mcp (streamable HTTP, no key); preflight, find, coverage and sample are free. Unpaid check, report and best tool calls return an x402 v2 PaymentRequired (USDC on Base): check $0.001, report $0.002, best $0.01; the same lookups are x402 HTTP routes at /v1/check (first 100 a day free), /v1/report and /v1/best. Discovery
  • crosscheck — independent checks an agent runs before acting: skillcheck reviews a skill or MCP server's files before install (free when already scanned), accept checks another agent's deliverable against its task before payment, check reviews a draft before its human sees it. Signed receipts. Hosted MCP at https://crosscheckapi.com/mcp (streamable HTTP, no key). Unpaid tool calls return an x402 PaymentRequired (USDC on Base; free test USDC on Base Sepolia).
  • Settled — checks an x402 endpoint before an agent pays it: whether the payTo in its quote matches what Settled's own probe sees, whether Settled's real USDC test purchase came back with content, the seller's on-chain settlement record and paying agents' reports, with a signed pay / caution / avoid answer. Hosted MCP at https://settled.tools/mcp (streamable HTTP, no key). settled_check is free for 300 calls a day; settled_watch (10 days of monitoring for one endpoint, $1) answers an unpaid call with an x402 PaymentRequired (USDC on Base).
  • Subcento — signed pre-flight verdict (SAFE/CAUTION/BLOCK) on the payment itself before the agent executes it; x402-metered on Base, fail-closed, MIT.

Developers

Contributing

To add a commercial service (no payment required for submission):

  1. Hosted MCP — a public streamable-HTTP MCP URL that answers initialize / tools/list without an API key.
  2. x402 — a paid tool or route returns HTTP 402 (or an MCP payment error with x402 accepts). No account required.
  3. A real product — one job an agent would hire you for (search, registry data, filings, monitoring, and so on). Deployed today, not a Cloudflare tunnel, localhost, Tailscale, or nip.io IP.
  4. Not a fit — crypto/trading/DeFi/token screens, generic 20–500 tool dumps, x402 routers/marketplaces/facilitators, games, or SDKs. Put SDKs and awesome-lists under Developers only if they are documentation, not a self-listing.

Open a pull request that adds one bullet under the matching Services section:

* [Service Name](https://link-to-service) — Brief description.

Keep sections alphabetized by service name. In the PR body, include the MCP URL and how an unpaid call produces 402. We will probe those before merging.

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