Verified directory
MCP Server Directory
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61,730 matching servers
Down
x402 Agent Tools
com.onrender.x402-markdown/agent-tools
Pay-per-call web reader (Markdown/RAG chunks) and agent utilities; x402 USDC on Base.
235 ms latency0% 24h
Operational
x402 Agent Utilities
dev.workers.w0arvg81zlgf.x402-exp/agent-utilities
Pay-per-call x402 tools (USDC on Base): token facts, web-to-Markdown, x402 precheck.
132 ms latency— 24h
Operational
x402 Bazaar Listing Monitor
com.acjlabs/x402-listing-monitor
Checks x402 Bazaar resource listings against the public discovery catalog and flags drops.
207 ms latency— 24h
Operational
x402 Bazaar Rank
io.github.mike-lblc/x402-bazaar-rank
Ranked search over 15k+ live x402 services by real 30-day usage; free top-5, paid depth via x402.
793 ms latency— 24h
Operational
x402 Cartographer
uk.co.marknetic.finder/cartographer
Ranks x402 endpoints and Apify actors; real yield of Base LP pools. Pay per call via x402.
1207 ms latency— 24h
Operational
x402 Checker (AI Nock)
io.github.nock-for-mak/x402-checker
Free check/board/name; paid bid/report 0.05, 1c fx/wx/lookups, news 0.001.
259 ms latency— 24h
Down
x402 Compatibility Intelligence
us.inversolabs/x402-compatibility-intelligence
Preflight x402 payment compatibility with structured risk evidence and remediation guidance.
208 ms latency— 24h
Operational
x402 Counterparty Score
org.x402score/counterparty-score
Trust scores for x402 sellers: wash-trading, real buyers, verdict. $0.02/score via x402 on Base.
1123 ms latency— 24h
Operational
x402 Doctor
com.twelvepermissions/x402-doctor
Diagnose x402 seller endpoints: what is wrong with your 402 challenge, and how to fix it.
134 ms latency— 24h
Operational
x402 Doctor
io.github.Fizzl13/x402-doctor
Is this x402/MPP API safe to pay? $0.001 preflight, fixes, a $0.25 test purchase. Free quick check.
370 ms latency— 24h
Down
x402 Domain Lookup & DNS Email Auth
dev.workers.microtools-x402.x402-dns-auth-checker/dns-auth-checker
Domain lookup (DNS records + RDAP registrar/age/expiry), bulk, and SPF/DKIM/DMARC audit via x402.
829 ms latency— 24h
Operational
x402 economy tools
dev.workers.clankerceo.multichain-rpc/x402-tools
Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.
129 ms latency— 24h
Down
x402 Email Verifier
dev.workers.microtools-x402.x402-email-verifier/email-verifier
Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.
554 ms latency— 24h
Operational
x402 Endpoint Check (Tanod)
dev.tanod/x402-check
Check an x402 endpoint before you pay it, then test a payment and follow it to settlement.
1357 ms latency— 24h
Operational
x402 endpoint checker
dev.workers.soloearn.x402-seller-kit/x402-checker
Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.
102 ms latency— 24h
Operational
x402 Format Checker
com.crewofthecaptain/format-checker
IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base
215 ms latency— 24h
Operational
X402 Git
com.x402git/git-x402
Buy private git repos and agent skills with USDC over x402. Read the manifest free, then pay.
907 ms latency— 24h
Operational
X402 Helper MCP
xyz.x402helper/mcp
API discovery and x402 paid execution via MCP. Search by natural-language, call with USDC payment
1154 ms latency— 24h
Operational
x402 Markdown Reader
dev.workers.xbtbot.x402-reader/markdown-reader
Turn any public web page into clean Markdown. Pay-per-call via x402: 0.005 USDC on Base.
144 ms latency— 24h
Operational
x402 Market Intelligence + Russian Web Access
com.ruscrape/russia-access
Check x402 endpoints before paying: liveness, price history, farm detection. Plus RU web access.
860 ms latency— 24h
Down
x402 MCP Starter
io.github.kadopi/x402-mcp-starter
Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.
64 ms latency— 24h
Operational
x402 Merchant Check
com.gradientdecisions/merchant-check
Pre-payment merchant trust checks for x402 agents on Base and Solana.
352 ms latency— 24h
Operational
x402 Micropayments MCP
io.github.kwizzlesurp10-ctrl/x402-mcp
Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402.
675 ms latency— 24h
Operational
x402 Oracle
io.github.kwizzlesurp10-ctrl/x402orcle
Paid x402 help: debug 402 errors, review MCP manifests, rewrite Bazaar listings. USDC on Base.
398 ms latency— 24h