Verified directory
MCP Server Directory
Search Registry metadata and see exactly what our independent monitoring has verified.
61,730 matching servers
Operational
x402 Package Advisories
dev.workers.microtools-x402.x402-package-advisories/package-advisories
Package vuln advisories from OSV.dev: CVEs, severity, fixes, manifest audit. Pay per call via x402.
1385 ms latency— 24h
Operational
x402 Pay — USDC API Payment Helper
com.scriptmasterlabs/x402-pay
Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
233 ms latency— 24h
Operational
x402 Payment Request Parser
io.github.mk-career-planning/x402-safety-kit
x402 payment-request parser with a limited token list. Does not sign, approve or judge payments.
1311 ms latency— 24h
Operational
x402 Precheck
dev.workers.w0arvg81zlgf.x402-precheck/precheck
Check an x402 payment challenge before your agent pays: network, USDC, amount, payTo, facilitator.
366 ms latency— 24h
Operational
x402 Preflight
io.github.chico10117/x402-preflight
Check an x402 endpoint's payment challenge and discovery metadata before paying.
1755 ms latency— 24h
Operational
x402 Scraper API
io.github.LKennedyShare/x402-scraper-api
Paid web extraction: markdown, structured JSON, market-rules and page-change checks via x402.
214 ms latency100% 24h
Operational
x402 SEC EDGAR Lookup
dev.workers.microtools-x402.x402-sec-edgar/sec-edgar
SEC EDGAR company lookup, filings, XBRL financials and filing text. Pay per call in USDC via x402.
1096 ms latency— 24h
Down
x402 Text Tools Catalog
net.tunnelmole.heiekc-ip-209-115-177-214/x402-text-tools
Pay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.
211 ms latency— 24h
Down
x402 Text Tools Catalog
net.tunnelmole.imkl13-ip-209-115-177-214/x402-text-tools
Pay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.
222 ms latency— 24h
Operational
x402 Toolbox
io.github.mayer-code/x402-toolbox
Free, read-only MCP subset of x402 Toolbox's cheap data endpoints, free via MCP.
329 ms latency— 24h
Operational
x402 Toolbox
io.github.swiftbotlab/x402-toolbox
62 pay-per-call web, DNS, EVM and data tools. x402 USDC on Base, $0.003-$0.02 per call, no signup.
157 ms latency— 24h
Operational
x402 Tools
io.github.foxxx009/x402-tools-mcp
Pay-per-call research tools for AI agents, paid via x402 USDC. Remote MCP, one free tool.
2510 ms latency— 24h
Operational
x402 Web Extract
io.github.Senpi-Station/x402-web-extract
Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.
365 ms latency— 24h
Operational
x402 Web Tools
io.github.iparadise71/x402-web-tools
Pay-per-call tools for agents: web page to Markdown, tech stack, email domain check (x402 USDC)
446 ms latency— 24h
Down
x402 Web Tools
dev.workers.microtools-x402.x402-web-tools/web-tools
Web/PDF to Markdown, transcription, paper search and citation checks. Pay per call in USDC via x402.
715 ms latency— 24h
Down
x402-api
io.github.gigsoul/x402-api
AI API for marketing, content and outreach. 22 endpoints. Pay with USDC on Base via x402.
102 ms latency— 24h
Operational
x402-audit-mcp
io.github.robertoyanguas-ops/x402-audit-mcp
Audits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.
67 ms latency— 24h
Operational
X402-Broker Global A2A, MCP & x402 Super-Marketplace
com.x402broker/x402-broker
1,400+ tool A2A, MCP & x402 clearinghouse with free semantic discovery and paid execution.
170 ms latency— 24h
Operational
X402-Broker Global B2A & A2A Tool Marketplace
com.x402broker/marketplace
Autonomous agent clearinghouse indexing 23,000+ MCP, A2A, x402 & MPP tools with instant execution.
202 ms latency— 24h
Operational
X402-Broker Universal MCP Gateway & Multi-Agent Swarm Router
com.x402broker/mcp-gateway
Single-connection MCP gateway discovering and executing 490+ verified MCP & A2A tools.
73 ms latency— 24h
Operational
x402-broker-mcp
io.github.robertoyanguas-ops/x402-broker-mcp
Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and
76 ms latency— 24h
Operational
x402card: Virtual Cards + Freeland eSIM
org.x402card/freeland-esim
Issue and top up x402 virtual cards or buy Freeland travel eSIMs with Base USDC.
775 ms latency— 24h
Operational
x402-checks
io.github.89rat/x402-checks
Machine-payable deterministic identifier checks + signed XDR-1 receipts for agents.
294 ms latency— 24h
Down
x402-cite-check
io.github.dorianfields/x402-cite-check
Verify cited URLs still resolve: reachability, HTTP status and page title. x402-paid.
46 ms latency— 24h