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Discover and call 2,000+ x402 machine-payable services through one graded API key + gateway.
MCP endpoint :https://graded.sh/mcp · website · measurements and detailsIndependent health, price and history for x402/MPP endpoints. Metered over x402; free grade on web.
MCP endpoint :https://probe402.com/mcp · website · measurements and detailsIndependent measured reviews of x402 API sellers: pre-payment verdicts and accuracy grades.
MCP endpoint :https://whatagentsbuy.com/mcp · website · measurements and detailsSSL certificate check — validity, expiry, issuer, chain, grade. x402 micropayment.
MCP endpoint :https://ssl-checker.api.klymax402.com/mcp · website · measurements and detailsCited, filing-grounded equity research via x402, per call: graded quarterly cards, WACC, 10-Q.
MCP endpoint :https://alpha402x.com/mcp · website · measurements and detailsCheck any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
MCP endpoint :https://lumierepaycheck.org/mcp?plans=1 · website · measurements and detailsScan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.
MCP endpoint :https://attestagent.org/api/mcp · website · measurements and detailsSolana address risk grades and token scans for AI agents. Pay-per-call via x402 (USDC on Base).
MCP endpoint :https://cyre-fraud-prediction.onrender.com/mcp · website · measurements and detailsToken safety, FOMO flow, graded calls and agentic trading on Robinhood Chain and Solana; x402
MCP endpoint :https://api.pumppill.org/mcp · website · measurements and detailsSettlement-grade market weather + general current/forecast weather for any location, via x402.
Package npm :vweatherstation-mcp · website · measurements and detailsCross-brand carbide grade equivalents from verified manufacturer charts; never invents a grade.
MCP endpoint :https://cuttingtoolsai-mcp.memmizgezgin.workers.dev · website · measurements and detailsPublic TV and radio catalogue with measured stream health, folders and M3U feeds for VLC.
MCP endpoint :https://gradetv.net/mcp · website · measurements and detailsVerify signed x402 payments; treasury-scoped settlement is irreversible.
MCP endpoint :https://x402-agent-pay.com/facilitator/mcp · website · measurements and detailsFree tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.
MCP endpoint :https://qf-api.quietforge-studio.workers.dev/mcp · website · measurements and detailsInspect and validate an x402 endpoint before an autonomous agent spends USDC.
MCP endpoint :https://x402.chikocorp.com/mcp · website · measurements and detailsDiscover x402 APIs by capability, price & trust. Powered by x402Scout.
MCP endpoint :https://x402-scout-relay.onrender.com/sse · website · measurements and detailsPreflight x402 payment compatibility with structured risk evidence and remediation guidance.
MCP endpoint :https://intelligence.inversolabs.us/mcp · measurements and detailsMeasured x402 ecosystem data, facilitator reliability, and live endpoint checks.
MCP endpoint :https://multichain-rpc.clankerceo.workers.dev/mcp · website · measurements and detailsDiscover and quote x402-paid Base intelligence products.
MCP endpoint :https://prime-agent-x402-intelligence.onrender.com/mcp/ · website · measurements and detailsPaid x402 MCP tool for stress-testing launch and marketing copy before publication.
MCP endpoint :https://launchcheck-x402.fly.dev/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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