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Call before paying an x402 resource. Returns PAY/BLOCKED. Does not move funds.
MCP endpoint :https://forage.inflbs.xyz/mcp · website · measurements and detailsPre-payment merchant trust checks for x402 agents on Base and Solana.
MCP endpoint :https://mcp.gradientdecisions.com/mcp · website · measurements and detailsCheck whether a website is readable by AI agents: robots, llms.txt, sitemap, HTML. Bounded.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-ready-website-check/mcp · website · measurements and detailsSelf-facilitated x402/MCP payments for hosted endpoints, rail proofs, receipts, and agents.
MCP endpoint :https://payments.wiselyenterprisesllc.com/ai/mcp · website · measurements and detailsPre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.
MCP endpoint :https://api.pennyforge.org/mcp · website · measurements and detailsPay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.
MCP endpoint :https://squeezeos-api.onrender.com/mcp/x402-pay · website · measurements and detailsPut any API behind x402 in one call, settle USDC on Base, buy credits, find paid resources
MCP endpoint :https://pay.neuronto.com/mcp · website · measurements and detailsTen machine-readable signals on one public page: the top miss if any, and a receipt we re-verify.
MCP endpoint :https://advisorsai.ai/store-readiness-mcp · website · measurements and details85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.
MCP endpoint :https://mcp-x402.onrender.com/mcp · website · measurements and detailsx402 MCP get-paid path: USDC, spend caps, AUP, $49 kit. CAPTCHA/web-unlock for payment-ready agents.
MCP endpoint :https://wren-unlock-mcp.randall-75d.workers.dev/mcp · website · measurements and detailsEdge-based network diagnostic utility checking host latency, gated via x402 payment rails.
MCP endpoint :https://edge-diagnostics-x402.seob5285.workers.dev/v1/diagnose-host · measurements and detailsVerify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.
MCP endpoint :https://pulsefeed.dev/mcp-server · website · measurements and detailsAuthorize x402 payments before signing with request-bound, signed safety decisions.
MCP endpoint :https://agent-guild-5d5r.onrender.com/mcp/payment-safety/ · website · measurements and detailsMCP/x402 starter audit; payment-ready buyers call buy_now first.
MCP endpoint :https://doctors-lighting-facial-admissions.trycloudflare.com/agent-revenue-copilot/mcp · website · measurements and detailsRead-only agent-commerce audit, upgrade verification, diagnosis and x402 probing.
MCP endpoint :https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/mcp · website · measurements and detailsDeterministic pre-execution verification tools for AI agents with x402 USDC pay-per-call on Base
MCP endpoint :https://preflight-checks--jd-robles.run.tools · website · measurements and detailsLive-checks whether a WordPress site is ready to be safely operated by AI agents.
MCP endpoint :https://sitepassport.org/.well-known/mcp.json · website · measurements and detailsNon-custodial x402 payments for AI agents. Sign locally, spend limits, Base network.
Package npm :clawpay-mcp · website · measurements and detailsCheck Exa, BlockRun, OneSource, Apify and other x402 dependencies before invoking or paying.
MCP endpoint :https://icqzbuuix6e4bed2stnnboqcti.srv.us/mcp · website · measurements and detailsBounded crawl-readiness check for agent access: robots.txt, sitemap.xml, llms.txt, homepage.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-crawl-readiness/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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