{"ok":true,"name":"x402_check_deep","description":"x402 endpoint deep check, never pays or signs: the full /api/x402-check report plus live checks. GET url (optional method, body). Adds TLS, security headers, CORS, payTo vs the payee's own published addresses (/.well-known/x402, openapi.json, llms.txt), lookalike payTo detection, and drift between the live 402 and well-known, openapi and CDP Bazaar listings. Any HTTP answer from the target is billed; bad input, blocked hosts and timeouts are not. Price $0.03 per call via x402, USDC on Base (MCP ","inputSchema":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","required":["url"],"properties":{"url":{"type":"string","description":"Public http(s) URL of the x402 endpoint to check"},"body":{"type":"string","description":"Optional JSON body (string, <=8KB) for a POST probe; implies POST"},"method":{"type":"string","description":"Probe method: GET (default; retries POST on 405) or POST"}},"additionalProperties":false},"serverUrl":"https://horizonpulse.dev/mcp","transport":"http","handshake":"ok","host":"horizonpulse.dev","score":66,"grade":"B","auth":"x402","lastScannedAt":"2026-10-30T13:06:15.405Z","stale":false,"permalink":"https://agentboardai.app/mcp/horizonpulse.dev/x402_check_deep","page":"https://agentboardai.app/site/horizonpulse.dev"}