{"uid":"cap_5SuEKH6SjEgW8ShgBATF2","slug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-181a66c2","name":"A2A, MCP & HTTP 402 Endpoint SLA Compliance Auditor","description":"Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 settlement headers. (Live x402 v2, IETF MPP & MCP endpoint at https://serp-extract.agentdiet.dev/v1/x402-verifier)","url":"https://serp-extract.agentdiet.dev/v1/x402-verifier?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string","minLength":1,"description":"Target A2A, MCP, or x402 service URL to audit for protocol compliance"},"limit":{"type":"integer","default":20,"maximum":100,"minimum":1,"description":"Maximum number of items to return per page (1-100)"},"cursor":{"type":"string","description":"Opaque pagination cursor for fetching the next page"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.01","displayCostAsset":"USD","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IqsMaT2t0R3Zn6QrsJZFL","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any A2A, MCP, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit this MCP server URL for JSON-RPC compliance, check its latency SLA, and verify it has proper HTTP 402 x402 payment headers configured? The URL is https://my-agent-service.example.com/mcp","exampleUseCases":[{"title":"Validate new MCP server before deployment","prompt":"Before I go live, can you audit https://staging.myagent.io/mcp to check if it's properly JSON-RPC compliant, meets latency SLA, and has valid OpenAPI schema — I want to catch any issues now."},{"title":"Check x402 payment header configuration","prompt":"I just set up HTTP 402 payment gating on my API at https://api.myservice.dev/v1/chat — can you verify the x402 settlement headers are correctly configured and compliant with the spec?"},{"title":"Debug a third-party A2A tool integration","prompt":"My agent keeps failing when it calls this third-party A2A tool at https://tools.partner.ai/a2a — can you run a full compliance audit on it and tell me if there are any JSON-RPC or protocol issues?"}],"resultDescription":"Returns a structured audit report covering JSON-RPC compliance status, measured latency against SLA thresholds, OpenAPI schema validation results, and HTTP 402/x402 payment header correctness for the target endpoint","failureModes":["Target URL unreachable or times out — audit fails with connectivity error","Invalid or non-URL value passed in the url parameter — validation error returned","Target endpoint does not expose JSON-RPC or OpenAPI — partial audit with missing sections","HTTP 402 headers absent on target — flagged as non-compliant for payment protocol","Rate limiting or firewall on target URL blocks the auditor probe"],"whenToPreferThis":"Choose this endpoint when you need to verify that an A2A agent, MCP server, or x402-gated API is correctly implementing protocol standards before deployment or integration — especially when you need a single-call audit covering JSON-RPC, latency SLA, OpenAPI schema, and HTTP 402 payment headers together rather than running separate checks","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:31.525Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-100ccc18"}