{"uid":"cap_ykx0JJSujta-E37VKDbhm","slug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-ae894e02","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://arxiv-digest.agentdiet.dev/v1/preflight/certify)","url":"https://arxiv-digest.agentdiet.dev/v1/preflight/certify?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"}}},"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_NDyN1521GAGapJ5mBICIL","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"arxiv-digest.agentdiet.dev","brandSlug":"arxiv-digest-agentdiet-dev-mpp","brandBaseUrl":"https://arxiv-digest.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any remote agent, MCP, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you run a compliance audit on https://myagent.example.com/api and tell me whether it passes JSON-RPC spec, meets latency SLA, has a valid OpenAPI schema, and has the right HTTP 402 payment headers?","exampleUseCases":[{"title":"Pre-deployment MCP server certification","prompt":"Before I launch my MCP server at https://tools.mycompany.com/mcp, can you run a full compliance check to make sure it passes JSON-RPC spec, has a proper OpenAPI schema, and handles HTTP 402 settlement headers correctly?"},{"title":"Auditing a third-party A2A agent","prompt":"I'm thinking of integrating an external A2A agent at https://partner-agent.io/v1 into my workflow — can you audit it for protocol compliance, latency SLA, and x402 payment header support so I know if it's trustworthy?"},{"title":"Troubleshooting HTTP 402 payment header issues","prompt":"My x402 service at https://pay.myservice.dev/agent keeps failing payment flows — can you do a preflight certify check on it to see if the HTTP 402 headers are correctly configured and if it meets the x402 v2 spec?"}],"resultDescription":"Returns a compliance report object containing JSON-RPC spec adherence status, measured latency vs. SLA threshold, OpenAPI schema validation findings, and HTTP 402 / x402 v2 settlement header compliance — effectively a certification snapshot of the audited endpoint.","failureModes":["Target URL is unreachable or times out — audit cannot complete and returns an error","Target URL does not expose a detectable protocol (no JSON-RPC, no OpenAPI, no 402 headers) — partial or empty report","Malformed URL input — returns validation error","Target endpoint blocks external probes or requires authentication — incomplete audit results","SLA measurement skewed by transient network conditions — latency readings may be inaccurate"],"whenToPreferThis":"Choose this endpoint when you need a structured, automated compliance audit of an A2A agent, MCP server, or x402 payment endpoint — especially before integrating a third-party service, deploying a new agent, or debugging HTTP 402 payment header issues. It is the right tool when you need a single call that covers JSON-RPC compliance, OpenAPI schema validity, latency SLA, and x402/HTTP 402 settlement header checks simultaneously, rather than writing custom test scripts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:25.920Z","isFirstParty":false,"canonicalSlug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-9c312255"}