{"uid":"cap_PHmUkrjGcY2o8bjcFXZyk","slug":"email-verify-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-062496a9","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://email-verify.agentdiet.dev/v1/paywall-check)","url":"https://email-verify.agentdiet.dev/v1/paywall-check?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_wjgkYG0G2T6pBNd3L9CGO","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"email-verify.agentdiet.dev","brandSlug":"email-verify-agentdiet-dev-mpp","brandBaseUrl":"https://email-verify.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote agent, MCP, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment header conformance.","exampleAgentPrompt":"Can you audit https://myagent.example.com/mcp for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 settlement header conformance and tell me what's passing or failing?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, can you audit my MCP server at https://tools.mycompany.ai/mcp to make sure it's JSON-RPC compliant, has a valid OpenAPI schema, and meets latency SLA requirements?"},{"title":"HTTP 402 paywall header verification","prompt":"I set up an x402 paywall endpoint at https://api.myservice.dev/v1/resource — can you check whether it returns the correct HTTP 402 settlement headers according to the IETF MPP spec?"},{"title":"Third-party agent endpoint due diligence","prompt":"I'm about to integrate with a vendor agent at https://partner-ai.io/agent/v2 — can you run a full SLA and protocol compliance audit on it so I know if it's production-ready?"}],"resultDescription":"Returns a structured audit report covering: JSON-RPC protocol compliance status, measured response latency vs SLA thresholds, OpenAPI schema presence and validity, and HTTP 402 / x402 settlement header conformance — with pass/fail indicators for each dimension.","failureModes":["Target URL is unreachable or returns a network error — audit fails with connectivity error","Target URL is not an A2A/MCP/x402 endpoint — returns non-compliant or unrecognized protocol response","Target endpoint has extremely high latency causing audit timeout","Malformed or missing OpenAPI schema at target — schema validation portion fails","HTTP 402 headers absent or malformed on a non-paywall endpoint — 402 check fails as not applicable"],"whenToPreferThis":"Use this endpoint when you need a multi-dimensional protocol compliance audit of a remote agent, MCP server, or x402 paywall URL in a single call — covering JSON-RPC format, latency SLA, OpenAPI schema, and HTTP 402 header conformance together. Prefer this over manual probing or generic HTTP health checks when evaluating agent infrastructure readiness or vetting third-party integrations against A2A/MCP/x402 standards.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:37:52.553Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-0dfa209a"}