{"uid":"cap_Hf_nStjhncVuUL_LPACiO","slug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-27c66e6d","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://preflight.agentdiet.dev/paid)","url":"https://preflight.agentdiet.dev/paid?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_6XvHvmJmka5oLuzZrkAGR","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"preflight.agentdiet.dev","brandSlug":"preflight-agentdiet-dev-mpp","brandBaseUrl":"https://preflight.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 https://my-mcp-server.example.com/rpc and tell me whether it's JSON-RPC compliant, what its latency looks like, and whether it has proper HTTP 402 settlement headers?","exampleUseCases":[{"title":"Pre-production MCP server compliance check","prompt":"Before I launch my MCP server at https://staging.myagent.dev/mcp, can you run a full compliance audit — check JSON-RPC conformance, latency SLA, OpenAPI schema, and HTTP 402 headers?"},{"title":"Third-party A2A endpoint vetting","prompt":"I'm about to integrate a third-party A2A agent at https://partner-api.example.com/agent — can you audit it for JSON-RPC compliance and verify it handles HTTP 402 payment settlement correctly?"},{"title":"x402 payment endpoint health check","prompt":"Can you probe https://payments.myservice.io/paid and tell me if its x402 settlement headers are correctly configured and whether it meets latency SLA requirements?"}],"resultDescription":"Returns a compliance report covering JSON-RPC conformance status, measured latency against SLA thresholds, OpenAPI schema validation results, and HTTP 402 settlement header presence and correctness for the target URL.","failureModes":["Target URL is unreachable or times out — returns connectivity error","Malformed URL input — returns validation error","Target endpoint does not speak JSON-RPC or HTTP 402 — returns non-compliant status","Payment failure for the $0.01 per-call fee — request not processed"],"whenToPreferThis":"Choose this endpoint when you need to programmatically audit an A2A agent, MCP server, or x402 payment endpoint for protocol compliance before integration or deployment. It is purpose-built for the intersection of JSON-RPC, OpenAPI, and HTTP 402/x402 payment header validation — use it instead of generic uptime monitors when you specifically care about agent-to-agent protocol correctness and micropayment settlement header conformance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:43.584Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3bfc8ad7"}