{"uid":"cap_vwz7f9nDvc8Rg9Xge1umL","slug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-09f8d660","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/v1/preflight)","url":"https://preflight.agentdiet.dev/v1/preflight?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_6rAbrKGFCAT-46aGmH851","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 agent, 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://myagent.example.com/api/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 payment header correctness?","exampleUseCases":[{"title":"Verify new MCP server before deployment","prompt":"Before I ship my MCP server at https://staging.mytools.dev/mcp, can you audit it for JSON-RPC compliance and check whether it passes latency SLA thresholds?"},{"title":"Check x402 payment headers on agent endpoint","prompt":"I built an x402-enabled agent at https://payments.agentco.io/v1/agent — can you check if the HTTP 402 settlement headers are correctly formatted and compliant with the latest x402 v2 spec?"},{"title":"Validate third-party A2A tool before integration","prompt":"I'm about to integrate a third-party A2A tool at https://tools.vendorapi.com/a2a — can you run a full compliance audit on it for OpenAPI schema validity, JSON-RPC correctness, and SLA latency before I wire it into my pipeline?"}],"resultDescription":"Returns a compliance report object covering JSON-RPC protocol conformance, measured latency against SLA thresholds, OpenAPI schema validity findings, and HTTP 402 payment settlement header analysis for the submitted target URL","failureModes":["Target URL is unreachable or returns connection timeout","Invalid or malformed URL submitted in the url parameter","Target endpoint returns no HTTP 402 headers when x402 compliance is tested","Remote service blocks probing requests (firewall/rate limiting)","Incomplete OpenAPI schema on target prevents full validation"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that an A2A agent, MCP server, or x402 payment-enabled service meets protocol compliance standards — especially JSON-RPC correctness, latency SLA, OpenAPI schema validity, and HTTP 402 settlement header conformance — before integrating it into an agent pipeline or marketplace listing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:57.905Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3bfc8ad7"}