{"uid":"cap_3oU2xrQqDhwrL-QyJaDI4","slug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3bfc8ad7","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/x402-audit)","url":"https://preflight.agentdiet.dev/v1/x402-audit?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_KhTaFSzfKqcm9sOplQ5nB","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 a remote 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://payments.myagent.dev/mcp to check if it's properly JSON-RPC compliant, meets latency SLA, and has valid HTTP 402 x402 settlement headers?","exampleUseCases":[{"title":"Pre-deployment MCP server compliance check","prompt":"Before I publish my MCP server at https://tools.myservice.ai/mcp, can you audit it to confirm it passes JSON-RPC compliance, latency SLA, and OpenAPI schema validation?"},{"title":"x402 payment header verification","prompt":"I set up x402 v2 payment headers on https://api.agentpay.io/v1/query — can you audit that URL to confirm the HTTP 402 settlement headers are properly configured?"},{"title":"Third-party A2A agent due diligence","prompt":"I'm about to integrate a third-party agent at https://partner.agentfleet.dev/a2a into my workflow — can you run a full SLA and protocol compliance audit on it before I trust it?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol conformance, measured latency against SLA thresholds, OpenAPI schema validity, and HTTP 402 x402 settlement header presence and correctness for the submitted URL.","failureModes":["Target URL is unreachable or returns a network error — audit fails with connectivity error","Target URL does not implement any supported protocol (A2A, MCP, x402) — returns non-compliant result with no protocol detected","URL parameter is missing or malformed — returns a 400 validation error","Target endpoint is too slow to respond within the auditor's own timeout — returns latency SLA failure","HTTP 402 headers are absent or malformed — reported as non-compliant in settlement header section"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a remote agent, MCP server, or x402-enabled API meets protocol compliance standards — specifically for JSON-RPC correctness, latency SLA, OpenAPI schema integrity, and HTTP 402 x402 settlement header validity. Prefer this over generic HTTP health-check tools when the target is an agentic or AI-native endpoint that may implement A2A, MCP, or x402 payment protocols.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:06.534Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3bfc8ad7"}