{"uid":"cap_EMsX7Lc2NYildO4ZvJDDl","slug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-573c2b12","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/usdc-quote-audit)","url":"https://preflight.agentdiet.dev/v1/usdc-quote-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_eqQqHDrUNTjNXISB1sh7L","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 agent, MCP server, or x402 URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit https://myagent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 settlement headers to make sure it's protocol-ready?","exampleUseCases":[{"title":"Pre-deploy MCP server compliance check","prompt":"Before I go live, can you run a full compliance audit on https://tools.mycompany.ai/mcp — I want to confirm it passes JSON-RPC validation, meets latency SLA, and has proper HTTP 402 payment headers configured?"},{"title":"Debugging a broken x402 payment endpoint","prompt":"My x402 endpoint at https://api.startupname.io/v1/agent-service isn't settling payments correctly — can you audit it and tell me what's wrong with the HTTP 402 headers or protocol config?"},{"title":"Third-party A2A agent vetting","prompt":"I'm about to integrate with a third-party agent at https://partner.agentplatform.com/a2a — can you check if it's actually compliant with A2A and MCP standards, including its OpenAPI schema and SLA benchmarks?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol conformance, measured latency vs SLA thresholds, OpenAPI schema validity, and HTTP 402 payment settlement header presence and correctness for the audited URL","failureModes":["Target URL is unreachable or returns a connection error","Target URL does not implement any of the audited protocols (A2A/MCP/x402), resulting in an empty or inconclusive report","Latency measurement may be skewed by network conditions between auditor and target","HTTP 402 headers absent entirely, making payment compliance section empty","Invalid or malformed URL input causes a validation error before the audit begins"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that a remote agent, MCP server, or x402 service is correctly implementing protocol standards before integration, deployment, or routing traffic to it. It is the right choice when you need a combined compliance snapshot — JSON-RPC, OpenAPI schema, latency SLA, and HTTP 402 payment headers — in a single call rather than running separate individual checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:21.638Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3bfc8ad7"}