{"uid":"cap_yh-TsAVVf40gyXUZw20WE","slug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-177a33e5","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/api)","url":"https://preflight.agentdiet.dev/api?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_0I7goCx1-09PVeBz9heGH","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 agent, MCP, or x402 URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit https://my-agent-service.example.com/api to check if it's JSON-RPC compliant, meets latency SLAs, and returns the correct HTTP 402 x402 payment headers?","exampleUseCases":[{"title":"Pre-integration MCP endpoint check","prompt":"Before I wire up this MCP tool at https://tools.myplatform.ai/mcp, can you run a full compliance audit on it — JSON-RPC, OpenAPI schema, latency, and HTTP 402 headers — so I know it's production-ready?"},{"title":"x402 payment header verification","prompt":"I just deployed an x402-enabled API at https://payments.mybot.dev/api — can you audit it to confirm it's returning the right HTTP 402 settlement headers and passing the x402 v2 spec?"},{"title":"A2A agent SLA health check","prompt":"Can you probe https://alpha-agent.defibot.io/rpc and tell me whether it passes JSON-RPC compliance and meets latency SLA thresholds? I want to know before routing live traffic to it."}],"resultDescription":"Returns a compliance report object covering JSON-RPC conformance, latency SLA measurement, OpenAPI schema validity, and HTTP 402 payment settlement header presence and correctness for the audited URL","failureModes":["Target URL is unreachable or times out — returns error with connectivity failure details","Target URL does not implement any recognized protocol (A2A, MCP, x402) — returns non-compliant status","Malformed or missing URL parameter — returns 400 bad request","Target service returns unexpected HTTP status codes that prevent protocol inspection","Rate limiting or firewall on the target URL blocks the probe"],"whenToPreferThis":"Use this endpoint when you need to verify that a remote A2A agent, MCP tool server, or x402 payment-gated API meets protocol standards before integration or routing live traffic — particularly when you need simultaneous checks across JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 header correctness in a single call. Prefer this over manual curl probing or separate tools when auditing agent infrastructure for production readiness.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:46:30.646Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3bfc8ad7"}