{"uid":"cap_xogtZK3bFHTXYCntvMPbJ","slug":"whale-momentum-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-fef2235e","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://whale-momentum.agentdiet.dev/v1/preflight/certify)","url":"https://whale-momentum.agentdiet.dev/v1/preflight/certify?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_ChwePP_WtUDjnrf9eNF7g","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"whale-momentum.agentdiet.dev","brandSlug":"whale-momentum-agentdiet-dev-mpp","brandBaseUrl":"https://whale-momentum.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote agent, MCP, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers.","exampleAgentPrompt":"Can you run a compliance audit on https://my-agent-service.example.com/mcp — I need to know if it passes JSON-RPC validation, meets latency SLA, has a valid OpenAPI schema, and correctly returns HTTP 402 payment headers?","exampleUseCases":[{"title":"Pre-deploy agent endpoint certification","prompt":"Before I go live, can you certify https://staging.myagent.io/a2a for me — check its JSON-RPC compliance, latency SLA, OpenAPI schema, and x402 payment headers?"},{"title":"Third-party MCP server due diligence","prompt":"I'm about to integrate a vendor's MCP server at https://tools.vendorapi.com/mcp — can you audit it for protocol compliance and tell me if the HTTP 402 settlement headers are set up correctly?"},{"title":"Continuous compliance check for deployed x402 service","prompt":"Run a compliance check on https://payments.myservice.dev/v1/x402 and let me know if the HTTP 402 headers and JSON-RPC responses still conform to spec — I want to catch any drift before clients notice."}],"resultDescription":"Returns a structured compliance report indicating pass/fail status for JSON-RPC protocol conformance, observed latency vs SLA thresholds, OpenAPI schema validity, and HTTP 402 / x402 settlement header correctness for the submitted URL.","failureModes":["Target URL is unreachable or times out — audit fails with connectivity error","URL is missing or malformed — returns validation error on the url parameter","Target server returns unexpected HTTP status codes unrelated to compliance — partial audit result","Latency measurement may be affected by transient network conditions — SLA result could vary between calls","Target endpoint blocks automated probes — incomplete audit data returned"],"whenToPreferThis":"Use this endpoint when you need a single-call compliance certification of an A2A, MCP, or x402 HTTP 402-capable URL covering JSON-RPC, latency SLA, OpenAPI schema, and payment header checks simultaneously — especially before deploying or integrating a new agent endpoint. Prefer this over manual testing or generic HTTP health checks when you need structured, protocol-specific audit results for agent-to-agent or model-context-protocol services.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:37.219Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-14d6c442"}