{"uid":"cap_8iBV0vHVRnZjlcMZ9wlrW","slug":"whale-momentum-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-279376a0","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/x402-mpp-paywall-verifier)","url":"https://whale-momentum.agentdiet.dev/v1/x402-mpp-paywall-verifier?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_3WUC3ef8spqZYZ3G8UkBZ","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 any 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/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 payment header correctness?","exampleUseCases":[{"title":"Pre-deployment MCP server compliance check","prompt":"Before I go live, can you audit my MCP server at https://staging.myapp.io/mcp to confirm it's JSON-RPC compliant, meets latency SLA, and has its OpenAPI schema properly configured?"},{"title":"x402 paywall header verification","prompt":"I've set up an HTTP 402 paywall at https://api.myservice.dev/v1/premium-data — can you verify the x402 settlement headers are correctly configured and the endpoint is compliant with the IETF MPP spec?"},{"title":"Third-party agent tool due diligence","prompt":"I'm thinking of integrating this external A2A tool at https://partner-agent.io/v2/tools/analyze into my workflow — can you audit it for protocol compliance, SLA, and any OpenAPI schema issues before I connect to it?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol adherence, measured latency against SLA thresholds, OpenAPI schema validity, and HTTP 402 payment settlement header correctness for the audited URL","failureModes":["Target URL unreachable or returns non-2xx/402 status — audit fails with connectivity error","URL missing or malformed — returns validation error for required 'url' parameter","Target endpoint has no OpenAPI schema — schema validation portion returns not-found or empty result","High latency or timeout on target — SLA check may report failure or timeout","Non-compliant JSON-RPC response format — compliance check returns detailed mismatch report"],"whenToPreferThis":"Use this endpoint when you need to programmatically audit the compliance of any A2A, MCP, or x402 service URL before integration — especially when verifying JSON-RPC correctness, SLA latency thresholds, OpenAPI schema presence, or HTTP 402 payment header configuration. Prefer this over manual testing when checking third-party agent tools, validating your own staging endpoints, or building automated compliance gates in a CI/CD pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:50.752Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-14d6c442"}