{"uid":"cap_7ZOzrQFv8PlGWB2bPXBV_","slug":"onchain-risk-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-c38a3e25","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://onchain-risk.agentdiet.dev/v1/x402-mpp-paywall-verifier)","url":"https://onchain-risk.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_v-SzR4RvQ11tDNtRhm0_x","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"onchain-risk.agentdiet.dev","brandSlug":"onchain-risk-agentdiet-dev-mpp","brandBaseUrl":"https://onchain-risk.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any 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 audit https://myagent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 payment header correctness?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, can you audit https://mcp.myservice.io/v1 to make sure it's properly JSON-RPC compliant, has an OpenAPI schema, and passes SLA latency checks?"},{"title":"Verify x402 paywall on a monetized agent","prompt":"I set up an x402 paywall on my agent at https://api.agentbiz.dev/v1/assistant — can you check if the HTTP 402 settlement headers are configured correctly and the paywall is responding as expected?"},{"title":"Third-party agent protocol due diligence","prompt":"I'm considering integrating with an external agent at https://partner-agent.io/a2a — can you run a full compliance audit on it to check JSON-RPC spec adherence, latency, and any payment protocol headers?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC spec adherence, measured latency vs SLA thresholds, OpenAPI schema presence and validity, HTTP 402 settlement header correctness, and overall protocol compliance status for the audited endpoint.","failureModes":["Target URL is unreachable or times out — returns connectivity error","Target URL is not a valid A2A/MCP/x402 endpoint — returns protocol mismatch report","Missing required 'url' parameter — returns 400 bad request","Target returns unexpected non-HTTP response — partial or failed audit","Rate limit exceeded at $0.01/call — 429 response"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that an A2A agent, MCP server, or x402 paywall endpoint is correctly implementing its protocol obligations — including JSON-RPC spec, latency SLAs, OpenAPI schema presence, and HTTP 402 payment settlement headers. Prefer this over generic uptime monitors or HTTP health checks when protocol-level compliance (not just availability) matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:02.479Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-8a966155"}