{"uid":"cap_h_l49fYPvbHbTBTUKIOWb","slug":"prompt-guard-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-8654d9aa","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://prompt-guard.agentdiet.dev/v1/402-compliance)","url":"https://prompt-guard.agentdiet.dev/v1/402-compliance?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_DY-P-dv4pTcwoZ4h80poS","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"prompt-guard.agentdiet.dev","brandSlug":"prompt-guard-agentdiet-dev-mpp","brandBaseUrl":"https://prompt-guard.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 audit https://my-agent.example.com/mcp for JSON-RPC compliance, check its latency SLA, and tell me if it has valid HTTP 402 x402 settlement headers?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I ship my MCP server, can you run a full compliance audit on https://my-mcp-server.example.com/v1 — check JSON-RPC conformance, latency SLA, and whether the HTTP 402 payment headers are correctly set up?"},{"title":"Third-party A2A agent vetting","prompt":"I'm about to integrate a third-party agent at https://partner-agent.io/a2a into my swarm — can you audit it for A2A and x402 compliance so I know it meets protocol standards before I trust it?"},{"title":"Ongoing x402 payment header monitoring","prompt":"Can you check whether https://api.agentservice.dev/v2/tools still has valid x402 HTTP 402 settlement headers and is within its latency SLA? I want to make sure nothing broke after their last deploy."}],"resultDescription":"Returns a structured compliance audit report covering: JSON-RPC protocol conformance, measured latency vs SLA thresholds, OpenAPI schema validity, and HTTP 402 x402 settlement header presence and correctness for the submitted endpoint URL.","failureModes":["Target URL is unreachable or times out — audit returns connectivity error","URL does not serve a recognizable A2A/MCP/x402 protocol — partial or null compliance results","Malformed URL input — validation error on required 'url' parameter","Remote endpoint returns unexpected response format — schema check inconclusive","Rate limiting or network errors from target service affecting latency measurement"],"whenToPreferThis":"Use this endpoint when you need to verify that a specific remote agent, MCP server, or x402 microservice correctly implements protocol standards before integration, deployment, or trust-granting. It is the right choice when you need a single-call audit covering JSON-RPC correctness, latency SLA, OpenAPI schema, and HTTP 402 payment headers simultaneously, rather than writing custom probe scripts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:11.874Z","isFirstParty":false,"canonicalSlug":"prompt-guard-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-fe721720"}