{"uid":"cap_M_tSPqu0a7YxiC0-19GZM","slug":"llms-generator-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-ccaf3095","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://llms-generator.agentdiet.dev/v1/preflight)","url":"https://llms-generator.agentdiet.dev/v1/preflight?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_1HuHsN7yRjMuzv6tTWAe_","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"llms-generator.agentdiet.dev","brandSlug":"llms-generator-agentdiet-dev-mpp","brandBaseUrl":"https://llms-generator.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote A2A, 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-service.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 settlement headers and tell me if it passes?","exampleUseCases":[{"title":"Pre-deploy MCP server compliance check","prompt":"Before I ship my new MCP server, can you run a full compliance audit on https://staging.myapp.dev/mcp — I want to know if it passes JSON-RPC spec, meets latency SLA, and has correct x402 payment headers?"},{"title":"Verify third-party agent endpoint before integration","prompt":"I'm about to integrate with a third-party A2A service at https://partner-agent.acme.io/v1/agent — can you audit it for A2A protocol compliance and check its HTTP 402 headers before I commit to using it?"},{"title":"SLA regression test after infrastructure change","prompt":"We just migrated our x402 service to a new host at https://payments.myplatform.com/v1/settle — can you audit it to make sure the latency SLA and HTTP 402 settlement headers are still correct?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC spec adherence, measured latency vs SLA thresholds, OpenAPI schema validity, and the presence/correctness of HTTP 402 x402 payment settlement headers for the audited URL","failureModes":["Target URL is unreachable or times out — returns error with connectivity failure detail","Target URL returns non-standard response that cannot be parsed for JSON-RPC compliance","HTTP 402 headers absent or malformed — flagged as non-compliant in the report","OpenAPI schema not found or invalid — schema validation section reports failure","Missing or invalid 'url' query parameter — returns 400-level error"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that an A2A, MCP, or x402 endpoint meets protocol standards before integration, deployment, or ongoing SLA monitoring — especially when HTTP 402 payment header compliance is a requirement alongside standard JSON-RPC and OpenAPI validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:19.325Z","isFirstParty":false,"canonicalSlug":"llms-generator-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-ccaf3095"}