{"uid":"cap_rUVNTG8lcyAk7j9J2dDul","slug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-9d4513c8","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://serp-extract.agentdiet.dev/v1/preflight)","url":"https://serp-extract.agentdiet.dev/v1/preflight?utm_source=zero.xyz","method":"POST","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_MQ35bZvHPTvdeRWYCln-t","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any A2A agent, MCP server, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit the endpoint at https://myagent.example.com/mcp and tell me if it passes JSON-RPC compliance, meets latency SLA, has valid OpenAPI schema, and has the right HTTP 402 payment headers set up?","exampleUseCases":[{"title":"Pre-deploy MCP server compliance check","prompt":"Before I go live, can you run a compliance audit on https://staging.myapp.dev/mcp and tell me if the JSON-RPC spec, OpenAPI schema, and HTTP 402 settlement headers all pass?"},{"title":"Third-party A2A agent vetting","prompt":"I found an A2A agent at https://partner-agent.io/v1/agent — can you audit it for protocol compliance, latency SLA, and HTTP 402 payment header correctness before I integrate it into my workflow?"},{"title":"Debugging x402 payment header issues","prompt":"My x402 endpoint at https://api.myservice.dev/pay keeps failing on client settlement — can you do a preflight audit to check if the HTTP 402 headers are correctly formatted and IETF MPP compliant?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol adherence, measured latency against SLA thresholds, OpenAPI schema validity, and HTTP 402 payment header correctness for the submitted A2A, MCP, or x402 endpoint URL.","failureModes":["Target URL unreachable or DNS resolution failure","Target endpoint returns non-JSON or malformed response","Latency measurement timeout if remote service is too slow","Invalid or missing HTTP 402 headers result in partial audit failure","Input URL missing or too short triggers schema validation error"],"whenToPreferThis":"Use this endpoint when you need to verify that an A2A agent, MCP server, or x402 payment endpoint meets protocol standards before integration or deployment — especially when checking JSON-RPC compliance, HTTP 402 settlement headers, OpenAPI schema validity, and latency SLA in a single call. Prefer this over general uptime monitors or HTTP probes when protocol-level and payment-header compliance is the concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:11.239Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-100ccc18"}