{"uid":"cap_-lZlFtU8oL3FMgGBm-9th","slug":"workflows-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-5596c142","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://workflows.agentdiet.dev/v1/preflight/certify)","url":"https://workflows.agentdiet.dev/v1/preflight/certify?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_hQJzhIFvPTggtcsYwb3F-","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"workflows.agentdiet.dev","brandSlug":"workflows-agentdiet-dev-mpp","brandBaseUrl":"https://workflows.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any remote A2A agent, MCP, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you run a full compliance audit on https://my-agent.example.com/mcp — I want to know if it passes JSON-RPC spec, meets latency SLA, has valid OpenAPI schema, and has the correct HTTP 402 x402 settlement headers?","exampleUseCases":[{"title":"Pre-deployment agent endpoint certification","prompt":"Before I go live, can you certify https://staging.myagent.io/api/v1 for me — check its JSON-RPC compliance, latency SLA, and whether its HTTP 402 x402 headers are set up correctly?"},{"title":"Third-party MCP server trust check","prompt":"I'm about to integrate this MCP server at https://partner-mcp.example.com into my swarm — can you audit it for protocol compliance and tell me if it has valid OpenAPI schema and passes SLA thresholds?"},{"title":"x402 payment header verification","prompt":"Can you probe https://commerce.myapp.dev/v1/endpoint and tell me whether its HTTP 402 settlement headers are correctly configured for x402 v2 payments?"}],"resultDescription":"Returns a structured compliance report for the target URL covering: JSON-RPC protocol conformance, measured latency vs SLA thresholds, OpenAPI schema validity, and HTTP 402/x402 settlement header correctness — effectively a pass/fail certificate for agent protocol readiness.","failureModes":["Target URL is unreachable or times out — returns connectivity error","Target URL does not implement any recognized protocol (A2A/MCP/x402) — returns unsupported protocol result","Malformed or missing URL parameter — returns validation error","Target service returns unexpected non-standard responses — partial compliance report with warnings","Rate limiting or payment failure on the auditor endpoint itself — returns 402 or 429 error"],"whenToPreferThis":"Choose this endpoint when you need to verify that a remote A2A agent, MCP server, or x402 service is protocol-compliant before integrating it into a workflow or swarm — especially when you need to check JSON-RPC spec adherence, latency SLA, OpenAPI schema correctness, and HTTP 402 payment header configuration in a single call. Prefer it over manual curl-based probing or generic HTTP health checks when A2A/MCP/x402 protocol semantics matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:24.038Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-17c63f1a"}