{"uid":"cap_9nXcEbOkLlP8wvrmHzmc3","slug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-65a890a9","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://preflight.agentdiet.dev/v1/usdc-quote-audit)","url":"https://preflight.agentdiet.dev/v1/usdc-quote-audit?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_rP1sq2JGXqy8ZMTBE2TW1","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"preflight.agentdiet.dev","brandSlug":"preflight-agentdiet-dev-mpp","brandBaseUrl":"https://preflight.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any 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 audit https://myagent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 payment headers to see if it's fully protocol-compliant?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I publish my MCP server, can you audit https://tools.mycompany.ai/mcp to confirm it passes JSON-RPC spec, OpenAPI schema validation, and responds within acceptable latency SLAs?"},{"title":"x402 payment header verification","prompt":"I set up HTTP 402 payment headers on my agent service at https://api.myagent.dev/v1/chat — can you verify the x402 settlement headers are correctly configured?"},{"title":"Third-party A2A agent due diligence","prompt":"I'm about to integrate a vendor's A2A agent at https://partner-agents.io/v2/actions — can you run a compliance audit to check their JSON-RPC responses, latency, and whether they properly implement the x402 payment protocol?"}],"resultDescription":"Returns a compliance report object covering: JSON-RPC protocol conformance, measured latency against SLA thresholds, OpenAPI schema validation results, and HTTP 402 payment settlement header status for the audited URL","failureModes":["Target URL unreachable or times out — audit fails with connectivity error","Invalid or malformed URL supplied — validation error returned","Target service returns non-standard responses that cannot be parsed for compliance","HTTP 402 headers absent or malformed — reported as non-compliant rather than error","Target endpoint uses unsupported protocol variant — partial audit results"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that an A2A agent, MCP server, or x402-enabled service meets protocol compliance requirements before integration or production deployment. It is specifically suited for validating JSON-RPC conformance, SLA latency benchmarks, OpenAPI schema correctness, and HTTP 402 payment header setup in a single call, making it ideal for CI/CD pipelines, vendor onboarding, and agent marketplace readiness checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:25.341Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3bfc8ad7"}