{"uid":"cap_b8lIBvCxs0miTLhkJe7oj","slug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-542244fb","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/bazaar-verifier)","url":"https://preflight.agentdiet.dev/v1/bazaar-verifier?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_nyv7kiQnZ2aJ0yUEZxCwB","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 remote A2A agent, MCP server, or x402-enabled URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit https://api.myagent.dev/mcp for JSON-RPC compliance, check its latency SLA, and verify it has proper HTTP 402 x402 payment headers?","exampleUseCases":[{"title":"Pre-deployment MCP server audit","prompt":"Before I list my new MCP server publicly, can you run a full compliance check on https://tools.myapp.io/mcp — I want to know if it passes JSON-RPC spec, what the latency looks like, and whether it exposes the right HTTP 402 headers?"},{"title":"Verify third-party A2A agent readiness","prompt":"I'm about to integrate a vendor's A2A agent at https://agent.vendorapi.com/v1 into my pipeline — can you audit it for protocol compliance and tell me if it meets standard SLA thresholds?"},{"title":"x402 payment header validation","prompt":"I built an x402-enabled endpoint at https://payments.myservice.dev/v1/tool and want to confirm it's correctly advertising HTTP 402 settlement headers and is IETF MPP compliant — can you check it?"}],"resultDescription":"Returns a structured compliance report indicating JSON-RPC spec adherence, measured latency against SLA thresholds, OpenAPI schema validity, and presence/correctness of HTTP 402 x402 payment settlement headers for the audited URL","failureModes":["Target URL is unreachable or returns a network error — audit fails with connectivity error","Target URL does not implement any recognized protocol (A2A, MCP, x402) — returns non-compliant status with no specific violations","Latency too high to measure within timeout window — SLA check returns timeout failure","Invalid or malformed URL input — returns validation error before probe is attempted","Target endpoint blocks automated probes — may return partial results or access-denied status"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that a specific A2A agent, MCP server, or x402-enabled URL meets protocol compliance standards before integration or listing. It is distinct from general uptime monitoring — it performs deep inspection of JSON-RPC compliance, HTTP 402 payment header structure, OpenAPI schema, and latency SLA in a single call, making it ideal for pre-deployment audits, marketplace listing checks, or automated CI/CD compliance gates for agent infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:25.909Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3bfc8ad7"}