{"uid":"cap_dF0jWaN3dERhkw1nBGyXe","slug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-664075b2","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://arxiv-digest.agentdiet.dev/v1/usdc-quote-audit)","url":"https://arxiv-digest.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_Qf1zeM2Otp59PRPeJFAfG","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"arxiv-digest.agentdiet.dev","brandSlug":"arxiv-digest-agentdiet-dev-mpp","brandBaseUrl":"https://arxiv-digest.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote A2A agent, MCP server, or x402 URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers.","exampleAgentPrompt":"Can you audit my MCP server at https://mymcpserver.example.com to check if it's JSON-RPC compliant, meets latency SLA, has a valid OpenAPI schema, and has correct HTTP 402 payment headers?","exampleUseCases":[{"title":"MCP server pre-deployment compliance check","prompt":"Before I ship my new MCP server, can you audit https://staging.myagent.dev/mcp to confirm it's fully JSON-RPC compliant and meets latency SLA requirements?"},{"title":"HTTP 402 payment header verification","prompt":"I just set up an x402 payment endpoint at https://api.myservice.io/v1/pay — can you check that the HTTP 402 settlement headers are correctly configured and compliant with the x402 spec?"},{"title":"Third-party A2A agent trust audit","prompt":"I'm about to integrate a third-party agent at https://partner-agent.example.com/a2a — can you audit it for protocol compliance, OpenAPI schema validity, and latency before I connect my system to it?"}],"resultDescription":"Returns a structured compliance report covering: JSON-RPC protocol conformance, measured latency against SLA thresholds, OpenAPI schema audit results, and HTTP 402 / x402 settlement header validation for the target URL.","failureModes":["Target URL is unreachable or returns a timeout — audit fails with connectivity error","Target URL returns non-standard responses that cannot be parsed for compliance — partial results returned","Invalid or malformed URL input — returns validation error","Target endpoint blocks probes (firewall/auth) — audit cannot complete certain checks","x402 payment of $0.01 USDC fails — request is rejected with HTTP 402 before audit runs"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that an A2A agent, MCP server, or x402 HTTP 402 payment endpoint is correctly implementing the relevant protocols (JSON-RPC, IETF MPP, OpenAPI, x402 v2) before integrating, deploying, or trusting a third-party service. Prefer this over manual inspection or generic HTTP testing tools when you need structured compliance output across multiple protocol dimensions simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:20.196Z","isFirstParty":false,"canonicalSlug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-9c312255"}