{"uid":"cap_SBIOakdrft9X0drKF5fj0","slug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-2383be6b","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/x402-verifier)","url":"https://arxiv-digest.agentdiet.dev/v1/x402-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_ClpZWKlQOyfLgA-fcFHWZ","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, MCP, or x402 service 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://my-agent.example.com/mcp and tell me if it's JSON-RPC compliant, whether the latency SLA looks good, and whether the HTTP 402 payment headers are properly set up?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, audit my MCP endpoint at https://tools.mycompany.ai/mcp — I need to know if it's JSON-RPC compliant, if it returns valid OpenAPI schema, and if the x402 payment headers are correctly configured."},{"title":"Third-party agent endpoint due diligence","prompt":"I'm integrating a third-party A2A agent at https://partner-agent.example.com/a2a — can you run a full SLA and protocol compliance audit on it before I depend on it in production?"},{"title":"HTTP 402 payment gateway header verification","prompt":"I built an x402-gated API at https://api.mybusiness.dev/v1/data — can you verify that the HTTP 402 settlement headers are properly formatted and that the endpoint passes x402 v2 compliance checks?"}],"resultDescription":"Returns a structured audit report covering: JSON-RPC compliance status, measured latency against SLA thresholds, OpenAPI schema presence and validity, and HTTP 402 / x402 settlement header correctness for the target URL.","failureModes":["Target URL is unreachable or times out — audit fails with connectivity error","Target URL returns non-standard responses that cannot be parsed for compliance","Invalid or malformed URL input causes a validation error before auditing begins","Target endpoint has no OpenAPI schema — schema section of report returns not-found","HTTP 402 headers absent on a payment-gated endpoint — reported as non-compliant"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that an A2A, MCP, or x402 service URL conforms to protocol standards — specifically JSON-RPC correctness, latency SLA, OpenAPI schema, and HTTP 402 payment header compliance. Prefer this over manual inspection or generic HTTP health checks when you need structured compliance output across all four dimensions in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:01.543Z","isFirstParty":false,"canonicalSlug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-9c312255"}