{"uid":"cap_cTkf_K56Ixgqm03avlrUj","slug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-f38146ea","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/paywall-scanner)","url":"https://arxiv-digest.agentdiet.dev/v1/paywall-scanner?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_kiFnHwlTWoaLssD1gRXFM","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 any remote 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://my-agent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 settlement header correctness?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, can you audit https://api.myagent.io/mcp to make sure it's JSON-RPC compliant, has a valid OpenAPI schema, and passes latency SLA requirements?"},{"title":"Verify x402 paywall header setup","prompt":"I just added HTTP 402 payment gating to https://tools.myservice.dev/v1/premium — can you check whether the settlement headers are correctly formatted according to the x402 v2 spec?"},{"title":"Debug a failing A2A agent endpoint","prompt":"My A2A agent at https://swarm.myplatform.com/agent isn't responding correctly to other agents — can you run a full protocol compliance audit on it and tell me what's failing?"}],"resultDescription":"Returns a compliance audit report covering JSON-RPC spec adherence, measured latency vs SLA thresholds, OpenAPI schema validity, and HTTP 402 / x402 v2 settlement header correctness for the submitted URL.","failureModes":["Target URL is unreachable or times out — returns error indicating the endpoint could not be probed","URL missing or malformed — returns validation error on the 'url' parameter","Target endpoint returns unexpected non-standard responses that cannot be parsed against any known protocol spec","Rate limit or payment failure prevents the audit from completing ($0.01 per call via x402)"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that an A2A agent, MCP server, or x402 paywall URL conforms to JSON-RPC, IETF MPP, OpenAPI, and HTTP 402 protocol standards in a single call — especially before deploying agent infrastructure or onboarding a third-party tool into an agent swarm.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:15.767Z","isFirstParty":false,"canonicalSlug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-9c312255"}