{"uid":"cap_nmkAAhb-jgQRp5FLy2j-S","slug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-510d714c","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-check)","url":"https://arxiv-digest.agentdiet.dev/v1/paywall-check?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_yoO_bl0oykAn0flU08Huk","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 settlement headers","exampleAgentPrompt":"Can you audit https://my-agent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 settlement headers, and tell me if it passes all protocol checks?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I publish my new MCP server at https://tools.mycompany.com/mcp, can you run a full compliance audit on it — JSON-RPC spec, latency SLA, OpenAPI schema, and HTTP 402 headers?"},{"title":"Debugging HTTP 402 paywall failures","prompt":"My x402 paywall at https://api.myservice.com/v1/premium isn't settling payments correctly — can you audit it and tell me if the HTTP 402 headers are configured right?"},{"title":"Third-party A2A agent vetting","prompt":"I'm about to integrate a third-party agent at https://partner-agent.io/a2a into my swarm — can you check if it's actually A2A compliant and whether it meets latency SLA requirements?"}],"resultDescription":"Returns a structured compliance report including JSON-RPC adherence status, measured latency vs SLA thresholds, OpenAPI schema validation results, and HTTP 402 settlement header inspection for the target URL","failureModes":["Target URL is unreachable or returns a non-HTTP response — audit fails with connectivity error","Target URL is not an A2A/MCP/x402 endpoint — compliance checks may return inapplicable or empty results","URL parameter is missing or malformed — returns 400 bad request","Target endpoint has rate limiting or firewall rules blocking the auditor probe — incomplete results returned","Latency measurement skewed by transient network conditions — SLA result may not reflect steady-state performance"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a remote agent, MCP server, or x402 paywall URL actually conforms to protocol standards before integrating it into an agent swarm or production workflow. It is especially useful for pre-launch validation, third-party vendor vetting, or debugging HTTP 402 payment settlement issues — distinct from generic uptime monitors or ping tools because it understands A2A, MCP, JSON-RPC, and x402 semantics specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:40.451Z","isFirstParty":false,"canonicalSlug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-9c312255"}