{"uid":"cap_DCtfy_H-L-3UcvFRukBnx","slug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-617c8717","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://serp-extract.agentdiet.dev/v1/paywall-scanner)","url":"https://serp-extract.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"},"limit":{"type":"integer","default":20,"maximum":100,"minimum":1,"description":"Maximum number of items to return per page (1-100)"},"cursor":{"type":"string","description":"Opaque pagination cursor for fetching the next page"}}},"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_wC_83kD1jvH_ZBeX8tqB_","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a 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://myagent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 settlement headers and tell me if it passes all checks?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I ship my MCP server at https://tools.mycompany.com/mcp, can you run a full compliance audit on it — JSON-RPC format, SLA latency, and OpenAPI schema — and flag anything that would fail?"},{"title":"Diagnosing broken x402 payment headers","prompt":"My HTTP 402 paywall endpoint at https://api.myservice.dev/v1/data doesn't seem to be returning proper x402 settlement headers. Can you audit it and tell me exactly what's wrong?"},{"title":"Third-party A2A agent vetting","prompt":"I want to integrate this third-party A2A agent at https://partner-agent.io/a2a into my workflow — can you check it for JSON-RPC compliance, latency SLA, and whether it properly handles HTTP 402 before I commit to using it?"}],"resultDescription":"Returns a structured compliance report covering: JSON-RPC protocol conformance, measured latency against SLA thresholds, OpenAPI schema validity, and HTTP 402 / x402 v2 settlement header presence and correctness — along with pass/fail status for each dimension.","failureModes":["Target URL is unreachable or returns a network error — audit fails with connectivity error","Target URL returns an unexpected content type (e.g. HTML instead of JSON) — JSON-RPC compliance check fails","URL parameter missing or empty — returns 400 bad request","Target service has very high latency causing the audit probe to time out","x402 headers absent or malformed — reported as non-compliant but audit still completes","OpenAPI spec not exposed by target — schema check returns not-found result"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a remote A2A agent, MCP server, or x402 HTTP 402 paywall endpoint meets protocol standards before integration or deployment — specifically when you care about JSON-RPC correctness, SLA latency, OpenAPI schema, and x402 settlement header compliance in a single combined audit. Prefer this over generic uptime monitors or HTTP health-check tools when the target is an agent or MCP service with payment-layer requirements.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:41.338Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-100ccc18"}