{"uid":"cap_Iu71stRPprkVzyXPX4-V3","slug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-abaf3514","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/mpp-verifier)","url":"https://serp-extract.agentdiet.dev/v1/mpp-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"},"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_jmtwUe6eAhIgn9RbfpQZ9","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://api.example.com/mcp and tell me whether it's JSON-RPC compliant, passes its latency SLA, has a valid OpenAPI schema, and returns the right HTTP 402 settlement headers?","exampleUseCases":[{"title":"Pre-integration MCP server health check","prompt":"Before I add this MCP server at https://tools.myagent.dev/mcp to my agent stack, can you audit it for JSON-RPC compliance, latency SLA, and whether its HTTP 402 headers are set up correctly?"},{"title":"x402 payment header verification","prompt":"I deployed a new x402-enabled endpoint at https://api.mybusiness.dev/v1/service — can you check that it's returning the correct HTTP 402 payment settlement headers and that it's IETF MPP compliant?"},{"title":"Routine SLA audit for agent fleet endpoint","prompt":"Run a compliance audit on https://agent.myplatform.io/rpc and report back on its JSON-RPC validity, OpenAPI schema, and whether it's meeting latency SLA benchmarks."}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol conformance, latency SLA pass/fail, OpenAPI schema validity, and HTTP 402 / x402 settlement header inspection for the submitted target URL.","failureModes":["Target URL is unreachable or returns a network timeout — audit fails with connectivity error","Target URL does not expose a valid HTTP endpoint — schema and header checks return empty or error","Malformed or non-URL input causes validation rejection before request is sent","Target service blocks automated probes, returning 403 or CAPTCHA — audit results incomplete","x402 or JSON-RPC headers absent — report reflects non-compliance rather than an error"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that a remote A2A agent, MCP server, or x402-enabled service correctly implements protocol-level standards — including JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 payment headers — before integrating it into an agent workflow or marketplace listing. Prefer it over generic uptime monitors or HTTP health-check tools when protocol-layer compliance (especially x402/MPP and MCP) is what matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:50:17.183Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-100ccc18"}