{"uid":"cap_PYSdEzJp3N0yKzYeqhmWO","slug":"x402broker-mpp-verifier-a2a-mcp-sla-compliance-auditor-c53d889c","name":"x402broker MPP Verifier - A2A & MCP 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://x402broker.com/v1/mpp-verifier)","url":"https://x402broker.com/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"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"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":"unknown","protocol":"x402","network":"base","amountUsd":null,"per":"call","confidence":"unknown"},{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-UqueqtWxew3Gn9uYVlsF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null},{"uid":"pm_d7Ll05MGMrHc0UKYZ1AzW","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits any remote agent, MCP, or HTTP 402 endpoint URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and x402 payment settlement headers","exampleAgentPrompt":"Audit the endpoint at https://myagent.example.com/v1/agent using a GET request and tell me whether it passes JSON-RPC compliance, meets latency SLA, has a valid OpenAPI schema, and correctly returns HTTP 402 settlement headers.","exampleUseCases":[{"title":"Pre-listing compliance check for agent marketplace","prompt":"Before I list my agent at https://myservice.io/v1/agent on a marketplace, can you audit it with a GET request to confirm it's JSON-RPC compliant, returns proper HTTP 402 headers, and passes latency SLA?"},{"title":"MCP server x402 payment header verification","prompt":"I just deployed an MCP server at https://mcp.mycompany.com/tools — can you run a compliance audit on it via GET to check whether the HTTP 402 settlement headers and OpenAPI schema are correctly implemented?"},{"title":"Production agent SLA health check","prompt":"Run a compliance audit on my production A2A endpoint https://prod-agent.acme.com/api using GET and report back on latency SLA pass/fail, JSON-RPC correctness, and any x402 header issues."}],"resultDescription":"Returns a structured compliance report covering: JSON-RPC protocol conformance (pass/fail with details), latency SLA measurement and pass/fail verdict, OpenAPI schema validation results, and HTTP 402 payment settlement header presence and correctness — all for the audited remote URL.","failureModes":["Target URL is unreachable or returns a non-2xx/402 response — audit cannot be completed","Target endpoint times out, resulting in latency SLA failure being reported","Malformed or missing URL query parameter causes request to be rejected","Target does not implement JSON-RPC at all, resulting in full compliance failure","Rate limiting or authentication on the target endpoint blocks the auditor's probe request"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that an A2A agent, MCP server, or HTTP 402-enabled API endpoint is compliant with JSON-RPC standards, x402 payment protocol headers, OpenAPI schema, and latency SLAs — especially before listing an agent on a marketplace, after deploying a new agent version, or as part of a CI/CD pipeline health check. Prefer this over manual testing tools when you need a single automated call that checks all four compliance dimensions at once.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:39:55.442Z","isFirstParty":false,"canonicalSlug":"x402broker-mpp-verifier-a2a-mcp-sla-compliance-auditor-c53d889c"}