{"uid":"cap_9MNquXUvRkDIkIk2HWl_H","slug":"mcp-security-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-d6a0c406","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://mcp-security.agentdiet.dev/v1/x402-mpp-paywall-verifier)","url":"https://mcp-security.agentdiet.dev/v1/x402-mpp-paywall-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":[],"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_dFTrNVNUhS4YzEXfnJImo","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-security.agentdiet.dev","brandSlug":"mcp-security-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-security.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://my-agent.example.com/mcp to check whether it's JSON-RPC compliant, passes latency SLA, has a valid OpenAPI schema, and returns the correct HTTP 402 x402 v2 settlement headers?","exampleUseCases":[{"title":"Verify x402 paywall before integration","prompt":"Before I integrate this payment-gated API into my pipeline, can you check whether https://api.partner.com/v1/data-feed has proper HTTP 402 x402 v2 headers and IETF MPP compliance?"},{"title":"MCP server JSON-RPC health check","prompt":"I just deployed my MCP server at https://mcp.myapp.io/rpc — can you audit it for JSON-RPC spec compliance and tell me if the latency SLA looks acceptable?"},{"title":"Pre-launch agent endpoint audit","prompt":"We're about to go live with our A2A agent at https://agents.mycompany.dev/a2a — can you run a full compliance audit to check OpenAPI schema validity, JSON-RPC conformance, and HTTP 402 settlement headers before we launch?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol adherence, measured latency against SLA thresholds, OpenAPI schema validation findings, and HTTP 402 x402 v2 / IETF MPP settlement header correctness for the target URL.","failureModes":["Target URL unreachable or returns network error — audit fails with connectivity error","Target URL returns unexpected content type (e.g. HTML instead of JSON) — JSON-RPC compliance check fails","Malformed or missing URL parameter — request rejected with validation error","Target service too slow to respond — latency SLA flagged as failed","x402 headers absent or malformed — HTTP 402 compliance reported as non-conformant"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a specific remote agent, MCP server, or x402 paywall URL conforms to JSON-RPC, OpenAPI, HTTP 402 x402 v2, and IETF MPP protocol standards — especially before integrating a third-party agent endpoint or before launching your own. Prefer this over generic uptime monitors when protocol-level compliance (not just liveness) is what matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:39.525Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-d465bd7b"}