{"uid":"cap_X6oCsPuO0OqFwn5orGqPr","slug":"onchain-risk-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-8a966155","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://onchain-risk.agentdiet.dev/v1/preflight)","url":"https://onchain-risk.agentdiet.dev/v1/preflight?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_dnITtuZOOk6xKRMIfxYbG","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"onchain-risk.agentdiet.dev","brandSlug":"onchain-risk-agentdiet-dev-mpp","brandBaseUrl":"https://onchain-risk.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote agent, MCP, or x402 service URL for JSON-RPC compliance, latency SLA adherence, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit the endpoint at https://myagent.example.com/mcp and tell me if it's properly JSON-RPC compliant, within latency SLA, and whether it has the right HTTP 402 payment headers set up?","exampleUseCases":[{"title":"Pre-deployment agent endpoint audit","prompt":"Before I launch my new MCP server at https://staging.myagent.dev/mcp, can you run a full compliance audit on it — check JSON-RPC format, latency SLA, and HTTP 402 settlement headers?"},{"title":"Third-party A2A service vetting","prompt":"I'm about to integrate a third-party agent service at https://partner-api.example.com/a2a — can you verify it meets JSON-RPC compliance, passes SLA, and supports x402 payment headers before I commit to using it?"},{"title":"Ongoing x402 payment header monitoring","prompt":"Check whether https://payments.myplatform.io/v1/agent still has valid HTTP 402 x402 settlement headers and is passing its latency SLA — I want to make sure nothing broke after yesterday's deploy."}],"resultDescription":"Returns a structured compliance report covering: JSON-RPC protocol conformance, measured latency vs SLA thresholds, OpenAPI schema validation results, and presence/validity of HTTP 402 (x402) payment settlement headers for the target URL","failureModes":["Target URL is unreachable or times out — returns connectivity error","Target URL does not implement any recognized protocol (A2A, MCP, x402) — returns protocol mismatch","Missing required 'url' parameter — returns 400 bad request","Target URL returns non-standard responses that cannot be parsed for compliance — returns analysis failure","Rate limiting or payment required (HTTP 402) if call quota exceeded"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that an A2A agent, MCP server, or x402-enabled service URL meets protocol compliance standards before integration or deployment. It is especially useful for automated CI/CD pipelines validating agent endpoints, marketplace onboarding checks, or ongoing SLA monitoring of third-party agent services. Prefer this over manual curl-based checks when you need structured, machine-readable compliance results covering JSON-RPC, OpenAPI schema, latency, and HTTP 402 payment headers in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:48:36.775Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-8a966155"}