{"uid":"cap_zmKtNlFZBSY38HJkDuO9X","slug":"mcp-security-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-4385af38","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/usdc-quote-audit)","url":"https://mcp-security.agentdiet.dev/v1/usdc-quote-audit?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_-8WR1vAylMCFXshb2Ihud","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 any remote A2A, 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.myagent.dev/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 settlement header correctness and tell me if it passes?","exampleUseCases":[{"title":"Pre-deployment MCP server compliance check","prompt":"Before I go live, can you audit my MCP server at https://tools.mycompany.ai/mcp and tell me whether it passes JSON-RPC spec, has acceptable latency, and has the right HTTP 402 headers?"},{"title":"Third-party A2A agent due diligence","prompt":"I'm thinking of integrating with an external A2A agent at https://partner-agents.xyz/v1/agent — can you audit it for protocol compliance and SLA before I commit?"},{"title":"x402 payment endpoint validation","prompt":"I built an x402 USDC payment endpoint at https://payments.mybiz.io/v2/settle — can you check whether the HTTP 402 settlement headers and payment flow are correctly implemented per the spec?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol adherence, measured latency against SLA thresholds, OpenAPI schema validity, and HTTP 402 payment settlement header correctness for the target URL","failureModes":["Target URL unreachable or returns non-2xx/402 status — audit fails with connectivity error","Malformed or non-JSON-RPC response from target — flagged as non-compliant","Target URL does not expose an OpenAPI schema — schema validation step skipped or error returned","Latency exceeds auditable timeout window — SLA result marked as failing","Invalid or missing url parameter — 400 bad request"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a remote A2A agent, MCP server, or x402 payment endpoint correctly implements protocol standards — especially JSON-RPC compliance, OpenAPI schema validity, latency SLAs, and HTTP 402 settlement headers — before integrating with or depending on that service in an agentic workflow","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:22.759Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-d465bd7b"}