{"uid":"cap_Q4QZa00-TpzOW9DZLu0Is","slug":"mcp-security-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-4ce49d8e","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/preflight)","url":"https://mcp-security.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_fNHJmJn0lf7hONdlmdaN-","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 A2A 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://mcp-security.agentdiet.dev/v1/preflight and tell me if it's JSON-RPC compliant, whether it meets latency SLA, and if the HTTP 402 x402 settlement headers are properly configured?","exampleUseCases":[{"title":"Pre-deployment MCP server compliance check","prompt":"Before I add this new MCP server at https://tools.myagent.ai/mcp to my agent fleet, can you audit it for JSON-RPC compliance, latency SLA, and proper HTTP 402 payment headers?"},{"title":"x402 payment header verification","prompt":"I'm building an x402-enabled API at https://api.myservice.dev/v1/execute — can you check whether the HTTP 402 settlement headers are correctly set up according to the x402 v2 spec?"},{"title":"A2A agent endpoint health audit","prompt":"We just deployed an A2A agent endpoint at https://agents.company.com/worker — can you audit it for protocol compliance, OpenAPI schema validity, and latency SLA before we route live traffic to it?"}],"resultDescription":"Returns a structured compliance report including JSON-RPC spec adherence, measured latency vs SLA thresholds, OpenAPI schema validation results, and HTTP 402 / x402 v2 settlement header presence and correctness for the target URL.","failureModes":["Target URL is unreachable or returns a non-2xx/402 status — audit fails with connectivity error","Malformed or missing URL parameter — returns validation error","Target service has no OpenAPI schema exposed — schema check returns not-found","Latency measurement times out if target is slow or unresponsive","x402 headers absent or malformed — reported as non-compliant rather than erroring"],"whenToPreferThis":"Choose this endpoint when you need to verify that a specific remote agent, MCP server, or x402-enabled API is correctly implementing JSON-RPC, latency SLAs, OpenAPI schemas, and HTTP 402 payment settlement headers before integrating it into an autonomous agent workflow or swarm. It is specifically designed for A2A/MCP/x402 protocol compliance, not generic HTTP health checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:16.971Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-d465bd7b"}