{"uid":"cap_3ayMEVwvNoKHDBnZtpxa-","slug":"shopify-spy-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3537b896","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://shopify-spy.agentdiet.dev/v1/preflight/certify)","url":"https://shopify-spy.agentdiet.dev/v1/preflight/certify?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_sjlYqQSVU7uHmzBa86iq7","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"shopify-spy.agentdiet.dev","brandSlug":"shopify-spy-agentdiet-dev-mpp","brandBaseUrl":"https://shopify-spy.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote A2A agent, MCP server, or x402 URL for JSON-RPC compliance, latency SLA adherence, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you run a compliance audit on https://myagent.example.com/mcp and tell me whether it passes JSON-RPC spec, meets latency SLA, has a valid OpenAPI schema, and supports HTTP 402 payment headers?","exampleUseCases":[{"title":"Pre-production agent endpoint certification","prompt":"Before I add this new MCP server at https://tools.mycompany.ai/mcp to our production swarm, can you audit it for JSON-RPC compliance, latency SLA, and HTTP 402 header support so I know it's ready?"},{"title":"x402 payment header verification","prompt":"I just deployed an x402 payment endpoint at https://api.mybiz.dev/v1/pay — can you check whether it's returning the correct HTTP 402 settlement headers and passing the IETF MPP compliance checks?"},{"title":"Agent marketplace listing compliance check","prompt":"I want to list my A2A agent at https://agent.startup.io/a2a in a marketplace — can you run a full SLA and OpenAPI schema compliance audit on it so I can confirm it meets the protocol requirements?"}],"resultDescription":"Returns a structured compliance report indicating whether the target URL passes JSON-RPC protocol compliance, latency SLA thresholds, OpenAPI schema validity, and HTTP 402 settlement header requirements, along with any specific failures or warnings detected during the audit.","failureModes":["Target URL is unreachable or times out — audit fails with connectivity error","Invalid or malformed URL provided — returns validation error","Target endpoint returns non-standard or empty responses making compliance undeterminable","HTTP 402 headers absent or malformed — flagged as non-compliant but audit still returns","OpenAPI schema missing at target — schema check fails with absence warning","Rate limiting or firewall at target URL blocks probe requests"],"whenToPreferThis":"Use this endpoint when you need to verify that a specific A2A agent, MCP server, or x402-capable URL is protocol-compliant before integrating it into an agent workflow, listing it in a marketplace, or routing live traffic to it. Prefer it over manual inspection or generic HTTP checkers when you specifically need JSON-RPC, OpenAPI, HTTP 402, and latency SLA checks in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:20.276Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-03f404af"}