{"uid":"cap_Soe8WYoqG8Zm4A6EJN2Gr","slug":"shopify-spy-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-3b4f4d33","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/mpp-verifier)","url":"https://shopify-spy.agentdiet.dev/v1/mpp-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_VCO3fPMDhbSvWfPYRRP80","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 any remote agent, MCP, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema presence, and HTTP 402 payment settlement headers.","exampleAgentPrompt":"Can you audit https://myagent.example.com/mcp to check whether it's properly JSON-RPC compliant, passes latency SLA, has a valid OpenAPI schema, and returns correct HTTP 402 payment settlement headers?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, can you audit my MCP server at https://api.myproduct.dev/mcp and tell me if it's JSON-RPC compliant, has the right x402 payment headers, and meets latency SLA?"},{"title":"Third-party agent integration vetting","prompt":"I'm about to integrate with a vendor's A2A endpoint at https://vendor-agent.io/v1/agent — can you audit it for proper JSON-RPC compliance, OpenAPI schema, and HTTP 402 settlement header support before I commit?"},{"title":"Continuous x402 payment header validation","prompt":"Can you check if https://payments.myservice.com/v1/pay is correctly returning HTTP 402 headers and passing x402 v2 compliance so I know the micropayment flow will work for my agents?"}],"resultDescription":"Returns a compliance report detailing JSON-RPC validity, measured latency against SLA thresholds, presence and correctness of OpenAPI schema, and HTTP 402 / x402 payment settlement header status for the target URL.","failureModes":["Target URL is unreachable or times out — returns connectivity error","Target URL is not a valid A2A/MCP/x402 endpoint — returns protocol mismatch error","Missing required 'url' parameter — returns validation error","Target URL returns unexpected HTTP status codes — flagged in compliance report","TLS or certificate errors on the target URL — may cause audit failure"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that a remote agent, MCP server, or x402-enabled service actually conforms to protocol standards — including JSON-RPC format, HTTP 402 payment headers, latency SLA, and OpenAPI schema — rather than simply checking reachability or performing a generic HTTP health check.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:46.794Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-03f404af"}