{"uid":"cap_r2LakM22Ciea_dmCodoxa","slug":"shopify-spy-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-fe55298f","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/paywall-check)","url":"https://shopify-spy.agentdiet.dev/v1/paywall-check?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_GEmVBkLEbmqWjChoPT8hT","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 validity, and HTTP 402 payment settlement headers.","exampleAgentPrompt":"Can you audit my MCP server at https://my-agent.example.com/mcp and tell me if it's JSON-RPC compliant, what its latency looks like, and whether it has proper HTTP 402 payment headers set up?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, can you audit my MCP endpoint at https://tools.mycompany.ai/v1/mcp and tell me if it passes JSON-RPC compliance, has valid OpenAPI schema, and responds within SLA?"},{"title":"HTTP 402 payment header validation","prompt":"I've set up an x402 paywall at https://api.myservice.dev/paywall — can you check whether the HTTP 402 settlement headers are correctly configured and the endpoint is compliant with the x402 v2 spec?"},{"title":"Third-party A2A agent SLA audit","prompt":"I'm evaluating a vendor's A2A agent at https://vendor-agent.example.com/api — can you probe it for latency SLA, JSON-RPC correctness, and OpenAPI schema validity so I know if it's production-ready?"}],"resultDescription":"Returns a compliance audit report covering JSON-RPC protocol adherence, measured latency against SLA thresholds, OpenAPI schema validation results, and HTTP 402 payment settlement header inspection for the provided target URL.","failureModes":["Target URL is unreachable or returns a network timeout","Malformed or non-HTTP URL provided","Target service blocks probe requests (e.g. firewall or rate limiting)","Target returns unexpected content type that cannot be parsed for compliance","Ambiguous or partial HTTP 402 headers preventing full settlement analysis"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a remote MCP server, A2A agent, or x402-paywalled API conforms to protocol standards — specifically JSON-RPC compliance, HTTP 402 payment header correctness, latency SLA, and OpenAPI schema validity — rather than doing a general uptime ping or full security vulnerability scan.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:57.418Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-03f404af"}