{"uid":"cap_SyDmLqnikyoAa3mDBsluw","slug":"workflows-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-c4fb1e3d","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://workflows.agentdiet.dev/v1/paywall-check)","url":"https://workflows.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_CJpLfwdVQjy80bGpHHlSP","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"workflows.agentdiet.dev","brandSlug":"workflows-agentdiet-dev-mpp","brandBaseUrl":"https://workflows.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits any A2A agent, MCP server, or x402-enabled URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit https://api.myagent.ai/mcp to check if it's JSON-RPC compliant, meets latency SLAs, has a valid OpenAPI schema, and supports HTTP 402 payment headers?","exampleUseCases":[{"title":"Pre-integration MCP server compliance check","prompt":"Before I connect this MCP server at https://tools.myprovider.com/mcp into my agent swarm, can you audit it for JSON-RPC compliance, latency SLA, and whether it exposes proper HTTP 402 headers?"},{"title":"x402 paywall header verification","prompt":"I built an x402-enabled API at https://api.myservice.dev/v1/data — can you check if the HTTP 402 settlement headers and payment flow are set up correctly according to x402 v2 spec?"},{"title":"A2A agent endpoint health audit","prompt":"Run a full SLA compliance audit on my A2A agent at https://agents.mycompany.io/v2/orchestrate — I need to know if it passes JSON-RPC validation, has acceptable latency, and has a valid OpenAPI schema."}],"resultDescription":"Returns a compliance audit report covering JSON-RPC protocol conformance, measured latency against SLA thresholds, OpenAPI schema validity, and presence/correctness of HTTP 402 payment settlement headers for the target URL.","failureModes":["Target URL is unreachable or times out — audit fails with connectivity error","Target URL does not implement any recognized protocol (A2A, MCP, or x402) — compliance check returns non-compliant with no partial results","Malformed or missing URL parameter — request rejected with validation error","Target service returns unexpected HTTP status codes that block audit probes"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that an A2A agent, MCP server, or x402-enabled API is correctly implementing relevant protocol standards before integrating it into a workflow. It is especially valuable when validating HTTP 402 payment header compliance (x402 v2), confirming JSON-RPC correctness, or checking latency SLA before production deployment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:49:58.153Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-17c63f1a"}