{"uid":"cap_yfsK0WtP-UU0QTHC4xgyq","slug":"workflows-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-e4b1fb89","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/x402-mpp-paywall-verifier)","url":"https://workflows.agentdiet.dev/v1/x402-mpp-paywall-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_ht3uaBYTC9AAqvxA6VTNr","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, or x402 service URL for JSON-RPC compliance, latency SLA, OpenAPI schema validity, and HTTP 402 payment settlement headers","exampleAgentPrompt":"Can you audit https://myagent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 x402 payment header support?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I ship my new MCP server at https://mcp.mycompany.ai/v1, can you audit it for JSON-RPC compliance, OpenAPI schema validity, and whether it correctly returns HTTP 402 x402 headers?"},{"title":"Third-party A2A agent SLA verification","prompt":"I'm integrating a third-party agent at https://partner-agent.io/a2a — can you audit it for latency SLA and protocol compliance before I wire it into my production swarm?"},{"title":"x402 paywall header audit on a marketplace listing","prompt":"I submitted my API to an x402 marketplace and want to make sure the paywall is correctly configured — can you audit https://api.agentmarket.dev/v1/my-endpoint for proper HTTP 402 settlement headers and IETF MPP compliance?"}],"resultDescription":"Returns a structured audit report covering JSON-RPC protocol compliance, measured latency vs SLA thresholds, OpenAPI schema validation results, and HTTP 402 x402 settlement header presence and correctness for the target URL","failureModes":["Target URL unreachable or times out — audit cannot be completed","Invalid or malformed URL provided — returns validation error","Target service does not expose expected protocol headers — partial audit result with missing fields","Rate limiting or firewall on target URL blocks probe requests","x402 headers absent or malformed — reported as non-compliant rather than an error"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a remote A2A agent, MCP server, or x402 API is correctly implementing JSON-RPC, HTTP 402 payment headers, latency SLAs, and OpenAPI schemas — especially before integrating a third-party agent into a production swarm or listing a service on an agent marketplace","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:21.641Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-17c63f1a"}