{"uid":"cap_h5UwU2NsLx-UWVaxuluBQ","slug":"workflows-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-b8e0568e","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/preflight)","url":"https://workflows.agentdiet.dev/v1/preflight?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_23vCLrT6pBFTzaf9a5cW3","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 a given A2A, MCP, or x402 service URL for JSON-RPC compliance, latency SLA, 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 if it's JSON-RPC compliant, what its latency SLA looks like, and whether it has valid HTTP 402 payment headers?","exampleUseCases":[{"title":"Pre-integration MCP server check","prompt":"Before I add this MCP server at https://tools.example.com/mcp to my agent stack, can you audit it for JSON-RPC compliance, OpenAPI schema validity, and HTTP 402 support?"},{"title":"HTTP 402 payment header verification","prompt":"I've built an x402-enabled endpoint at https://api.mybusiness.dev/v1/tool — can you check whether it's returning the right HTTP 402 settlement headers and that the payment flow is set up correctly?"},{"title":"Agent SLA latency spot-check","prompt":"I need to know if the A2A agent running at https://agents.partner.io/a2a is meeting latency SLA thresholds and is actually responding with valid JSON-RPC — can you probe it and give me a compliance report?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC protocol adherence, measured latency against SLA thresholds, OpenAPI schema validation findings, and analysis of HTTP 402 payment settlement headers for the target URL","failureModes":["Target URL is unreachable or times out — returns error with connection failure details","Target URL does not implement any recognized protocol (A2A/MCP/x402) — returns non-compliant status","Malformed or missing URL parameter — returns validation error","Target service returns unexpected HTTP errors (5xx) — report flags as SLA failure","HTTP 402 headers absent or malformed — flagged as payment compliance failure"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that a third-party or self-hosted A2A agent, MCP server, or x402-enabled service meets protocol compliance standards before integrating it, routing traffic to it, or listing it in a marketplace. It is specifically suited for agents that need to gate-check remote tool endpoints for JSON-RPC correctness, latency SLAs, and HTTP 402 payment header validity in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:04.941Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-17c63f1a"}