{"uid":"cap_8_S0crWK1d__CSND-Nms_","slug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-9ae0e0c9","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://arxiv-digest.agentdiet.dev/v1/mpp-verifier)","url":"https://arxiv-digest.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_fBtKvFQYLgVrj5ZBLM1yg","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"arxiv-digest.agentdiet.dev","brandSlug":"arxiv-digest-agentdiet-dev-mpp","brandBaseUrl":"https://arxiv-digest.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote A2A, 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, whether it meets latency SLA, and whether it handles HTTP 402 payment headers correctly?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, can you audit https://my-mcp-tool.example.com/v1/tools and confirm it's properly JSON-RPC compliant, has a valid OpenAPI schema, and supports x402 HTTP 402 settlement headers?"},{"title":"Diagnosing HTTP 402 payment header failures","prompt":"My agent endpoint at https://payments.myservice.ai/v2/agent keeps failing payment flows — can you run a compliance audit on it to check if the HTTP 402 and x402 settlement headers are configured correctly?"},{"title":"SLA latency validation for an A2A endpoint","prompt":"I need to verify that the A2A service at https://router.agentfleet.io/a2a is responding within acceptable latency SLA bounds and is fully A2A protocol-compliant — can you run an audit on it?"}],"resultDescription":"Returns a structured compliance report covering JSON-RPC correctness, latency SLA metrics, OpenAPI schema validity, and HTTP 402 / x402 payment settlement header conformance for the submitted URL.","failureModes":["Target URL is unreachable or times out — returns error indicating connection failure","Target URL is not a valid A2A, MCP, or x402 endpoint — returns non-compliance report","Missing required 'url' parameter — returns validation error","Target service returns malformed or unexpected responses — partial compliance data returned","Payment settlement (HTTP 402) not implemented on target — reported as non-compliant"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that a remote agent, MCP server, or x402-capable API meets protocol compliance standards before integrating it into a production agent workflow. Especially useful when validating HTTP 402 payment header support (x402 v2), IETF MPP conformance, or JSON-RPC correctness on endpoints you did not build yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:11.506Z","isFirstParty":false,"canonicalSlug":"arxiv-digest-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-9c312255"}