{"uid":"cap_IltJ8rcyZ46yoKjdW10lb","slug":"prompt-guard-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-8e230be5","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://prompt-guard.agentdiet.dev/v1/mcp-security-scan)","url":"https://prompt-guard.agentdiet.dev/v1/mcp-security-scan?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_FG9nRrrdSyKJg6jgbyfg1","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"prompt-guard.agentdiet.dev","brandSlug":"prompt-guard-agentdiet-dev-mpp","brandBaseUrl":"https://prompt-guard.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Audits a remote A2A, MCP, or x402 service URL for JSON-RPC compliance, latency SLA adherence, OpenAPI schema validity, and HTTP 402 payment settlement headers.","exampleAgentPrompt":"Can you audit my MCP server at https://myagent.example.com/mcp for JSON-RPC compliance, latency SLA, and HTTP 402 payment header correctness?","exampleUseCases":[{"title":"Pre-launch MCP server compliance check","prompt":"Before I go live, can you run a full compliance audit on my MCP endpoint at https://staging.myapp.io/v1/mcp — I need to know if the JSON-RPC format is correct and whether the SLA latency looks acceptable?"},{"title":"x402 payment header verification","prompt":"I've set up an HTTP 402 payment wall on https://api.myservice.dev/premium — can you audit it to confirm the x402 settlement headers are properly structured and spec-compliant?"},{"title":"A2A agent endpoint health audit","prompt":"Something seems off with my A2A agent at https://agents.mybiz.com/a2a — can you check it for OpenAPI schema validity and JSON-RPC compliance so I can figure out what's broken?"}],"resultDescription":"Returns a structured compliance report covering: JSON-RPC protocol conformance, measured latency versus SLA thresholds, OpenAPI schema validity findings, and HTTP 402 / x402 payment header inspection results for the submitted URL.","failureModes":["Target URL is unreachable or times out — audit fails with connectivity error","Target URL returns malformed or non-JSON response — JSON-RPC compliance check fails","URL parameter missing or empty — request rejected with validation error","Target service blocks automated probes — results may be incomplete","Non-agent URL submitted (e.g. a plain website) — compliance checks return not-applicable or fail all checks"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that a specific A2A agent, MCP server, or x402-enabled service URL conforms to protocol standards — especially JSON-RPC structure, OpenAPI schema, HTTP 402 payment headers, and latency SLA. Prefer this over generic HTTP health checkers when the target is specifically an AI agent protocol endpoint and you need protocol-layer compliance details rather than simple uptime.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:27.416Z","isFirstParty":false,"canonicalSlug":"prompt-guard-agentdiet-dev-a2a-mcp-http-402-endpoint-sla-compliance-fe721720"}