{"uid":"cap_PuX2kFCE48SJTvaEN-8wv","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-bda72ec1","name":"Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router","description":"Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall. (Live x402 v2, IETF MPP & MCP endpoint at https://domain-osint.agentdiet.dev/api/mcp/audit)","url":"https://domain-osint.agentdiet.dev/api/mcp/audit?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"query":{"type":"string","minLength":1,"description":"Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify"}}},"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_oKckiF4T9Pae0j-GVUsmm","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"domain-osint.agentdiet.dev","brandSlug":"domain-osint-agentdiet-dev-mpp","brandBaseUrl":"https://domain-osint.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ indexed MCP servers and A2A tools by capability query, returning compressed, firewall-filtered results via a single meta-router connection.","exampleAgentPrompt":"Search the MCP and A2A tool index for tools that can do 'company enrichment' — I want to see what's available across all indexed servers so I can pick the best one for my agent pipeline.","exampleUseCases":[{"title":"Discover tools for SEC filings","prompt":"Can you search the MCP tool index for anything that handles SEC filings or financial document retrieval? I want to wire the best tool into my research agent."},{"title":"Verify a known endpoint URL","prompt":"Check whether https://example.com/api/mcp/tool is a recognized MCP or A2A endpoint in your index — I want to confirm it's legit before my agent starts calling it."},{"title":"Find context compression tools","prompt":"Search the A2A and MCP tool catalog for anything related to context compression or token reduction — I'm trying to cut down my agent's prompt costs."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the capability query, including tool metadata, routing info, and compressed capability descriptions filtered through the Prompt-Guard firewall.","failureModes":["Empty or whitespace query returns validation error","No matching tools found for niche or misspelled capability query","Endpoint URL verification returns unknown if URL is not indexed","Rate limiting or 402 payment required if per-call quota exceeded","Firewall may block queries flagged as prompt injection attempts"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover, verify, or route to MCP or A2A tools at runtime across a large indexed catalog — especially useful for agent orchestration layers, swarm routers, or when the right downstream tool is not known in advance. Prefer this over direct tool calls when you need 85% token-compressed capability metadata or want firewall-safe tool discovery.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:35:48.052Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}