{"uid":"cap_4oAfLsPlYnQzelml0L7CS","slug":"github-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0d170b6c","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://github-audit.agentdiet.dev/v1/broker/catalog)","url":"https://github-audit.agentdiet.dev/v1/broker/catalog?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_jYubCL9r33_-fP6_sP6nY","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"github-audit.agentdiet.dev","brandSlug":"github-audit-agentdiet-dev-mpp","brandBaseUrl":"https://github-audit.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a catalog of 500+ MCP servers and A2A tools using a natural language query, returning compressed, firewall-screened capability matches","exampleAgentPrompt":"Search the MCP and A2A tool catalog for anything that handles SEC filings or company financial data — I want to find the right tool to plug into my agent.","exampleUseCases":[{"title":"Discovering SEC filings tools for finance agent","prompt":"Search the agent tool catalog for MCP servers or A2A tools that can pull SEC filings or financial disclosures — I'm building a finance research agent and need to know what's available."},{"title":"Finding GitHub security audit capability","prompt":"I need to add GitHub security auditing to my agent swarm — search the catalog for any MCP tools or A2A endpoints that do GitHub code scanning or repo risk analysis."},{"title":"Locating email verification endpoint for lead pipeline","prompt":"Search the tool catalog for any MCP servers that handle email verification or B2B lead enrichment — I want to wire one into my outreach automation agent."}],"resultDescription":"A catalog response listing matched MCP servers and A2A tools relevant to the query, with metadata such as capability descriptions and endpoint details, compressed by approximately 85% for token efficiency and screened through a Prompt-Guard firewall for safety.","failureModes":["Empty query string returns a validation error (minLength:1 required)","Query matches no tools in the catalog, returning an empty result set","Upstream catalog index is stale or temporarily unavailable, causing incomplete results","Malformed or unrecognized endpoint URL provided for verification returns no match","Rate limiting or payment failure (x402) blocks the request"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP servers or A2A tools exist for a given capability without querying each tool individually — especially when building or expanding an agent swarm and needing a single connection point with built-in token compression and prompt injection protection. Prefer over manual catalog browsing or individual server probing when breadth of discovery (500+ indexed tools) and safety filtering matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:31.909Z","isFirstParty":false,"canonicalSlug":"github-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-b9feed5d"}