{"uid":"cap_oTRuO6lXkTGdJswQeszF_","slug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-2742375f","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://serp-extract.agentdiet.dev/v1/broker/execute)","url":"https://serp-extract.agentdiet.dev/v1/broker/execute?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"limit":{"type":"integer","default":20,"maximum":100,"minimum":1,"description":"Maximum number of items to return per page (1-100)"},"query":{"type":"string","minLength":1,"description":"Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify"},"cursor":{"type":"string","description":"Opaque pagination cursor for fetching the next page"}}},"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_jWHVdVxIZ2b9CkNn3-PEQ","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes queries across 500+ indexed MCP servers and A2A tools via a single meta-broker endpoint with token compression and prompt firewall protection.","exampleAgentPrompt":"Search the agentdiet broker for MCP servers or A2A tools that handle SEC filings and company enrichment — I want to find the best matching capability available in the index.","exampleUseCases":[{"title":"Agent swarm capability discovery","prompt":"I'm building a multi-agent swarm and need to find which MCP servers in the index can handle GitHub security auditing — can you search the broker for that capability and list what's available?"},{"title":"Safe-proxy routing for context compression","prompt":"Find me an MCP tool from the agentdiet index that does context compression or token reduction, so I can route my agent's long prompts through it before sending to an LLM."},{"title":"Verify endpoint availability before routing","prompt":"Before my agent calls it, can you check the agentdiet broker to verify whether there's a registered MCP or A2A endpoint available for on-chain smart contract risk analysis?"}],"resultDescription":"Returns a JSON object containing matched MCP server entries or A2A tool descriptors relevant to the search query, including capability metadata, endpoint URLs, and compressed tool descriptions. May also return verification results when an endpoint URL is supplied as the query.","failureModes":["Empty or vague query returns no useful matches","Query too broad returns too many low-relevance results","Indexed endpoint may be stale or offline despite appearing in results","Payment failure via x402 if USDC balance is insufficient","Firewall (Prompt-Guard) may block or sanitize certain query strings","Non-existent capability queries return empty result set"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools support a given capability without hardcoding individual tool URLs. Ideal for swarm architectures where agents need to self-route to the right tool at runtime, or when you want a single integration point that covers 500+ tools with built-in token compression and prompt injection protection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:20.780Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8d70db86"}