{"uid":"cap_oersDAkLKGEFfj0I5dUsP","slug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-00360ba7","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/security-audit-dag)","url":"https://serp-extract.agentdiet.dev/v1/security-audit-dag?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_gbdYr2Fhr9PmZvNaU7Vnn","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 across 500+ indexed MCP servers and A2A tools via a single connection, returning token-compressed capability matches with prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for any available servers or endpoints that handle SEC filings or company enrichment, and return the best matches with their capabilities compressed for token efficiency.","exampleUseCases":[{"title":"Swarm agent tool routing for B2B enrichment","prompt":"I need my agent swarm to find the right MCP tool for B2B lead enrichment — can you search the tool index and route me to the best available server?"},{"title":"Capability discovery for on-chain risk analysis","prompt":"What MCP servers or A2A tools are available for on-chain risk or smart contract security? Search the index and give me the top matches."},{"title":"Finding a context compression tool for my agent pipeline","prompt":"My agent pipeline is hitting token limits — can you search for any MCP servers that specialize in context compression and return the best options?"}],"resultDescription":"A token-compressed list of matching MCP servers and A2A tool endpoints relevant to the query, including capability descriptions, endpoint URLs, and any prompt-injection firewall flags raised during safe-proxy routing.","failureModes":["Missing or empty query parameter returns 400 error","No matching tools found returns empty result set","Endpoint URL verification fails if the target is offline or non-compliant","Prompt-Guard firewall may block or flag suspicious query content","Payment required (HTTP 402) if x402 micropayment not provided"],"whenToPreferThis":"Use this endpoint when an agent needs to discover which of 500+ MCP servers or A2A tools supports a specific capability without individually querying each one; especially valuable for swarm orchestration, dynamic tool routing, or when token budget is constrained and 85% compression matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:46:29.639Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8d70db86"}