{"uid":"cap_zlh9RDpIsQRIf9aQyK_ku","slug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-a785861e","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://defi-yield.agentdiet.dev/v1/execute)","url":"https://defi-yield.agentdiet.dev/v1/execute?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_rpXJSXg3cDTuRa38JaOPE","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"defi-yield.agentdiet.dev","brandSlug":"defi-yield-agentdiet-dev-mpp","brandBaseUrl":"https://defi-yield.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened tool metadata via a single connection","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that can do 'SEC filings' or 'company enrichment' — I want to see which servers are available and get their compressed schema so I can pick one to call.","exampleUseCases":[{"title":"Discover tools for GitHub security auditing","prompt":"Search the tool index for MCP servers that handle GitHub security audits — I need to find one with schema info so I can wire it into my pipeline."},{"title":"Find on-chain DeFi risk analysis tools","prompt":"Can you query the A2A and MCP tool discovery index for anything related to 'on-chain risk' or 'DEX token intelligence' so I know what's available to use?"},{"title":"Locate email verification agent endpoint","prompt":"Search the tool router for MCP or A2A endpoints that do email verification — show me what's indexed so I can pick the best one for my lead validation workflow."}],"resultDescription":"Returns a structured list of matching MCP servers and A2A tools from a 500+ entry index, with compressed tool schemas (85% token reduction), safety-filtered through a Prompt-Guard firewall, including routing metadata and capability descriptors.","failureModes":["Empty query string returns validation error","No matching tools found for niche query returns empty result set","Endpoint URL verification may fail if target is offline","Overly broad queries may return too many results to be actionable","Rate limiting or payment failure (HTTP 402) if $0.01 per-call credit is not available"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability rather than hardcoding tool URLs. It is especially useful for multi-agent swarm orchestration, building tool registries, or when you need token-efficient compressed schemas and Prompt-Guard safety filtering in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:49:18.855Z","isFirstParty":false,"canonicalSlug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b31cc8b3"}