{"uid":"cap_A9djFAhw5fdEdbwzIX10R","slug":"mcp-compiler-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-2d6cbfb6","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://mcp-compiler.agentdiet.dev/v1/universal-mcp-gateway)","url":"https://mcp-compiler.agentdiet.dev/v1/universal-mcp-gateway?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_5xmFy_dAbF9mteGW7ZptU","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-compiler.agentdiet.dev","brandSlug":"mcp-compiler-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-compiler.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query and returns compressed, firewall-screened results via a single connection","exampleAgentPrompt":"Search the MCP tool index for servers that handle 'SEC filings' and show me the top matches with compressed metadata — I want to find the right tool to connect to without browsing hundreds of servers manually.","exampleUseCases":[{"title":"Swarm router for agent tool selection","prompt":"I'm building an AI agent swarm and need to find which MCP servers support 'context compression' — can you search the tool index and return the best matches so I know which endpoint to route my agents to?"},{"title":"Verifying a specific MCP endpoint URL","prompt":"Can you check if this MCP endpoint URL is legitimate and indexed: https://some-mcp-server.example.com — I want to verify it before wiring it into my agent pipeline."},{"title":"Capability discovery for B2B lead enrichment","prompt":"Search the A2A and MCP tool directory for anything related to 'company enrichment' or 'B2B leads' — I need to pick the right external tool for my sales automation agent."}],"resultDescription":"Returns a compressed (up to 85% token reduction), firewall-screened list of matching MCP servers and A2A tools relevant to the capability query, including tool names, endpoint metadata, and verification status where applicable.","failureModes":["Empty or too-vague query returns no useful matches","Queried endpoint URL not found in the index returns a not-found result","Rate limiting or payment failure (HTTP 402) if x402 payment is not attached","Prompt-Guard firewall may reject queries containing injection-like patterns","Index may not yet include newly published MCP servers"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to call for a given capability, rather than hardcoding a specific tool. It is especially useful in swarm architectures, meta-agent routers, or when building systems that need to adapt to a changing landscape of 500+ tools without managing individual integrations. Prefer it over manually curated tool lists when breadth of discovery and token-efficient responses matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:27.605Z","isFirstParty":false,"canonicalSlug":"mcp-compiler-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-3602c71e"}