{"uid":"cap_H6R1PA1EOhuif5ZZfJsC_","slug":"mcp-compiler-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-1fbc6d00","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/web-rag-shield-dag)","url":"https://mcp-compiler.agentdiet.dev/v1/web-rag-shield-dag?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_5mWenJ4Sv1B4ztuWDnxQI","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 across 500+ indexed MCP servers and A2A tools by capability query, returning token-compressed, firewall-filtered results with safe-proxy routing.","exampleAgentPrompt":"Search the MCP tool index for servers that handle 'SEC filings' or 'company enrichment' and return the best safe-proxied options with token-compressed descriptions.","exampleUseCases":[{"title":"Discovering GitHub security audit tools","prompt":"I need to find an MCP server that can do GitHub security audits — search the tool index for 'github security' and tell me what's available."},{"title":"Finding on-chain risk analysis capability","prompt":"Search the MCP and A2A tool registry for 'on-chain risk' capabilities — I want to know which tools can assess blockchain transaction risk for my agent pipeline."},{"title":"Locating context compression endpoints","prompt":"Can you search for MCP servers that do context compression or token reduction? I'm trying to reduce token usage in my swarm and need the best available tool."}],"resultDescription":"Returns a token-compressed (up to 85% reduction) list of matching MCP servers or A2A tools from a 500+ entry index, filtered through a Prompt-Guard firewall to block unsafe or injection-laden results. Includes tool metadata, capability descriptions, and safe-proxy routing information.","failureModes":["Missing or empty query parameter returns validation error","No matching tools found for an obscure capability query returns empty result set","Prompt-Guard firewall may block results flagged as containing injection patterns","Service may return partial results if upstream MCP servers are unavailable","Payment (x402) failure results in 402 response before results are returned"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool supports a given capability at runtime, rather than hardcoding tool integrations. Especially useful for swarm orchestration, meta-routing, or when building agents that need to self-assemble tool chains. Prefer this over manual MCP registry browsing when token efficiency and prompt-injection safety are priorities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:13.749Z","isFirstParty":false,"canonicalSlug":"mcp-compiler-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-3602c71e"}