{"uid":"cap_9Whl4u6ejgR4WklCNm8B8","slug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-552f0b86","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/universal-mcp-gateway)","url":"https://defi-yield.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_q8KecLuw6TEh1g0x6mE-h","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 and routes to 500+ MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt-injection firewall.","exampleAgentPrompt":"Search the MCP and A2A tool registry for anything that can do 'company enrichment' — I want to find the best available tool I can route to for that capability.","exampleUseCases":[{"title":"Finding tools for SEC filing research","prompt":"Search the MCP tool registry for anything related to 'SEC filings' — I need to find an available A2A or MCP server my agent can call to pull financial disclosures."},{"title":"Discovering context compression tools","prompt":"Can you search the universal MCP gateway for tools that do 'context compression'? I want to reduce token usage in my agent pipeline and need to find the right server to route to."},{"title":"Routing to GitHub security audit capability","prompt":"Look up what MCP or A2A tools are available for 'GitHub security' in the tool registry — I'm building an agent that needs to audit repos and I want to find the right endpoint to connect to."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools ranked by relevance to the query, including tool metadata, endpoint URLs, and compressed capability descriptions, filtered through a Prompt-Guard firewall to prevent injection attacks.","failureModes":["No matching tools found for the given query — returns empty result set","Query string too vague — returns low-confidence or irrelevant tool matches","Downstream MCP server unavailable — routing fails with connectivity error","Prompt-Guard firewall blocks query flagged as potential injection attempt","Payment not processed (x402) — request rejected before tool search executes"],"whenToPreferThis":"Use this endpoint when an agent needs to dynamically discover which MCP server or A2A tool to use for a given capability, rather than hardcoding a specific tool. Ideal for swarm architectures where agents must self-route to the best available tool across a large registry, or when building meta-agents that orchestrate other agents. Prefer this over manually curating tool lists when the required capability may be served by multiple providers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:34.146Z","isFirstParty":false,"canonicalSlug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b31cc8b3"}