{"uid":"cap_VkPwmbRPdzLCEz0XNdhVA","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-2eccfa9f","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://whale-momentum.agentdiet.dev/v1/universal-mcp-gateway)","url":"https://whale-momentum.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_luAY0cdDiPM4Ylb8Nk-uc","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"whale-momentum.agentdiet.dev","brandSlug":"whale-momentum-agentdiet-dev-mpp","brandBaseUrl":"https://whale-momentum.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt safety filtering","exampleAgentPrompt":"Search the MCP tool index for any servers or A2A endpoints that handle 'company enrichment' or B2B lead data, and give me the best matches with compressed descriptions.","exampleUseCases":[{"title":"Finding the right tool for SEC filings","prompt":"I need to pull 10-K filings for a public company — search your MCP index for any tools that handle SEC EDGAR or financial document retrieval."},{"title":"Routing agent to GitHub audit capability","prompt":"Can you find me an MCP server or A2A tool that does GitHub security audits or repo code analysis? Search for 'github security' in the tool directory."},{"title":"Discovering context compression tools","prompt":"My agent is hitting token limits — search the tool index for any MCP servers that offer context compression or token-diet style summarization."}],"resultDescription":"Returns a filtered, token-compressed list of matching MCP servers and A2A tools relevant to the capability query, including endpoint metadata, descriptions, and safety-filtered routing information. Results are compressed to ~85% fewer tokens than raw tool listings.","failureModes":["Empty query string returns validation error (minLength:1 required)","No matching tools found for niche or very specific capability queries","Prompt-Guard firewall may block queries containing injection-like patterns","Upstream MCP server index may be stale or partially unavailable","HTTP 402 payment required if x402 micropayment not attached"],"whenToPreferThis":"Use 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 the right choice when building multi-agent swarms, when you don't know which tool handles a task, or when you need to verify whether a specific endpoint URL is live and compliant. Prefer it over manually maintaining a tool registry or querying individual MCP servers one by one.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:01.356Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}