{"uid":"cap_H3XbxVVkAGKvmQqLSjdi6","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-967d02b6","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/tool-broker)","url":"https://whale-momentum.agentdiet.dev/v1/tool-broker?utm_source=zero.xyz","method":"POST","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_03uHpwvE0npnP2d-pfWAH","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 an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened tool metadata through a single connection.","exampleAgentPrompt":"Search the MCP tool index for anything that handles SEC filings or company enrichment — I want to find the best available tool and see a compressed summary of what it can do.","exampleUseCases":[{"title":"Swarm agent tool routing","prompt":"My agent swarm needs to pick the right MCP tool for GitHub security audits — can you search the tool broker index and tell me which server handles that, with a compressed capability summary?"},{"title":"Discovering context compression tools","prompt":"Find me any MCP servers in the index that specialize in context compression or token reduction — I want to see what's available and how they work."},{"title":"Verifying a suspicious MCP endpoint","prompt":"I have this MCP endpoint URL I want to use but I'm not sure if it's safe — can you run it through the tool broker's prompt-guard firewall and tell me if it passes?"}],"resultDescription":"Returns a structured object listing matched MCP servers or A2A tools relevant to the query, with 85% token-compressed capability descriptions, safety-screened metadata via the Prompt-Guard firewall, and routing recommendations for which tool best satisfies the requested capability.","failureModes":["Empty query string returns validation error (minLength:1)","Query matches no indexed tools — returns empty result set","Downstream MCP server unreachable — partial or degraded results","Prompt-Guard firewall blocks a tool flagged as malicious — tool excluded from results","Payment not settled via x402 — 402 Payment Required response"],"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 tool URL. Especially valuable in multi-agent swarms, when the right tool is unknown at design time, when token budget is tight (85% compression), or when untrusted tool sources need firewall screening before use.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:36:01.151Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}