{"uid":"cap_4N0KZez7mKy5ysbBa9bsd","slug":"llms-generator-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-88232279","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://llms-generator.agentdiet.dev/v1/tool-broker)","url":"https://llms-generator.agentdiet.dev/v1/tool-broker?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_jjGYxkhNBSMXtAUT3f80H","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"llms-generator.agentdiet.dev","brandSlug":"llms-generator-agentdiet-dev-mpp","brandBaseUrl":"https://llms-generator.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A agent tools by capability query, returning compressed, firewall-filtered results via a single meta-router connection.","exampleAgentPrompt":"Search the MCP tool broker for any servers that support context compression or token reduction — I want to find a tool I can route my agent calls through.","exampleUseCases":[{"title":"Discover tools for SEC filing retrieval","prompt":"Can you search the tool broker for any MCP servers or A2A agents that handle SEC filings or financial document retrieval? I need to wire one into my research pipeline."},{"title":"Find a GitHub security audit tool","prompt":"Search the meta-router index for tools that can do GitHub security audits or code vulnerability scanning — I want to discover what's available and route through the safest one."},{"title":"Route agent calls through a safe proxy","prompt":"I need to find a prompt-guard-protected proxy in the tool broker that I can use to safely route my swarm's outbound agent calls — search for 'safe proxy' or 'prompt firewall' tools."}],"resultDescription":"Returns a compressed, token-efficient list of matching MCP servers and A2A tools from a 500+ entry index, filtered through a Prompt-Guard firewall, with routing metadata enabling direct downstream invocation. The response object contains matched tool descriptors, capability summaries, and proxy routing hints.","failureModes":["Empty query string returns validation error (query minLength:1)","No matching tools found for highly specific or novel capability queries","Prompt-Guard firewall may block or sanitize queries containing adversarial content","Upstream MCP server index may be stale if providers have changed endpoints","HTTP 402 payment required if x402 micropayment header is missing or invalid","Ambiguous queries may return loosely relevant tools requiring further filtering"],"whenToPreferThis":"Choose this endpoint when you need to discover or route to one of many MCP servers or A2A tools without managing individual connections — especially when token budget is constrained (85% compression), when safety filtering of tool outputs matters, or when building a multi-agent swarm that needs dynamic tool lookup. Prefer this over direct MCP server connections when the target tool is unknown and needs to be searched by capability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:01.360Z","isFirstParty":false,"canonicalSlug":"llms-generator-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-bd121bd2"}