{"uid":"cap_d92bA8NVk00420DEf9Jp5","slug":"polymarket-odds-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-3bab2b8a","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://polymarket-odds.agentdiet.dev/v1/tool-broker)","url":"https://polymarket-odds.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_WetFzCIO2CYHrzBJ2koDU","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"polymarket-odds.agentdiet.dev","brandSlug":"polymarket-odds-agentdiet-dev-mpp","brandBaseUrl":"https://polymarket-odds.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools by capability query, returning matching endpoints with token-compressed results through a Prompt-Guard firewall.","exampleAgentPrompt":"Search the MCP and A2A tool index for any servers that handle SEC filings or company enrichment — I want to find the best available tool for pulling financial data on public companies.","exampleUseCases":[{"title":"Agent swarm tool bootstrapping","prompt":"I'm building a multi-agent swarm and need to quickly find which MCP servers cover context compression and GitHub security audits — can you search the tool index and give me the best matches?"},{"title":"Safe proxy for unknown MCP endpoint","prompt":"Before my agent connects to this MCP endpoint at https://some-tool.example.com, can you verify it through the tool broker so I know it's safe and get a summary of what it does?"},{"title":"Capability gap discovery for automation pipeline","prompt":"My automation pipeline needs a tool for B2B lead enrichment — search the MCP and A2A index for anything that can do company data enrichment or domain OSINT and list the top options."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools ranked by relevance to the query, with 85% token-compressed capability descriptions, safety scores from the Prompt-Guard firewall, and metadata needed to connect or invoke each tool.","failureModes":["Empty query string returns validation error (minLength:1 required)","Query matches no indexed tools — returns empty results set","Endpoint URL verification fails if the target is unreachable or not a recognized MCP/A2A server","Rate limiting or payment failure (HTTP 402) if x402 payment is not supplied","Firewall blocks result if Prompt-Guard detects prompt injection in tool metadata"],"whenToPreferThis":"Use this endpoint when an agent needs to dynamically discover the right MCP server or A2A tool for a capability it doesn't already have a direct connection to, especially when operating in a multi-tool swarm context or when safety firewall filtering of third-party tools is required. Prefer this over maintaining a static tool list when the ecosystem is large or frequently changing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:01.104Z","isFirstParty":false,"canonicalSlug":"polymarket-odds-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0f5e9b14"}