{"uid":"cap_Zd0MeH2icM-NpI8senE0K","slug":"polymarket-odds-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-1effea7b","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/agent-tool-marketplace)","url":"https://polymarket-odds.agentdiet.dev/v1/agent-tool-marketplace?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_QsNFd8LupUJOKcOWhBFQA","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 and routes to 500+ MCP servers and A2A tools via a single connection, with token-compressed responses and a Prompt-Guard firewall.","exampleAgentPrompt":"Search the MCP and A2A tool marketplace for capabilities related to 'company enrichment' and show me what tools are available.","exampleUseCases":[{"title":"Finding an agent for SEC filings","prompt":"Can you search the agent tool marketplace for MCP servers or A2A tools that handle SEC filings retrieval? I want to know what's available before I wire up my research pipeline."},{"title":"Discovering GitHub security audit tools","prompt":"Look up tools in the MCP marketplace that can do GitHub security audits — I need to find the right endpoint to plug into my code review agent."},{"title":"Locating context compression agents","prompt":"Search the A2A and MCP tool index for anything related to context compression — I want to reduce token usage in my agent swarm and need to find what's available."}],"resultDescription":"Returns a list of matching MCP servers and A2A agent tools relevant to the query, with token-compressed metadata (85% compression claimed), including endpoint URLs, capability descriptions, and routing information filtered through a Prompt-Guard firewall.","failureModes":["Missing or empty 'query' parameter returns a validation error","Query matches no indexed tools, returning an empty result set","Downstream MCP server or A2A tool is unreachable, causing partial results","Payment (x402) not completed results in HTTP 402 response","Firewall (Prompt-Guard) blocks a query it flags as unsafe"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which external MCP servers or A2A tools are available for a given capability, rather than hardcoding tool URLs. It is especially useful for swarm orchestrators that need a single integration point to access 500+ tools, want token-efficient tool metadata, or require prompt injection protection via a built-in firewall.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:35:19.412Z","isFirstParty":false,"canonicalSlug":"polymarket-odds-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0f5e9b14"}