{"uid":"cap_cpePQ5lPNKhJm6Gt3nEUZ","slug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-3dd7e99e","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://mcp-security.agentdiet.dev/v1/tool-broker)","url":"https://mcp-security.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_8RtGZ2KonZIuRhs3xPgYG","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-security.agentdiet.dev","brandSlug":"mcp-security-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-security.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ indexed MCP servers and A2A tools, returning token-compressed capability matches with built-in Prompt-Guard firewall protection.","exampleAgentPrompt":"Search the MCP tool broker for any indexed servers that can handle 'github security' and show me the top matches with their capability descriptions.","exampleUseCases":[{"title":"Agent swarm tool discovery","prompt":"I'm building an agent swarm and need to find all indexed MCP tools that can do B2B lead enrichment — search the tool broker and list what's available with descriptions."},{"title":"Verify an MCP endpoint URL","prompt":"Can you check whether this endpoint URL is listed and verified in the tool broker index: https://mcp-security.agentdiet.dev/v1/sec-filings?"},{"title":"Route agent to SEC filing capability","prompt":"My agent needs to pull 10-K filings — search the tool broker index for 'sec filings' and tell me which servers handle that so I can wire up the right connection."}],"resultDescription":"Returns a token-compressed list of matching MCP servers or A2A tools relevant to the query, including capability metadata, endpoint references, and Prompt-Guard-screened payloads to protect against prompt injection in third-party tool responses.","failureModes":["Empty query string returns validation error","No matching tools found for niche query returns empty result set","Endpoint URL verification returns not-found if URL not indexed","Rate limiting or 402 payment required if usage quota exceeded","Malformed query may return low-relevance results"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover the right tool or MCP server at runtime rather than hardcoding a specific integration. Ideal for agent swarms that need to route capability requests across a broad catalog, or when building a meta-agent that orchestrates other specialized agents. The built-in 85% token compression and Prompt-Guard firewall make it preferable over raw MCP catalogs when token efficiency and injection safety both matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:55.539Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-88de6323"}