{"uid":"cap_Lmb_sfZjXyDgfGeJuOcDy","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-37e79111","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://domain-osint.agentdiet.dev/v1/tool-broker)","url":"https://domain-osint.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_0hQ2CKr_eELc04xCi4F9x","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"domain-osint.agentdiet.dev","brandSlug":"domain-osint-agentdiet-dev-mpp","brandBaseUrl":"https://domain-osint.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query, returning compressed tool metadata through a prompt-guarded meta-router","exampleAgentPrompt":"Search the MCP and A2A tool index for any servers or agents that support 'company enrichment' — I want to find the best available tool I can route to for that capability.","exampleUseCases":[{"title":"Find tools for GitHub security auditing","prompt":"Search the tool broker for any MCP servers or A2A agents that can do GitHub security audits — I need to know which ones are available so I can wire them into my pipeline."},{"title":"Discover SEC filings capability","prompt":"Look up what tools are indexed under 'sec filings' so I can find an MCP server my agent can call to retrieve SEC documents for public companies."},{"title":"Locate context compression endpoints","prompt":"Can you query the tool discovery router for anything that supports context compression? I want to reduce token usage in my agent swarm and need to find the right MCP endpoint for that."}],"resultDescription":"Returns a list of matching MCP servers or A2A tool entries relevant to the query, with compressed metadata (up to 85% token reduction) about each tool's capabilities, endpoint URLs, and routing details, filtered through a Prompt-Guard firewall to block malicious payloads.","failureModes":["Empty query string returns validation error","No matching tools found for obscure capability queries returns empty result set","Endpoint URL verification may fail if remote server is offline","Rate limiting or payment failure (HTTP 402) if usage quota exceeded","Prompt-Guard may block queries that resemble injection attempts"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools support a given capability without hardcoding individual endpoints — especially useful for swarm orchestrators, meta-agents, or pipelines that need to self-configure by finding the right tool at runtime. Prefer it over manual tool registries when you need broad coverage across 500+ indexed servers with safe proxying.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:37.805Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}