{"uid":"cap_r3gAVrAPUN6MEQHQmN_Eb","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-bbeea97e","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/universal-mcp-gateway)","url":"https://domain-osint.agentdiet.dev/v1/universal-mcp-gateway?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_W2Hbeh1BpdcAK6Av16Ojs","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 and routes across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt-injection firewall.","exampleAgentPrompt":"Search the universal MCP gateway for tools that handle SEC filings and company enrichment — find me what's available in the index.","exampleUseCases":[{"title":"Discover context compression tools","prompt":"Search the MCP tool index for anything that does context compression or token reduction — I want to know what servers are available for that."},{"title":"Find domain OSINT capabilities","prompt":"Look through the universal MCP gateway for domain OSINT tools — what endpoints are indexed that can do WHOIS lookups or domain intelligence?"},{"title":"Verify an endpoint is safe to call","prompt":"Can you check this endpoint URL against the MCP gateway's prompt-guard firewall to verify it's safe before I route agent traffic through it: https://someapi.example.com/v1/tool"}],"resultDescription":"Returns a list of matching MCP servers or A2A tools from the 500+ indexed entries, with metadata about each tool's capabilities, compressed to reduce token usage, and filtered through a prompt-injection firewall for safety.","failureModes":["Empty query string returns validation error","No matching tools found for obscure capability queries","Endpoint URL verification may return false negatives for newly registered endpoints","Rate limiting or payment failure if x402 micropayment is not properly handled","Overly broad queries may return too many results with reduced precision"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to call for a given capability, rather than hard-coding a specific tool. Especially useful for swarm orchestration scenarios where the right downstream tool is not known in advance, or when you want a safety-filtered proxy layer between your agent and untrusted MCP servers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:17.909Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}