{"uid":"cap_a6QmhdkNkgd4o8a3rUJd4","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-ce867037","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/a2a-router)","url":"https://domain-osint.agentdiet.dev/v1/a2a-router?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_-xcEwkRoYaNAtIi7jBid5","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 A2A & MCP tool index for anything that can handle 'company enrichment' — I need to find the right tool to plug into my agent swarm without burning tokens on a bloated schema.","exampleUseCases":[{"title":"Swarm agent tool discovery","prompt":"I'm building a multi-agent pipeline and need to find MCP servers that handle SEC filings and GitHub auditing — can you search the tool index and give me the best matches?"},{"title":"Safe proxy routing for unknown endpoints","prompt":"Before I connect my agent to this external MCP endpoint, can you check if it's already indexed and verified in the router so I know it's safe to call?"},{"title":"Token-efficient capability lookup","prompt":"My agent is running low on context budget — can you search for tools that do domain OSINT and give me a compressed summary of what's available so I don't waste tokens loading full schemas?"}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, with compressed metadata (85% token reduction claimed), safety-filtered through a Prompt-Guard firewall, and optionally verification status for a given endpoint URL.","failureModes":["Missing or empty 'query' parameter returns a 400 validation error","Query matches no indexed tools — returns empty results set","Queried endpoint URL not found in index — returns no verification result","Service unavailable or rate-limited — returns 503 or 429","Payment not processed (x402) — request blocked before routing"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool can fulfill a capability requirement, especially in token-constrained contexts or multi-agent swarm setups where vetting unknown endpoints for safety is important. It aggregates 500+ tools under a single connection, avoiding the need to maintain a bespoke tool registry.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:57.642Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}