{"uid":"cap_TZNxGXZ_6RJH3Z6OW1pHw","slug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-6775a331","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://alpha-stream.agentdiet.dev/v1/agent-router)","url":"https://alpha-stream.agentdiet.dev/v1/agent-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_jKeFas00VeEiq8cyZNMP5","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"alpha-stream.agentdiet.dev","brandSlug":"alpha-stream-agentdiet-dev-mpp","brandBaseUrl":"https://alpha-stream.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes to 500+ indexed MCP servers and A2A agent tools via a single connection, with token compression and prompt injection protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that can do GitHub security auditing — I want to find the best available tool through a single safe connection with token compression.","exampleUseCases":[{"title":"Discovering email verification tools","prompt":"Search the agent tool index for any MCP server or A2A endpoint that does email verification — I need to find one I can call through a single proxied connection."},{"title":"Finding SEC filings capability","prompt":"Look through the 500+ indexed MCP tools and find me something that can pull SEC filings or company financial data — I want results with compressed metadata so I'm not burning tokens."},{"title":"Routing to on-chain risk analysis","prompt":"Find me an MCP server or A2A tool in the swarm that handles on-chain risk or crypto wallet analysis, and route me to it safely through the proxy."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, with compressed metadata (up to 85% token reduction) describing each tool's capability, endpoint, and routing information. Results are filtered through a Prompt-Guard firewall to block injection risks.","failureModes":["Empty query string returns validation error","No matching tools found for obscure or misspelled capability queries","Upstream MCP server unavailable or returning errors at proxy time","Rate limiting or payment failure via x402 if quota exceeded","Malformed endpoint URL when used in URL-verification mode"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP or A2A tool to call for a given capability, rather than hardcoding tool endpoints. Especially useful when building swarm agents that need to self-route across 500+ tools, when token budget is a concern (85% compression), or when you want prompt-injection protection via the Prompt-Guard firewall before delegating to a third-party tool.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:04.024Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-4c5998e1"}