{"uid":"cap_QfFHcULmRw6qgq1HYBheU","slug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-38ddc473","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/crypto-alpha-dag)","url":"https://alpha-stream.agentdiet.dev/v1/crypto-alpha-dag?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_iPR5bEnBnn69V6kX2Q4lk","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 across 500+ indexed MCP servers and A2A tools using a single connection, with token compression and prompt firewall protection.","exampleAgentPrompt":"Search for MCP tools and A2A agents that can handle SEC filings — I want to find what's available in the index so I can route my agent to the right endpoint.","exampleUseCases":[{"title":"Discover crypto data MCP tools","prompt":"Search the MCP tool index for anything related to crypto price feeds or on-chain DEX token intelligence — I want to find available endpoints my agent can call."},{"title":"Find a GitHub security auditing agent","prompt":"Look up available A2A or MCP tools in the index that do GitHub security audits or code vulnerability scanning — what's indexed and ready to proxy?"},{"title":"Route agent to company enrichment tool","prompt":"Find me the best available MCP server or A2A tool for B2B lead enrichment and company data — search the index for 'company enrichment' and tell me what comes back."}],"resultDescription":"Returns a list of matched MCP servers or A2A tools relevant to the capability query, with compressed metadata (85% token reduction) and Prompt-Guard firewall filtering applied. Results include tool names, descriptions, endpoint URLs, and routing metadata.","failureModes":["Empty results if the query is too specific or no indexed tools match","Rate limiting or payment required (HTTP 402) if request quota is exceeded","Malformed query string returns validation error","Timeout if the meta-router index is temporarily unavailable","Prompt-Guard firewall may block queries flagged as adversarial"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability rather than hardcoding endpoint URLs. Prefer it when building multi-agent orchestration systems that need to route to the best available tool at runtime, especially when token efficiency matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:45.305Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-4c5998e1"}