{"uid":"cap_Ls6iCmh6nh7dgq8SN6AF4","slug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-92bd6947","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/tool-search)","url":"https://alpha-stream.agentdiet.dev/v1/tool-search?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_asasQMn5CknL4-CNzIRBU","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 an index of 500+ MCP servers and A2A tools by capability query, returning relevant endpoints with token-compressed results and prompt-injection firewall protection.","exampleAgentPrompt":"Search the agentdiet tool index for MCP servers that can do GitHub security auditing — I need to find the best available tool for scanning repos.","exampleUseCases":[{"title":"Discovering SEC filing tools for research agent","prompt":"Search for MCP tools that can retrieve SEC filings or EDGAR data — I'm building a research agent and need to find what's available in the index."},{"title":"Finding company enrichment APIs for sales workflow","prompt":"Look up what A2A or MCP tools are available for B2B lead enrichment and company data — I want to wire one into my sales automation agent."},{"title":"Verifying a specific MCP endpoint is live","prompt":"Can you check this endpoint URL against the agentdiet tool index to see if it's verified and compliant: https://some-mcp-server.example.com/mcp?"}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, with token-compressed metadata (85% compression), capability descriptions, endpoint URLs, and safety status from the Prompt-Guard firewall. Response is a JSON object with ranked tool results.","failureModes":["Empty query string returns validation error","No matching tools found for niche or obscure capability queries","Endpoint URL verification may fail if the remote server is offline","Rate limiting or payment required (HTTP 402) if call quota exceeded","Malformed query may return generic or irrelevant results"],"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 tool integrations. Ideal for meta-agent orchestration, swarm routing, or when building agents that need to self-select the right downstream tool at runtime. Prefer over manual tool registries when you need broad coverage (500+ tools), token-efficient responses, and built-in prompt-injection protection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:31.528Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-4c5998e1"}