{"uid":"cap_SIXpPlz0nM5U4aOWvb1Rj","slug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-4862cc15","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/mesh/dispatch)","url":"https://alpha-stream.agentdiet.dev/v1/mesh/dispatch?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_ZUduGr5ZfDaeP9efNuAbR","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 a meta-index of 500+ MCP servers and A2A tools by capability query, returning compressed results through a Prompt-Guard firewall","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that can handle SEC filings or company enrichment — I need to find the right tool endpoint to call.","exampleUseCases":[{"title":"Finding a GitHub security audit tool","prompt":"Search the tool mesh for MCP servers that can do GitHub security audits or code vulnerability scanning — I want to know which endpoints are available and what they support."},{"title":"Discovering DEX token intelligence tools","prompt":"I need to find an A2A or MCP tool that handles DEX token intelligence or on-chain risk analysis — can you query the tool index and tell me what's available?"},{"title":"Verifying an endpoint URL before use","prompt":"Before I call this agent URL https://some-agent.example.com/api, can you check it against the tool registry to verify it's a known, safe MCP endpoint?"}],"resultDescription":"A compressed (up to 85% token reduction) list of matching MCP servers or A2A tool entries from a 500+ item index, filtered through a Prompt-Guard firewall, including endpoint metadata relevant to the searched capability or URL verification result.","failureModes":["Empty or overly broad query returns too many loosely matched results","Query matches no indexed tools, returning empty result set","Endpoint URL provided for verification is not in the index","Rate limiting or payment failure (HTTP 402) when call quota is exceeded","Firewall blocks query flagged as potentially adversarial by Prompt-Guard"],"whenToPreferThis":"Use 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 tool endpoints. Particularly useful when searching across 500+ indexed tools in a single query, when you want token-compressed results to preserve context window space, or when you need to verify an unfamiliar endpoint URL before invoking it.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:02.922Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-4c5998e1"}