{"uid":"cap_6P2dfxcjP5m8UqHqFUGCN","slug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-18b205cf","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/a2a-mesh)","url":"https://alpha-stream.agentdiet.dev/v1/a2a-mesh?utm_source=zero.xyz","method":"POST","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_TgBOkCJig11khGQRYbnNI","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+ MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt firewall protection","exampleAgentPrompt":"Search the A2A and MCP tool mesh for any available tools that handle 'GitHub security auditing' so I can route my next request to the right one.","exampleUseCases":[{"title":"Discover context compression tools","prompt":"Search the tool mesh for any MCP servers or A2A agents that support context compression — I want to reduce token usage in my pipeline."},{"title":"Find SEC filings capability in swarm","prompt":"Can you query the A2A mesh and find which tools or MCP servers can pull SEC 10-K and 10-Q filings so I can wire one into my research agent?"},{"title":"Route to email verification agent","prompt":"Look up the tool mesh for any available agents that do email verification or domain OSINT — I need to find the right one to call for my lead enrichment workflow."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, with capability descriptions and routing metadata, filtered through a Prompt-Guard firewall and delivered with 85% token compression to minimize agent context usage.","failureModes":["No matching tools found for query — empty result set returned","Query too vague to narrow down to specific tools — broad results","Prompt-Guard firewall blocks query if it resembles adversarial prompt injection","Payment required (HTTP 402) if x402 credit is not provided","Idempotency-Key collision causing unexpected cached result reuse"],"whenToPreferThis":"Choose this endpoint when your agent needs to dynamically discover which MCP server or A2A tool handles a given capability without hard-coding tool lists. It is especially useful in swarm or multi-agent architectures where tool availability changes, or when you want safe-proxied access to hundreds of tools through a single connection with token-efficient responses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:35:14.218Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-4c5998e1"}