{"uid":"cap_pLdru6DPg7RXfNzf5x4Vd","slug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-a91a3189","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/workflows/execute)","url":"https://alpha-stream.agentdiet.dev/v1/workflows/execute?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_N7hZMqFTLSGjp5EPuhzZC","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 compressed, firewall-filtered results via a single meta-router connection","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that handles SEC filings or company enrichment — I want to see what's available with token-compressed results.","exampleUseCases":[{"title":"Finding context compression tools","prompt":"Search the MCP tool index for anything that does context compression — I need a tool my agent can use to shrink large prompts before sending them to the LLM."},{"title":"Locating GitHub security audit tools","prompt":"Can you look up what MCP servers or A2A tools are available for GitHub security auditing? I want to find the best option I can route my agent through."},{"title":"Discovering on-chain risk tools","prompt":"Search for agent tools related to on-chain risk or DEX token intelligence — I need to know what's indexed and available through the meta-router."}],"resultDescription":"A filtered, token-compressed list of matching MCP servers or A2A tools from an index of 500+, screened through a Prompt-Guard firewall. Results include tool metadata relevant to the query, suitable for direct agent consumption or further routing.","failureModes":["Empty results if query is too vague or no matching tools are indexed","Rate limiting or payment failure (HTTP 402) if x402 payment not properly handled","Firewall rejection if query triggers Prompt-Guard heuristics","Malformed query (minLength:1 not met) returns validation error","Upstream MCP server unavailability may reduce result completeness"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools support a given capability without maintaining its own index. Ideal for swarm orchestration scenarios where agents need to self-assemble toolchains, or when token budget is constrained and compressed tool metadata is valuable. Prefer over manual MCP registries when breadth (500+ servers), safety filtering, and single-connection convenience matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:02.052Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-4c5998e1"}