{"uid":"cap_BsvlpT2xdvtaDv4kAwO7A","slug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-d094c3c0","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://shopify-spy.agentdiet.dev/v1/a2a-mesh)","url":"https://shopify-spy.agentdiet.dev/v1/a2a-mesh?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_9qa1-YgK95tw82nb-uVSP","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"shopify-spy.agentdiet.dev","brandSlug":"shopify-spy-agentdiet-dev-mpp","brandBaseUrl":"https://shopify-spy.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened results via a single meta-router connection","exampleAgentPrompt":"Search the A2A mesh for MCP servers that can do GitHub security audits and return the best matching tools with their capabilities compressed.","exampleUseCases":[{"title":"Discovering SEC filing retrieval tools","prompt":"Find me an MCP server in the agent mesh that can pull SEC filings — I need to know which tools are available and what capabilities they expose."},{"title":"Locating email verification agents","prompt":"Search the MCP tool index for any agents that handle email verification so I can wire one into my lead enrichment pipeline."},{"title":"Finding on-chain risk analysis tools","prompt":"Look through the A2A mesh and tell me which tools support on-chain risk or DEX token intelligence — I need something I can route crypto-related queries to."}],"resultDescription":"A compressed index of matching MCP servers and A2A tools ranked by relevance to the query, including capability descriptions, endpoint URLs, and metadata — filtered through a Prompt-Guard firewall to remove malicious or non-compliant results. Token usage is reduced by approximately 85% versus raw tool manifests.","failureModes":["Empty query string returns 400 validation error","No matching tools found for obscure capability queries returns empty result set","Prompt-Guard firewall blocks queries flagged as adversarial or injection attempts","Upstream MCP server index may be stale if recently added servers haven't been indexed","x402 payment failure results in 402 response before query is processed","Highly ambiguous queries may return low-relevance tool matches"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP servers or A2A tools exist for a given capability without knowing specific endpoint URLs in advance. It is especially useful when building multi-agent swarms that need dynamic tool routing, or when you want firewall-screened, token-compressed results rather than raw tool manifests. Prefer it over manual tool registries when querying across 500+ tools simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:43:19.491Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b0d21200"}