{"uid":"cap_cboY-u-97GSxuvcKvEjp3","slug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-e99fce1e","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/x402-gateway)","url":"https://shopify-spy.agentdiet.dev/v1/x402-gateway?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_ornedz5XTWNOMvBi8iAWw","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 and routes to 500+ MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt-injection firewall.","exampleAgentPrompt":"Search the MCP tool index for a capability that handles SEC filings and company enrichment — I want to find the right tool to route my agent's request to.","exampleUseCases":[{"title":"Discover a GitHub security audit tool","prompt":"Search the MCP swarm for a tool that can run GitHub security audits — I need to find which endpoint handles that and route my agent there."},{"title":"Find an email verification endpoint","prompt":"Look through the 500+ MCP servers and find me a tool that does email verification so I can wire it into my agent pipeline."},{"title":"Locate an on-chain risk analysis tool","prompt":"I need to find an MCP tool that handles on-chain risk or DEX token intelligence — can you search the tool index and tell me what's available?"}],"resultDescription":"Returns a list of matching MCP servers or A2A tool endpoints relevant to the query, with 85% token-compressed summaries, routing metadata, and safe-proxied access details. Results pass through a Prompt-Guard firewall to filter hidden prompt injections.","failureModes":["Query too vague — returns low-confidence or empty match list","No matching tool found in the 500+ server index for the queried capability","Prompt-Guard firewall blocks a result flagged as containing injection attempts","Payment not processed (x402) — returns 402 with payment instructions","Invalid or missing query field — returns 400 validation error"],"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 routes. Ideal for swarm orchestration scenarios where the right downstream tool is unknown at design time. Prefer this over direct tool calls when you need token-compressed, firewall-screened results from a large catalog of 500+ tools with a single connection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-01T18:36:56.972Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b0d21200"}