{"uid":"cap_LaTxxARzRvP-ipLKgteO8","slug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-3257d72a","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/tool-broker)","url":"https://shopify-spy.agentdiet.dev/v1/tool-broker?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_9EOeHa6QbXBMso_gF-lNi","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 a meta-index of 500+ MCP servers and A2A tools by natural language capability query, returning matching tools with 85% token compression and prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP tool broker for agents that can handle SEC filings — I need something that indexes company financial data and returns results in a compressed, token-efficient format.","exampleUseCases":[{"title":"Discovering GitHub audit tools","prompt":"I need to find an MCP server or A2A tool that can audit GitHub repositories for security vulnerabilities — search the tool index for 'github security audit' and show me what's available."},{"title":"Finding DEX token intelligence tools","prompt":"Can you search the meta-router for any tools that handle DEX token intelligence or on-chain risk analysis? I'm building a DeFi agent and need to know what's indexed."},{"title":"Verifying an endpoint before calling it","prompt":"Before I wire this up in my swarm, can you verify whether 'https://someservice.example.com/api/v1/enrich' is a known and safe endpoint in the tool broker index?"}],"resultDescription":"A compressed, prompt-injection-filtered list of matching MCP servers or A2A tools ranked by relevance to the query, with metadata such as tool names, capabilities, endpoints, and token-efficient descriptions.","failureModes":["Query too vague returns low-relevance or empty results","Endpoint URL verification returns unknown if not indexed","Prompt-Guard firewall may block queries containing injection-like patterns","Payment failure (x402) if USDC balance insufficient","503/504 if meta-index is temporarily unavailable","Malformed query (missing or empty string) returns 400 validation error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which tools or MCP servers are available for a given capability, rather than hardcoding tool lists. Ideal for swarm orchestrators, meta-agents, and autonomous workflows that need to self-assemble tool chains at runtime. Prefer over direct tool registries when you want built-in prompt-injection protection and token compression on returned metadata.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:15.463Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b0d21200"}