{"uid":"cap_x_zENLlqtRPCM9SXPFndd","slug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-501676a8","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":"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_ZWKxZfLlJlaJi22I9jQuy","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 queries across 500+ indexed MCP servers and A2A tools with token compression and prompt-injection firewall protection","exampleAgentPrompt":"Search the tool-broker for any indexed MCP servers or A2A tools that handle 'company enrichment' so I can pick the best one for my lead research pipeline.","exampleUseCases":[{"title":"Finding MCP tools for SEC filings","prompt":"Search the tool broker for any indexed MCP servers that can retrieve or parse SEC filings — I need to plug something into my financial research agent."},{"title":"Verifying a suspicious endpoint URL","prompt":"Can you check whether this endpoint URL is registered and safe in the tool broker index before I let my agent call it?"},{"title":"Discovering context compression tools","prompt":"I'm building a swarm of agents and they keep running out of context window — search the tool broker for any tools that do context compression or token reduction."}],"resultDescription":"Returns a structured object listing matching MCP servers or A2A tools from a 500+ entry index, including compressed metadata about each tool's capabilities, along with routing information and prompt-guard safety verdicts for any queried endpoints.","failureModes":["Missing or empty query parameter returns validation error","No matching tools found for niche capability query returns empty result set","Endpoint URL verification may fail if URL is not indexed","Rate limiting or payment failure (402) if x402 micropayment not properly handled","Malformed query may return unexpected or irrelevant results"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP server or A2A tool supports a given capability at runtime, rather than hardcoding tool selections. Particularly useful for swarm architectures, meta-agents, or orchestrators that need to route subtasks to specialized tools without prior knowledge of what's available. The built-in Prompt-Guard firewall and 85% token compression make it preferable over raw tool directories when safety and context efficiency matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:45.731Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b0d21200"}