{"uid":"cap_XEwusD9LCCVaetK6Al1gE","slug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-8491531a","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-search)","url":"https://shopify-spy.agentdiet.dev/v1/tool-search?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_vsqgUDWfkjB4dVHdmDEHR","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 capability query, returning compressed, firewall-filtered results to help agents discover the right tool for any task.","exampleAgentPrompt":"Search the MCP and A2A tool index for capabilities related to 'context compression' — I want to find which servers support it so I can route my agent there.","exampleUseCases":[{"title":"Finding a tool for SEC filing retrieval","prompt":"Search the tool index for any MCP server or A2A agent that can fetch SEC filings — I need to wire up my research agent to pull 10-K and 8-K documents automatically."},{"title":"Routing swarm agents to the right capability","prompt":"I'm building a multi-agent swarm and need to know which indexed tools handle GitHub security auditing — can you query the meta-router and show me what's available?"},{"title":"Verifying a known endpoint is in the index","prompt":"Can you check whether the endpoint at https://shopify-spy.agentdiet.dev/v1/email-verify is indexed and compliant in the A2A tool registry?"}],"resultDescription":"Returns a compressed list of matching MCP servers or A2A tools relevant to the query, including tool names, capability summaries, endpoint URLs, and metadata — with 85% token compression applied and Prompt-Guard firewall filtering to remove unsafe or malicious tool descriptions.","failureModes":["Empty query string returns a 400 validation error","No matching tools found returns an empty result set","Query too broad may return low-relevance results","Firewall may suppress results containing flagged prompt-injection patterns","Upstream index unavailability may cause 503 or timeout responses"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover the right MCP server or A2A tool for a capability it doesn't already have wired in — especially in swarm architectures where tool routing must happen at runtime. Prefer it over static tool registries when you need token-efficient, firewall-filtered results across a large index of 500+ servers in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:25.626Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b0d21200"}