{"uid":"cap_8zR4PRr9QqVjPnnVFOmgE","slug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-f660b579","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/security-audit-dag)","url":"https://shopify-spy.agentdiet.dev/v1/security-audit-dag?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_uNsC1fp4yvDxWG_aX0ekg","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, routing requests through a prompt-injection firewall and returning compressed, agent-ready results.","exampleAgentPrompt":"Search the MCP and A2A tool registry for any available tools that handle 'SEC filings' or 'company enrichment' — I want to see what's indexed and which endpoints I can route through.","exampleUseCases":[{"title":"Discovering tools for GitHub security auditing","prompt":"Can you search the tool registry for any MCP servers or A2A tools that do GitHub security auditing or code vulnerability scanning? I want to find what's available before I build my pipeline."},{"title":"Finding prompt-safe proxies for web distillation","prompt":"Look up any indexed MCP tools that handle web distillation or URL summarization — I need something that passes content through a prompt-injection firewall so my agent doesn't get hijacked."},{"title":"Routing agent to DEX token intelligence tools","prompt":"Search the agent tool index for capabilities related to DEX token intelligence or on-chain risk analysis — I want to see which endpoints are available and what they return."}],"resultDescription":"Returns a structured object listing matching MCP servers and A2A tools relevant to the query, including endpoint metadata, capability descriptions, and token-compressed summaries filtered through a prompt-injection firewall.","failureModes":["Query string is empty or too vague — returns no matches or generic results","Queried capability does not exist in the 500+ index — empty result set","Payment not fulfilled via x402 — request blocked with 402 status","Prompt-Guard firewall flags the query as potentially adversarial — request rejected","Upstream MCP server unavailable — partial or degraded results returned"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools exist for a given capability at runtime, especially when prompt-injection safety is a concern and token budget is limited. It is particularly useful for swarm-style agent architectures that need a single connection point to route across 500+ tools rather than hardcoding individual endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T00:34:21.175Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b0d21200"}