{"uid":"cap_GcE0lUT78gMJSBZKEp6ue","slug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-8edba2f6","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/web-rag-shield-dag)","url":"https://shopify-spy.agentdiet.dev/v1/web-rag-shield-dag?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_oQolhbZIt4f2rYtN4mUIM","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 across 500+ indexed MCP servers and A2A tools, returning capability-matched endpoints with token compression and prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for endpoints that handle 'company enrichment' — I need to find a safe, compressed route to the right tool without risking prompt injection.","exampleUseCases":[{"title":"Discover SEC filing tools for agent","prompt":"Find me an MCP server in the index that can pull SEC filings — I need the best-matched endpoint so my agent can route there automatically."},{"title":"Validate suspicious endpoint URL safety","prompt":"Can you check whether this endpoint URL is safe to call from my agent swarm? I want to make sure it passes the prompt-guard firewall before I route traffic to it."},{"title":"Route to context compression capability","prompt":"Search the 500+ tool index for something that does context compression — my agent needs to reduce token usage and I want the best available MCP server for that."}],"resultDescription":"Returns a list of capability-matched MCP servers or A2A tools from a 500+ item index, with relevance scores, compressed metadata (85% token reduction), and a Prompt-Guard safety assessment for each matched endpoint.","failureModes":["Empty or vague query returns low-confidence or zero matches","Endpoint URL provided for verification may not be indexed, returning no safety data","Rate limiting or x402 payment failure causes 402 response requiring micropayment","Query too broad may return too many low-relevance results","Prompt-guard firewall may flag adversarial query strings and refuse to process them"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which of 500+ MCP servers or A2A tools best matches a capability need, or when validating that a third-party endpoint is safe to proxy through before calling it. Prefer this over hardcoded tool registries when the agent operates in a swarm context and needs real-time routing with token-efficient responses and built-in prompt-injection protection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:06.330Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b0d21200"}