{"uid":"cap_NbPmayBZLH_b9bJohTlIS","slug":"shopify-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-f75dd403","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-intel.agentdiet.dev/v1/mcp-gateway)","url":"https://shopify-intel.agentdiet.dev/v1/mcp-gateway?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"limit":{"type":"integer","default":20,"maximum":100,"minimum":1,"description":"Maximum number of items to return per page (1-100)"},"query":{"type":"string","minLength":1,"description":"Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify"},"cursor":{"type":"string","description":"Opaque pagination cursor for fetching the next page"}}},"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_aS7cC1Rey2tEUt-UcO_co","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-intel.agentdiet.dev","brandSlug":"shopify-intel-agentdiet-dev-mpp","brandBaseUrl":"https://shopify-intel.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and discovers MCP servers and A2A tools by capability query, returning token-compressed results via a single meta-router endpoint with built-in prompt-injection firewall.","exampleAgentPrompt":"Search the MCP gateway for tools that can do SEC filings and company enrichment — return up to 20 results.","exampleUseCases":[{"title":"Swarm agent capability bootstrap","prompt":"I'm spinning up a new agent swarm and need to find all available MCP servers that handle GitHub security audits and supply-chain risk — can you search the gateway and show me the top 20 matches?"},{"title":"Token-efficient tool routing for context compression","prompt":"Find me MCP tools specialized in context compression through the agentdiet gateway — I want to reduce token overhead in my agent pipelines, show up to 10 results."},{"title":"On-chain and DEX tool discovery","prompt":"Search the MCP meta-router for any A2A or MCP tools related to DEX whale orderflow or on-chain risk analysis and list what's available."}],"resultDescription":"A paginated JSON object containing matched MCP server and A2A tool records relevant to the capability query, including endpoint URLs, tool descriptions, and token-compressed metadata. Supports cursor-based pagination for navigating large result sets.","failureModes":["Empty query string returns validation error","No matching tools found for obscure capability query returns empty result set","Cursor pagination token expiry leads to invalid page error","Rate limiting or payment required (HTTP 402) if x402 payment header is missing","Downstream MCP server index unavailable causes partial or degraded results"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP servers or A2A tools support a specific capability across a large index (500+) without connecting to each individually. It is especially useful when building agent swarms that need dynamic tool selection, or when you want token-compressed discovery results with built-in prompt-injection protection rather than querying raw tool registries directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:30:21.409Z","isFirstParty":false,"canonicalSlug":"shopify-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-550cd52f"}