{"uid":"cap_1e4bAC-dQmGcNel4W1joZ","slug":"shopify-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-dc298f7a","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/x402-broker)","url":"https://shopify-intel.agentdiet.dev/v1/x402-broker?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_7-gR4nkCGROTi-m-Ghs3Y","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 a meta-index of 500+ MCP servers and A2A tools by capability query, returning token-compressed results routed through a Prompt-Guard firewall","exampleAgentPrompt":"Search the agentdiet meta-router for tools that handle 'company lead enrichment' — I want to find available MCP or A2A endpoints I can call, with compressed results so I'm not wasting tokens.","exampleUseCases":[{"title":"Discovering tools for SEC filings","prompt":"I need to find an MCP server or A2A tool that can pull SEC filings for a public company — search the meta-router for 'SEC filings' and show me what's available."},{"title":"Finding a prompt-safe web distillation agent","prompt":"Can you search for MCP tools that do web page distillation or HTML extraction? I need something that goes through a Prompt-Guard firewall so I don't get hit by injection attacks."},{"title":"Routing to a token-efficient GitHub audit tool","prompt":"Look up 'GitHub security audit' in the tool discovery router — I want to find an A2A endpoint I can use for dependency and license checks without blowing my token budget."}],"resultDescription":"A token-compressed list of matching MCP servers or A2A tools relevant to the query, including endpoint metadata, capability descriptions, and routing information, all filtered through a Prompt-Guard firewall to block unsafe payloads.","failureModes":["Empty query string returns validation error","No matching tools found for obscure or misspelled capability query","Prompt-Guard firewall blocks query if it resembles an injection attempt","Payment authorization failure if x402 micropayment is not completed","Upstream MCP server unavailable causing partial or no results","Rate limiting if too many queries are submitted in a short window"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability without hardcoding individual connections — especially valuable when token budget is a concern (85% compression) or when processing potentially untrusted tool responses that need firewall screening. Prefer this over direct MCP server connections when you want a single authenticated entry point to a broad ecosystem of 500+ tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:35:05.133Z","isFirstParty":false,"canonicalSlug":"shopify-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-550cd52f"}