{"uid":"cap_QRj9cOzDzYBlGXj2a-OsV","slug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-c41bdde0","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://workflows.agentdiet.dev/v1/agent-router)","url":"https://workflows.agentdiet.dev/v1/agent-router?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_PajTeB6uK8BAOW4qdiXZM","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"workflows.agentdiet.dev","brandSlug":"workflows-agentdiet-dev-mpp","brandBaseUrl":"https://workflows.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened tool metadata via a single connection.","exampleAgentPrompt":"Search the MCP and A2A tool index for 'context compression' — I want to find available tools that can help reduce token usage in my agent pipeline.","exampleUseCases":[{"title":"Finding an MCP server for SEC filings","prompt":"Can you search the MCP tool index for 'SEC filings' and tell me which servers or A2A tools are available to pull financial reports for my research agent?"},{"title":"Verifying a third-party MCP endpoint","prompt":"I found this endpoint at https://some-mcp-server.example.com/v1/tool — can you run it through the agent router to verify it's a legitimate, safe MCP server before I connect my agent to it?"},{"title":"Discovering swarm tools for GitHub auditing","prompt":"Search for 'github security' across the MCP and A2A tool index so I can route my swarm to the right tool for auditing open-source repositories."}],"resultDescription":"Returns a compressed list of matching MCP servers or A2A tools relevant to the query, including endpoint metadata, capability descriptions, and Prompt-Guard firewall status — with up to 85% token compression applied to keep responses agent-friendly.","failureModes":["No matching tools found for the given query — returns empty result set","Invalid or unresolvable endpoint URL when used in verification mode","Query string too short or malformed — minLength:1 not met","Payment required error (HTTP 402) if x402 micropayment is not included","Upstream MCP server index unavailable — service degradation or timeout"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to discover which MCP servers or A2A tools are available for a given capability without maintaining multiple separate connections. It is especially useful when token efficiency is critical (85% compression), when you need Prompt-Guard firewall screening of tool responses before passing them to your agent, or when you want to verify a third-party MCP endpoint URL before trusting it in a swarm pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:26.867Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-9abf6654"}