{"uid":"cap_ESKInee7WhpLSiaAHMhss","slug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-4957ad7e","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)","url":"https://workflows.agentdiet.dev/v1?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_BlSQ4sRcbN9J7MlNwejzD","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 an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened results for agent tool discovery and routing","exampleAgentPrompt":"Search the agentdiet meta-router for MCP servers and A2A tools that handle 'SEC filings' — I need to find the best available endpoint I can plug into my agent swarm.","exampleUseCases":[{"title":"Agent swarm tool bootstrapping","prompt":"I'm building a multi-agent pipeline and need to know which MCP servers or A2A tools are available for 'context compression' — can you search the agentdiet tool index and give me the top options?"},{"title":"Safe proxy verification for unknown endpoint","prompt":"Before my agent calls this endpoint URL, can you run it through the agentdiet meta-router to check it's safe and not flagged by the Prompt-Guard firewall?"},{"title":"Capability discovery for B2B lead enrichment","prompt":"Search the agentdiet A2A and MCP index for tools that do 'company enrichment' or 'B2B lead enrichment' so I can pick the best one to add to my workflow."}],"resultDescription":"Returns a compressed (up to 85% token reduction) list of matching MCP servers and A2A tools from a 500+ endpoint index, including tool metadata, capability descriptions, safety status from the Prompt-Guard firewall, and routing recommendations for agent swarms.","failureModes":["Empty query string returns validation error","Query matches no indexed tools — returns empty results set","Endpoint URL provided for verification is unreachable or malformed","Rate limiting or payment failure (x402) if per-call quota exceeded","Firewall blocks result if indexed tool is flagged as unsafe"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability at runtime, especially when building multi-agent swarms that must select tools programmatically. Particularly useful when token budget is constrained (85% compression) or when safety screening of tool sources is required before routing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:22.054Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-9abf6654"}