{"uid":"cap_xWEgZlI4eQiJN6EYa84S9","slug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-3559ee3a","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/a2a-mesh)","url":"https://workflows.agentdiet.dev/v1/a2a-mesh?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_yU0gn1h_fgEq6dmq8nc5D","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 and routes across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt injection firewall.","exampleAgentPrompt":"Search the A2A mesh for any MCP servers or tools that support 'SEC filings' and route me to the best one with compressed context.","exampleUseCases":[{"title":"Discover tools for lead enrichment","prompt":"Find me all MCP servers or A2A tools on the agent mesh that can do B2B lead enrichment or company data lookups — I want to see what's available with the least token overhead."},{"title":"Route to GitHub security scanner","prompt":"Search the MCP tool index for anything that handles GitHub security audits or code vulnerability scanning and connect me through the safe proxy."},{"title":"Verify an endpoint's availability","prompt":"Can you check the A2A mesh to see if this URL is a valid, live MCP endpoint: https://example.com/v1/mcp — I want to know if it's compliant and reachable."}],"resultDescription":"Returns a compressed list of matching MCP servers or A2A tools from a 500+ entry index, including endpoint metadata, capability descriptions, and routing information — filtered through a Prompt-Guard firewall to block injection attacks. Results are token-compressed by up to 85%.","failureModes":["Query too vague or empty — returns no matching tools","Endpoint URL provided for verification is unreachable or non-compliant — returns error or SLA failure details","Payment not fulfilled via x402 — returns HTTP 402 requiring USDC payment","Index temporarily unavailable — service timeout or 503","Prompt injection detected by Prompt-Guard — query rejected with firewall alert"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to discover the best available MCP server or A2A tool for a given capability without hardcoding individual endpoints — especially useful for swarm orchestration, multi-agent pipelines, or when you need token-efficient tool routing with built-in safety filtering. Prefer over manual tool registries when operating across 500+ tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:31.120Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-9abf6654"}