{"uid":"cap_EgjmSAdRc_XSYf3UKCsZz","slug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-c1968a06","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://mesh.agentdiet.dev/v1/a2a-router)","url":"https://mesh.agentdiet.dev/v1/a2a-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_fj_BO5Ziyt0ncHAcZCSMB","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mesh.agentdiet.dev","brandSlug":"mesh-agentdiet-dev-mpp","brandBaseUrl":"https://mesh.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query and returns token-compressed, firewall-screened results for agent tool discovery and routing.","exampleAgentPrompt":"Search the MCP and A2A tool index for any servers or agents that handle 'SEC filings' — I need to find the best available tool for pulling structured financial data from EDGAR.","exampleUseCases":[{"title":"Capability discovery for coding agents","prompt":"Find me any MCP servers in the index that can do GitHub security auditing or dependency scanning — I want to route my coding agent to the best available tool."},{"title":"Endpoint safety verification before use","prompt":"Before my agent calls this endpoint URL https://some-mcp-server.example.com/tool, can you check whether it's known, indexed, and passes the prompt-injection firewall?"},{"title":"Swarm routing for company enrichment","prompt":"I'm building an agent swarm and need to discover which A2A tools or MCP servers in the index are best for B2B company enrichment and tech stack detection — give me the top matches."}],"resultDescription":"Returns a list of matched MCP servers or A2A tools relevant to the query, with metadata about each tool's capabilities, compressed to reduce token usage by up to 85%, and screened by a Prompt-Guard firewall for safety before delivery.","failureModes":["Empty query string returns validation error","No matching tools found for obscure or highly specific queries","Endpoint URL verification may return unknown if URL is not indexed","Rate limit or payment failure (HTTP 402) if x402 USDC payment is not settled","Firewall may block results if query contains injection-like patterns"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover, evaluate, or route to one of hundreds of MCP servers or A2A tools without maintaining its own index. It is especially useful for multi-agent swarm architectures, when you want a single connection point that handles tool search, safety filtering, and token-efficient responses. Prefer it over direct tool registries when prompt-injection protection and token compression are priorities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:46:06.738Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-3ac1dbb7"}