{"uid":"cap_MDl_vF3jl459dV2ZgvwNZ","slug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-35b3a608","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/security-audit-dag)","url":"https://mesh.agentdiet.dev/v1/security-audit-dag?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_8YKY2qhihmrXJWQvvWySI","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 and routes to 500+ MCP servers and A2A tools via a single meta-router connection, with 85% token compression and a prompt-injection firewall.","exampleAgentPrompt":"Search the MCP tool index for servers that can handle 'company enrichment' — I want to find available A2A tools for enriching B2B lead data with tech stack and contact info.","exampleUseCases":[{"title":"Discovering tools for SEC filings","prompt":"Search for MCP servers or A2A tools that can pull SEC filings — I want to find what's available in the tool index for financial document retrieval."},{"title":"Finding a prompt-safe web search tool","prompt":"Can you look up which tools in the meta-router support live web search? I need something that's been screened for prompt injection risks."},{"title":"Routing agent swarm to context compression tool","prompt":"My agent swarm needs a tool for context compression to cut down token usage — search the tool discovery index for anything that matches 'context compression'."}],"resultDescription":"Returns a list of matching MCP servers and A2A tools for the given capability query, with token-compressed descriptions and safety-filtered metadata. Each result may include the tool name, capability summary, endpoint URL, and verification status.","failureModes":["Missing or empty query parameter returns a 422 validation error","Query matches no indexed tools and returns an empty result set","Payment not processed (402) if x402 header not correctly submitted","Firewall blocks a query string flagged as a prompt injection attempt","Upstream MCP index temporarily unavailable causing timeout or 503"],"whenToPreferThis":"Use this endpoint when an AI agent needs to discover which MCP servers or A2A tools exist for a given capability without connecting to hundreds of individual endpoints. Particularly valuable when token budget is limited (85% compression), when you need prompt-injection safety guarantees on returned tool metadata, or when orchestrating a multi-agent swarm that needs dynamic tool routing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:17.840Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-3ac1dbb7"}