{"uid":"cap_1-bt8MB0dXOLgSAOTHjkt","slug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-3ac1dbb7","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/x402-broker)","url":"https://mesh.agentdiet.dev/v1/x402-broker?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_VGsC7sy4NzuhQ2_gZyFsu","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+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt injection firewall","exampleAgentPrompt":"Search the MCP tool index for servers that handle 'context compression' and tell me which ones are available with their capabilities and endpoints.","exampleUseCases":[{"title":"Discover tools for SEC filing research","prompt":"Search the MCP tool router for any servers that can pull SEC EDGAR 10-K or 10-Q filings — I need to find which tools are available for public company financial intelligence."},{"title":"Find prompt-safe MCP proxy for GitHub audits","prompt":"I need to find an MCP server that can do GitHub repo security auditing — search the tool index for 'github security' and show me what's available with safe proxying."},{"title":"Route swarm agents to lead enrichment tools","prompt":"My agent swarm needs B2B company enrichment capabilities — search the A2A tool discovery router for 'company enrichment' and return the best matching endpoints I can route to."}],"resultDescription":"Returns a list of matching MCP servers and A2A tools from a 500+ endpoint index, with metadata about each tool's capabilities, endpoint URLs, and relevance to the query — delivered with up to 85% token compression to minimize context usage, and filtered through a Prompt-Guard firewall to block injected malicious content.","failureModes":["Empty query string returns validation error","No matching tools found for niche or misspelled query","Firewall may block or sanitize responses containing prompt injection patterns","x402 payment failure if USDC balance insufficient","Endpoint URL verification may return unresolvable if target server is offline"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover and route to external MCP servers or A2A tools without hard-coding individual tool connections — especially useful for swarm architectures needing a single meta-router, when token budget is constrained (85% compression), or when untrusted tool responses need firewall filtering before ingestion.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:25.736Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-3ac1dbb7"}