{"uid":"cap_GhyL55ek1Y9PskfqsbH0C","slug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-a0fae954","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-gateway)","url":"https://mesh.agentdiet.dev/v1/x402-gateway?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_bk-Y-NKbfucjKhlETA130","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, prompt-injection-safe results for agent routing","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that handles 'SEC filings' or 'company enrichment' — I want to see which tools are available and get their compressed capability summaries.","exampleUseCases":[{"title":"Discover tools for a coding agent pipeline","prompt":"Search the tool index for 'github security' and 'dependency audit' capabilities — I'm building a coding agent and need to know which MCP servers or A2A tools can handle repo scanning."},{"title":"Find context compression tools for token savings","prompt":"Look up 'context compression' in the MCP tool discovery index — I want to find servers that can reduce token usage for my swarm and see their summaries."},{"title":"Verify an endpoint before routing agent traffic","prompt":"Can you check whether the endpoint at https://some-mcp-server.example.com is indexed and safe to proxy through the tool router? I want to confirm it passes the prompt-injection firewall before I send agent traffic there."}],"resultDescription":"Returns a structured, token-compressed (up to 85% reduction) list of matching MCP servers or A2A tools with capability descriptions, endpoint metadata, and safety status from the Prompt-Guard firewall. Results are filtered for prompt-injection risk before delivery.","failureModes":["Query too vague — returns no matching tools or overly broad results","Endpoint URL provided for verification is not indexed — returns not-found status","Payment not processed (x402) — 402 response blocking result delivery","Query matches tools that have since gone offline — stale index entries","Firewall flags result payload as unsafe — response withheld or flagged"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools exist for a given capability, rather than hard-coding tool references. Especially useful for swarm orchestration, multi-agent routing, and when token budget is tight (85% compression). Prefer over manual tool registries when you need real-time index search across 500+ servers with built-in prompt-injection safety screening.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:23.028Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-3ac1dbb7"}