{"uid":"cap_tsVKQ_etG_vuh55Qc71Yi","slug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-6e7b30eb","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/web-rag-shield-dag)","url":"https://mesh.agentdiet.dev/v1/web-rag-shield-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_o2_4P6D984kDTVoPa5eSl","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, returning token-compressed, prompt-injection-guarded results for agent tool discovery and routing","exampleAgentPrompt":"Search the MCP tool index for servers that handle 'context compression' and tell me which ones are available with their endpoints and capability summaries.","exampleUseCases":[{"title":"Capability search for agent swarm routing","prompt":"I'm building a multi-agent system and need to find which MCP servers in the index handle SEC filings and financial data — can you search for 'SEC filings' and give me the top matches with their endpoints?"},{"title":"Safe endpoint verification before calling","prompt":"Before my agent calls this endpoint URL https://some-mcp-server.example.com/tool, can you verify it through the tool discovery router to check if it's indexed and safe to use?"},{"title":"Discovering tools for a new agent pipeline","prompt":"I'm setting up a new agent pipeline and need to find MCP tools that do B2B lead enrichment and company tech stack analysis — search the index and show me what's available."}],"resultDescription":"A token-compressed (up to 85% reduction) list of matching MCP servers or A2A tools with their capability descriptions, endpoint URLs, and safety/prompt-injection verdicts, filtered by the capability query provided.","failureModes":["Query string is empty or too vague, returning no relevant matches","Queried capability not represented in the 500+ server index, returning empty results","Payment not processed (HTTP 402) if x402 micropayment fails","Rate limiting if the endpoint is called too frequently","URL verification returns inconclusive safety verdict for unindexed endpoints"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP servers or A2A tools exist for a given capability without hardcoding tool URLs; especially valuable in swarm architectures where the right downstream tool is not known in advance, or when you want a prompt-injection-guarded proxy layer before calling untrusted MCP endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:04.106Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-3ac1dbb7"}