{"uid":"cap_SwXb06Eturp67YRTk1e19","slug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b73d5d75","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://hn-pulse.agentdiet.dev/v1/mesh)","url":"https://hn-pulse.agentdiet.dev/v1/mesh?utm_source=zero.xyz","method":"POST","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_hiZj0itbRg6LzhBrL1KQ2","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"hn-pulse.agentdiet.dev","brandSlug":"hn-pulse-agentdiet-dev-mpp","brandBaseUrl":"https://hn-pulse.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt injection protection","exampleAgentPrompt":"Search the mesh router for any MCP tools or A2A agents that support SEC filings or company enrichment — I need to find the right tool to plug into my agent pipeline.","exampleUseCases":[{"title":"Agent pipeline tool discovery","prompt":"I'm building an autonomous agent and need to find which MCP servers support GitHub dependency auditing — search the mesh for anything related to GitHub security or license risk."},{"title":"Capability routing for swarm agents","prompt":"My swarm needs a tool that handles B2B lead enrichment and domain OSINT — can you search the meta-router index for matching A2A or MCP tools I can delegate to?"},{"title":"Verifying a specific endpoint exists","prompt":"I want to confirm whether this endpoint URL is registered and safe to use in my agent: https://some-mcp-server.example.com/v1/tool — can you check it against the mesh index?"}],"resultDescription":"Returns a list of matching MCP servers or A2A tools from the 500+ indexed catalog, with capability metadata, relevance to the query, and token-compressed summaries, filtered through the Prompt-Guard firewall to prevent injection attacks.","failureModes":["Empty query string returns validation error (minLength:1 required)","No matching tools found for obscure or very narrow capability queries","Prompt-Guard firewall may reject queries that resemble injection attempts","Endpoint URL verification may return unverified if URL is not indexed","Rate limiting or payment failure via x402 if USDC balance is insufficient","Timeout if the meta-router is querying many upstream MCP servers simultaneously"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP server or A2A tool is best suited for a specific capability at runtime, rather than hardcoding tool references. It is especially valuable for swarm architectures where tasks are delegated to specialized sub-agents and the right tool must be selected from a large catalog. Prefer it over manual tool registries when you need prompt-injection protection (Prompt-Guard firewall) and want 85% token compression on results to stay within context limits.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:35:51.651Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-45369aae"}