{"uid":"cap_VXbzEELiY7-Ha4QCsgBk8","slug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-1e9a8d4e","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/broker/execute)","url":"https://hn-pulse.agentdiet.dev/v1/broker/execute?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_UX8YJzDuhSE1loW7ymaZL","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 queries across 500+ MCP servers and A2A tools through a single connection, with token compression and a prompt-injection firewall.","exampleAgentPrompt":"Search across all the indexed MCP servers and A2A tools to find something that can handle SEC filings — use the meta-router to discover and return the best matching capability.","exampleUseCases":[{"title":"Discover tools for context compression","prompt":"I need to find an MCP server or A2A tool that specializes in context compression — search the meta-router index for 'context compression' and tell me what's available."},{"title":"Find a GitHub security audit agent","prompt":"Can you search the tool discovery router for anything that does GitHub security auditing or dependency scanning? I want to know what agents or MCP servers are indexed for that."},{"title":"Locate on-chain risk analysis capability","prompt":"Search the universal tool index for 'on-chain risk' or 'smart contract security' — I need to know which A2A tools or MCP servers are available to handle that for my swarm."}],"resultDescription":"Returns a structured object listing matching MCP servers and A2A tools relevant to the query, including tool metadata and routing information, compressed to reduce token usage by up to 85%.","failureModes":["Empty or vague query returns no matches or irrelevant results","Queried capability not indexed in the 500+ server catalog","Prompt-Guard firewall blocks the query if it resembles an injection attempt","Payment not processed leads to HTTP 402 response","Malformed query string causes validation error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to discover which tools or MCP servers exist for a given capability without knowing them in advance, especially in multi-agent swarms where dynamic tool routing across a large catalog is needed and token efficiency is a priority.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T00:34:57.950Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-45369aae"}