{"uid":"cap_1QCjV3BBcNLuROMEA0JxR","slug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-23cb8afb","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/api/mcp/audit)","url":"https://hn-pulse.agentdiet.dev/api/mcp/audit?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_tPYRBrvI5jcgsHmGyCq7v","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 a meta-index of 500+ MCP servers and A2A agent tools by capability query, returning compressed, safe-proxied tool results with prompt-guard firewall protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for servers that handle 'SEC filings' — I want to find and route to the right tool without scanning hundreds of endpoints myself.","exampleUseCases":[{"title":"Find prompt firewall tools for agent safety","prompt":"Search the MCP tool index for anything related to 'prompt guard' or 'prompt firewall' — I need to know which servers in the swarm can sanitize or block malicious prompts before they reach my agent."},{"title":"Discover company enrichment tools for lead pipeline","prompt":"Look through the A2A and MCP tool directory for capabilities related to 'company enrichment' or 'B2B lead' — I want to find the right tool to plug into my sales pipeline agent."},{"title":"Route to GitHub security audit capability","prompt":"I need to find an MCP server that can do GitHub security audits — search the swarm index for 'github security' and tell me which tools are available and what they do."}],"resultDescription":"Returns a compressed list of matching MCP servers or A2A tools from a 500+ entry index, including tool names, capability descriptions, and routing metadata, filtered through a Prompt-Guard firewall to prevent malicious content propagation.","failureModes":["Empty or too-generic query returns low-relevance results","Query matches no indexed tools, returning empty result set","Endpoint URL verification fails if the target is unreachable","Rate limiting or payment failure (HTTP 402) if payment not properly handled","Prompt-Guard firewall may block queries that resemble injection attempts"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover and route to the right MCP server or A2A tool from a large index without hardcoding individual tool URLs. Especially useful for swarm orchestration, capability search across heterogeneous agent ecosystems, or when you want a single connection point with built-in token compression and prompt safety filtering rather than querying each MCP registry individually.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:46:50.833Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-45369aae"}