{"uid":"cap_5l3KsKcTqn4I0SPd9KDN9","slug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-605fe8eb","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/universal-mcp-gateway)","url":"https://hn-pulse.agentdiet.dev/v1/universal-mcp-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_zlanfubmWxU_0hosP6bR5","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 query, with token compression and prompt firewall protection.","exampleAgentPrompt":"Search the universal MCP gateway for tools that handle SEC filings and company enrichment — I need to find which indexed servers support those capabilities for my agent pipeline.","exampleUseCases":[{"title":"Finding context compression tools for agent pipelines","prompt":"Search the MCP gateway for tools that do context compression — I want to reduce token usage in my multi-agent workflow and need to find indexed servers that support it."},{"title":"Discovering GitHub security audit agents","prompt":"Look up which MCP servers or A2A tools in the universal gateway handle GitHub security audits — I need to route my code review agent to the right endpoint."},{"title":"Locating on-chain risk and DEX intelligence tools","prompt":"Find me all the indexed MCP tools that cover on-chain risk or DEX token intelligence — I'm building a DeFi agent and need to know what's available through the gateway."}],"resultDescription":"A list of matching MCP servers or A2A tool endpoints relevant to the capability query, with compressed metadata describing each tool's capabilities, endpoint URLs, and compatibility signals — filtered through a Prompt-Guard firewall for safety.","failureModes":["Missing or empty query string returns validation error","Query matches no indexed tools and returns empty result set","Gateway index out of date if newly added MCP servers haven't been crawled","Rate limiting or payment failure if x402 payment header is missing or invalid","Broad or ambiguous queries may return too many low-relevance results"],"whenToPreferThis":"Choose this endpoint when you need to dynamically discover which MCP servers or A2A agents support a given capability without hardcoding endpoints, especially when building multi-agent swarms or orchestrators that need to route tasks to the right tool at runtime. Prefer it over manual tool registries when breadth of coverage (500+ servers) and token efficiency matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:05.369Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-45369aae"}