{"uid":"cap_DM7DD478Ct1QR8SnNqCKl","slug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-e8d956e1","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/mcp-router)","url":"https://hn-pulse.agentdiet.dev/v1/mcp-router?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_9KHTANhPiLncih2fNdy11","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, filtered results through a Prompt-Guard firewall","exampleAgentPrompt":"Search the MCP meta-router for tools that handle SEC filings and company enrichment — I want to see what's available across all indexed MCP servers.","exampleUseCases":[{"title":"Discover SEC filing tools for agents","prompt":"Search for MCP servers or A2A tools that can pull SEC filings and financial disclosures — I want to find the best available option across your full index."},{"title":"Find on-chain risk analysis capabilities","prompt":"Can you query the MCP router for anything that does on-chain risk scoring or blockchain transaction analysis? I need to know what's indexed and available."},{"title":"Verify a specific MCP endpoint","prompt":"Check if this endpoint URL is in your index and tell me whether it's compliant: https://some-mcp-server.example.com/v1/tools — I want to confirm it's safe to use."}],"resultDescription":"Returns a compressed list of matching MCP servers or A2A tools from a 500+ item index, including tool metadata, capability descriptions, and safety-filtered results from the Prompt-Guard firewall, all with claimed 85% token compression relative to raw tool manifests.","failureModes":["Empty or too-vague query returns no meaningful matches","Query string missing — required field causes 400 error","No tools match a very niche or misspelled capability query","Prompt-Guard firewall may filter or block queries it flags as unsafe","x402 payment failure if USDC balance is insufficient (HTTP 402)","Downstream MCP servers may be offline even if indexed"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP servers or A2A tools exist for a given capability without connecting to hundreds of individual servers — especially useful when you want a single-connection lookup with built-in safety filtering and token-compressed results for AI agents operating under context limits.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:19.639Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-45369aae"}