{"uid":"cap_6XQ55NCxwEi_6H6sW0n5u","slug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-73646c55","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/a2a-router)","url":"https://hn-pulse.agentdiet.dev/v1/a2a-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_Wwa_v1edyZ8Kl3ubij_vp","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":"Discovers and routes to 500+ MCP servers and A2A tools via a single connection, with token compression and prompt injection firewall","exampleAgentPrompt":"Search the MCP and A2A tool registry for any available tools that handle SEC filings or company enrichment, and tell me which ones are available right now.","exampleUseCases":[{"title":"Finding a GitHub security audit tool","prompt":"Search the agent tool network for any MCP server or A2A tool that can do GitHub repository security audits — I want to know what's available and how to connect to it."},{"title":"Routing to a domain OSINT capability","prompt":"Find me an MCP tool in the registry that specializes in domain OSINT or WHOIS lookups — I need to run background checks on a few suspicious domains."},{"title":"Discovering token-compressed context tools","prompt":"I want to find any tools in the MCP network that support context compression — specifically ones that can shrink my prompt context before sending it to a model."}],"resultDescription":"Returns a structured list of matching MCP servers or A2A tools relevant to the query, with metadata about each tool including capabilities, connection details, and safety-filtered (Prompt-Guard) results. Token-compressed to reduce overhead by up to 85%.","failureModes":["Empty result set if no tools match the query string","Timeout or 402 payment required if micropayment not completed","Prompt-Guard firewall blocks queries flagged as injection attempts","Malformed query (empty string) rejected due to minLength:1 constraint","Unavailable backend MCP servers may not appear in results"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover or route to one of many MCP or A2A tools without maintaining separate integrations for each. It is especially useful for swarm architectures, agent orchestration pipelines, or when you need a safety-filtered (prompt injection protected) proxy layer over a large tool ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:37.726Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-45369aae"}