{"uid":"cap_80AqoBj1PQuXEDLoPjOiq","slug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-daad0a28","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/security-audit-dag)","url":"https://hn-pulse.agentdiet.dev/v1/security-audit-dag?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_BwnfTFGzvYIx5oc-TCXzP","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 tools by capability query, returning compressed, firewall-screened results with token-efficient routing via a single connection.","exampleAgentPrompt":"Search the MCP tool index for agents that handle 'company enrichment' and show me what's available — I need token-compressed results I can route to directly.","exampleUseCases":[{"title":"Discovering SEC filings agents","prompt":"I need to find MCP servers or A2A tools in the index that can pull SEC filings data — search for 'sec filings' and tell me what's available."},{"title":"Finding a GitHub security audit tool","prompt":"Search the MCP tool discovery index for 'github security' and give me the best matching endpoints I can use to audit a repository."},{"title":"Routing context compression capability","prompt":"Look up 'context compression' in the A2A and MCP swarm index — I want to find a tool I can route requests through to reduce my token usage."}],"resultDescription":"A JSON object listing matched MCP servers or A2A tools relevant to the query, with compressed capability descriptions and routing references, filtered through a Prompt-Guard firewall to remove adversarial content.","failureModes":["Query returns no matches if the capability is not indexed among the 500+ servers","Malformed or missing 'query' parameter returns a 400 validation error","Payment required error (HTTP 402) if x402 USDC micropayment is not satisfied","Timeout if downstream MCP server discovery is slow","Results may be stale if indexed servers have changed their capabilities"],"whenToPreferThis":"Use this endpoint when an AI agent needs to discover which MCP servers or A2A tools are available for a given capability without connecting to each one individually. Prefer it over direct tool registries when you want 85% token-compressed results, built-in prompt injection firewall screening, and single-connection access to a broad index of 500+ tools spanning domains like SEC filings, GitHub audits, email verification, DEX intelligence, and more.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:32.627Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-45369aae"}