{"uid":"cap_e-rg1VoetPSn8pLycmU4P","slug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-1e380366","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/execute)","url":"https://hn-pulse.agentdiet.dev/v1/execute?utm_source=zero.xyz","method":"POST","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_mA8VrcsOGX-wWDuo9-ZVA","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-filtered tool routing results via a single connection.","exampleAgentPrompt":"Search the MCP and A2A tool index for any available tools that handle SEC filings or company enrichment — I need the best match with token-compressed results.","exampleUseCases":[{"title":"Finding a tool for context compression","prompt":"Search the A2A and MCP tool registry for anything that can do context compression or token reduction — I want to know what's available and which endpoint to call."},{"title":"Discovering GitHub security audit tools","prompt":"Look through the MCP tool index for any agents or servers that can audit a GitHub repository for security issues or supply-chain vulnerabilities."},{"title":"Routing swarm tasks to domain OSINT tools","prompt":"I need to find the right MCP server or A2A tool for domain OSINT and email verification — search the tool index and give me the best match."}],"resultDescription":"Returns a compressed, firewall-validated list of matching MCP servers and A2A tools relevant to the capability query, including endpoint references and tool descriptors, with up to 85% token compression applied.","failureModes":["Empty or vague query returns no matching tools","Query matches no indexed MCP servers or A2A agents","Prompt-Guard firewall blocks query flagged as adversarial","Upstream MCP server unavailable or unresponsive","Payment required (HTTP 402) if x402 micropayment not provided","Idempotency-Key collision causes unexpected replay behavior"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to call for a given capability, rather than hardcoding a specific tool. Ideal for swarm orchestration, multi-agent pipelines, or when building a general-purpose agent that must route tasks across a large, evolving tool ecosystem. Prefer this over direct tool calls when the right tool is unknown at design time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-01T18:33:56.237Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-45369aae"}