{"uid":"cap_W25ODJw1J872qHYSLti37","slug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-c160257f","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://x402broker.com/v1/workflows/execute)","url":"https://x402broker.com/v1/workflows/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_wxDdYgKGm7AZWzgQ1gntn","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"x402broker.com","brandSlug":"x402broker-com-mpp","brandBaseUrl":"https://x402broker.com","brandDocsUrl":null,"whatItDoes":"Meta-router that searches and proxies 500+ MCP servers and A2A tools via a single connection, with 85% token compression and a Prompt-Guard firewall.","exampleAgentPrompt":"Search your MCP tool index for anything that handles context compression or GitHub security auditing — I want to see what's available and get a token-efficient result back.","exampleUseCases":[{"title":"Discovering tools for SEC filings","prompt":"Search your tool index for MCP servers or A2A agents that can pull SEC EDGAR filings — I need to find the right tool to query 10-K and 10-Q data for public companies."},{"title":"Routing a query through a safe proxy","prompt":"I want to send a query about on-chain risk analysis through your safe-proxy router — can you find the best available MCP server for that and route my request through the Prompt-Guard firewall?"},{"title":"Finding lead enrichment capabilities","prompt":"Search your 500+ tool index for anything that handles B2B lead enrichment or company data — I want to discover what's available and get a compressed summary of the best matches."}],"resultDescription":"Returns matched MCP servers and A2A tools relevant to the search query, with token-compressed responses (up to 85% reduction), Prompt-Guard firewall filtering applied, and optionally a proxied result from the selected tool endpoint.","failureModes":["Empty or vague query returns no useful tool matches","Query too broad matches hundreds of tools with low relevance scores","Prompt-Guard firewall blocks a query flagged as potentially unsafe","Target MCP server is offline or rate-limited, causing proxy failure","Malformed query string causes a 400 validation error","Payment not included or invalid causes a 402 payment required response"],"whenToPreferThis":"Choose this endpoint when you need to discover, compare, or proxy calls to any of 500+ MCP servers or A2A tools without managing individual connections. It is the right choice when you want a single-connection meta-router with built-in token compression and prompt safety filtering, especially when you don't know which specific tool to call and need capability-based discovery first.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T00:37:02.420Z","isFirstParty":false,"canonicalSlug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-1b29e69c"}