{"uid":"cap_tQu6-CLjafMQEdxNsP8_-","slug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-caf70a95","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)","url":"https://x402broker.com/v1?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_InufAGlRzJdmmzNBF2FF1","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":"Searches and routes queries across 500+ indexed MCP servers and A2A tools, returning ranked capability matches with token-compressed results and prompt-guard firewall protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for any available capabilities related to 'GitHub security auditing' — I want to find and route to the best matching tool across all indexed servers.","exampleUseCases":[{"title":"Discovering tools for SEC filing analysis","prompt":"I need to find any MCP servers or A2A tools in your index that can handle SEC filings or financial document search — what's available?"},{"title":"Routing queries to the best compression tool","prompt":"Search your tool index for 'context compression' and tell me which MCP servers or agents can help me shrink my token usage most effectively."},{"title":"Verifying a specific endpoint is indexed","prompt":"Can you check whether the endpoint at https://x402broker.com/v1/domain-osint is in the MCP tool index and tell me what capabilities it's listed under?"}],"resultDescription":"Returns a ranked list of matching MCP servers and A2A tools from the 500+ item index, with token-compressed capability descriptions (up to 85% compression), relevance scores, and connection metadata. Results pass through the Prompt-Guard firewall to filter malicious or unsafe tool descriptions before returning.","failureModes":["Empty or vague query returns low-confidence or zero matches","Queried endpoint URL not found in index returns no results","Overly broad query returns too many matches with low relevance","Prompt-Guard firewall may block or redact results from flagged tool descriptions","Index may not reflect newly added MCP servers if not yet crawled"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to discover, enumerate, or route to capabilities across a wide ecosystem of MCP servers and A2A tools from a single connection point. Ideal for swarm orchestration, multi-agent workflows, or when you don't know which specific tool handles a capability. Prefer this over manually querying individual MCP directories or maintaining your own tool registry.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:54.945Z","isFirstParty":false,"canonicalSlug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-1b29e69c"}