{"uid":"cap_Wj2XT__Ll1Pr-TDxqjavr","slug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-fc159501","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/b2b-osint-dag)","url":"https://x402broker.com/v1/b2b-osint-dag?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_Yj1QEwwFz_MGTJjwaQKAK","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 indexes 500+ MCP servers and A2A tools, letting agents discover and proxy-call any capability via a single connection with 85% token compression and prompt injection firewall.","exampleAgentPrompt":"Search the MCP tool index for servers that handle 'company enrichment' or 'B2B lead data' and route me to the best match with token-compressed results.","exampleUseCases":[{"title":"Discovering tools for SEC filing analysis","prompt":"I need to find an MCP server or A2A tool that can pull SEC EDGAR filings — search the tool index for 'SEC filings' and show me what's available."},{"title":"Safe-proxying a third-party AI tool","prompt":"I want to call an external MCP tool for GitHub security audits but need it routed through a prompt injection firewall — can you discover the right tool and proxy the call safely?"},{"title":"Capability search for context compression","prompt":"Find me any MCP servers in the index that specialize in context compression or token reduction so I can reduce my agent's LLM costs."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools ranked by relevance to the query, with 85% token-compressed capability descriptions, safety-filtered through a Prompt-Guard firewall, and optionally the proxied response from the routed tool.","failureModes":["No matching tools found for the query — returns empty result set","Query too vague — may return low-relevance tool matches","Prompt injection detected by firewall — request blocked with guard alert","Upstream MCP server unavailable — proxy call fails with connectivity error","Rate limit exceeded — 402 payment required for additional calls","Invalid or unresolvable endpoint URL when used in verification mode"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which of 500+ MCP servers or A2A tools best fits a capability requirement, rather than hardcoding tool connections. Ideal for swarm architectures where agents must self-route to the right tool at runtime, or when you need a safe proxy layer with prompt injection protection. Prefer over direct MCP connections when token budget is tight (85% compression) or when you don't know in advance which tool to call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:39:19.543Z","isFirstParty":false,"canonicalSlug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-1b29e69c"}