{"uid":"cap_RjZ35NGs2xhx3C3bYlrOr","slug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-bc20a9b7","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/security-audit-dag)","url":"https://x402broker.com/v1/security-audit-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_zQxZvmYX3PEen5XGqfXdj","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 across 500+ MCP servers and A2A tools via a single connection, with token compression and prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for capabilities related to 'SEC filings' and route me to the best matching server — I want token-compressed results and prompt-injection protection enabled.","exampleUseCases":[{"title":"Discover tools for GitHub security auditing","prompt":"Search across all indexed MCP servers and A2A tools for anything that can do GitHub security audits or code vulnerability scanning, and give me the top matches with compressed output."},{"title":"Route agent to company enrichment tool","prompt":"I need to find an MCP server or A2A tool that handles B2B company enrichment and lead data — can you query the meta-router and tell me which one to use?"},{"title":"Verify an endpoint URL before calling it","prompt":"Before my agent calls this endpoint URL, can you run it through the tool discovery router to verify it's indexed and safe to proxy through the Prompt-Guard firewall?"}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, with token-compressed metadata and firewall-filtered results indicating tool capabilities, endpoints, and routing recommendations.","failureModes":["Empty or too-broad query returns low-relevance results","Unrecognized endpoint URL returns no match","Token compression may drop edge-case metadata fields","Prompt-Guard firewall may block queries containing injection-like patterns","503 or timeout if underlying MCP index is unavailable"],"whenToPreferThis":"Choose this endpoint when an agent needs to discover which of 500+ MCP servers or A2A tools to use for a given capability, especially when token efficiency matters or when prompt-injection safety is a concern. It is preferable over manual tool registries when the agent operates in a multi-tool swarm and needs a single-connection routing layer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:37:35.730Z","isFirstParty":false,"canonicalSlug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-1b29e69c"}