{"uid":"cap_R3TtVY5SVL1tRzTDb0cRZ","slug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-11e17acb","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/swarm-router)","url":"https://x402broker.com/v1/swarm-router?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_uMSP2Vkibcxujo5tq_REd","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 to 500+ MCP servers and A2A tools via a single meta-router connection with 85% token compression and a Prompt-Guard firewall.","exampleAgentPrompt":"Search the swarm router for MCP tools that handle 'SEC filings' and tell me which ones are available — I need a single connection that routes me to the right agent without blowing up my token budget.","exampleUseCases":[{"title":"Discovering MCP tools for a new agent","prompt":"I'm building an autonomous agent and need to find all available MCP servers that handle GitHub security auditing — can you search the swarm router for 'github security' and return the best matching tools?"},{"title":"Routing capability query to right backend","prompt":"My agent needs company enrichment data — search through the 500+ indexed A2A tools and find me the right endpoint to call, ideally with compressed output so I don't waste tokens."},{"title":"Verifying an endpoint before calling it","prompt":"Before I integrate this tool, can you run the URL https://x402broker.com/v1/sec-filings through the swarm router to verify it's a legitimate, indexed MCP endpoint?"}],"resultDescription":"Returns a compressed list of matching MCP servers or A2A tools relevant to the query, including their capabilities, routing metadata, and endpoint details — with up to 85% fewer tokens than raw documentation. May also return firewall/safety status for queried endpoints.","failureModes":["Empty query string returns validation error","No matching tools found for obscure capability query returns empty result set","Unrecognized endpoint URL during verification returns null or unindexed status","Payment not completed results in HTTP 402 response blocking access","Malformed query may pass Prompt-Guard firewall check but return low-relevance results"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP server or A2A tool to call without hardcoding specific endpoint URLs — especially useful for multi-step workflows where the right tool depends on the task at hand, or when token budget is a constraint and compressed routing is needed. Prefer over direct tool calls when the target capability is unknown or when safe-proxying through a firewall is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T00:36:14.293Z","isFirstParty":false,"canonicalSlug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-1b29e69c"}