{"uid":"cap_OwRENIyzN2TwgZneZNvnP","slug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-b393dd85","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/crypto-alpha-dag)","url":"https://x402broker.com/v1/crypto-alpha-dag?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_yHxBnDHxQDNVTpjQbU_qY","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 meta-router endpoint with token compression and prompt firewall","exampleAgentPrompt":"Search the MCP tool index for any available servers that handle SEC filings or company enrichment — I need to find the right capability to route my next agent task through.","exampleUseCases":[{"title":"Discovering tools for SEC filings","prompt":"Search the MCP meta-router for any tools or servers that can pull SEC filings or EDGAR data — I want to know what's available before I wire up my research agent."},{"title":"Validating a third-party MCP endpoint","prompt":"Can you check whether this endpoint URL is safe and legitimate in the MCP tool index? I want to verify it before my agent starts proxying calls through it."},{"title":"Finding context compression capabilities","prompt":"Search the A2A and MCP tool registry for anything related to context compression or token reduction — I'm trying to cut down on token usage in my swarm agent pipeline."}],"resultDescription":"Returns a filtered, token-compressed list of matching MCP servers or A2A tools relevant to the query, including endpoint metadata and safety scores from the Prompt-Guard firewall. For URL queries, returns a trust/validity assessment of the submitted endpoint.","failureModes":["Empty or too-vague query returns no useful matches","Endpoint URL validation may return inconclusive trust score for unknown domains","Token compression may strip context needed for nuanced capability matching","Rate limiting or payment failure returns HTTP 402","Overly broad queries may return too many results to be actionable"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool can fulfill a given capability at runtime, especially in multi-agent swarm architectures where routing decisions must be made programmatically. Prefer it over static tool registries when you need live index coverage, built-in safety filtering via Prompt-Guard, and token-compressed responses to minimize LLM context overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:13.817Z","isFirstParty":false,"canonicalSlug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-1b29e69c"}