{"uid":"cap_bOyvoXS2N243MFGOesBq6","slug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-d7331a79","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/a2a-mesh)","url":"https://x402broker.com/v1/a2a-mesh?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_uE2L-3aOd1f8BfhHPCuXr","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+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt firewall protection","exampleAgentPrompt":"Search the A2A mesh for tools that can handle SEC filings and company enrichment — I need to know what MCP servers are available and routable through x402broker.","exampleUseCases":[{"title":"Finding tools for a specific domain","prompt":"I'm building an agent pipeline and need to find all available MCP tools that support GitHub security auditing — can you search the mesh and tell me what's indexed?"},{"title":"Verifying an agent endpoint before use","prompt":"Before I connect to https://somemcpserver.example.com, can you check if it's a valid, safe endpoint that's indexed on the A2A mesh?"},{"title":"Routing agent to token-efficient tool","prompt":"My agent is burning too many tokens — search the MCP discovery mesh for tools that support context compression and give me the best options with the compressed descriptions."}],"resultDescription":"Returns a list of matching MCP servers or A2A tool endpoints relevant to the query, with capability metadata, compressed tool descriptions (up to 85% token savings), and Prompt-Guard safety filtering applied. May include endpoint URLs, latency/SLA info, and routing recommendations.","failureModes":["Empty or vague query returns no meaningful matches","Query too broad returns overwhelming or low-relevance results","Endpoint URL verification fails if the target is offline or non-compliant","Rate limiting or payment failure if x402 payment not properly attached","Index may not reflect newly added MCP servers not yet crawled"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover the right MCP server or A2A tool from a large indexed registry rather than hardcoding a specific endpoint. Ideal for meta-orchestration, swarm routing, or when token efficiency is critical and you want a single connection point to 500+ tools with built-in safety filtering.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:04.419Z","isFirstParty":false,"canonicalSlug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-1b29e69c"}