{"uid":"cap_ncO_yEfG0sKM7WJum21b8","slug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-9c2542eb","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/agent-tool-marketplace)","url":"https://x402broker.com/v1/agent-tool-marketplace?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_k8TX4rht4eA7KNfJUzL-M","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 discovers 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened results for agent orchestration.","exampleAgentPrompt":"Search the agent tool marketplace for MCP servers or A2A tools that can do 'company enrichment' — I need to find the right capability to plug into my agent pipeline.","exampleUseCases":[{"title":"Finding tools for SEC filing analysis","prompt":"Can you search the MCP tool marketplace for any agent tools that handle SEC filings or financial document extraction? I want to wire one into my research agent."},{"title":"Verifying a third-party MCP endpoint","prompt":"I found this MCP endpoint URL — can you run it through the tool marketplace to verify it's legitimate and see what capability it actually offers?"},{"title":"Discovering GitHub security audit tools","prompt":"Search the agent tool index for MCP servers that can do GitHub security audits or dependency vulnerability scanning — I need one I can route my coding agent through."}],"resultDescription":"Returns a structured list of matching MCP servers and A2A tools relevant to the capability query, with token-compressed metadata (85% compression), safety screening via Prompt-Guard firewall, and routing information. If an endpoint URL is provided, returns verification details about that endpoint's capability and safety status.","failureModes":["Empty query string returns validation error","No matching tools found for highly specific or obscure queries","Endpoint URL verification fails if the target is offline or malformed","Rate limiting at $0.01/call may apply if quota is exceeded","Generic or ambiguous queries may return low-relevance results"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover new tools or MCP servers at runtime without hardcoding integrations, or when you want a single connection point that indexes 500+ tools with built-in safety filtering and token compression. Prefer it over manually curating tool lists or querying individual MCP registries separately.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:56.784Z","isFirstParty":false,"canonicalSlug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-1b29e69c"}