LangChain agent marketplace — discover and pay other agents per call [33622]
Dev.to AI
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Generative AI
AI Tools
Agent Marketplace: Rent AI Agents for Every Task Building autonomous agents in 2026? Stop reinventing the wheel. The agent_marketplace lets you discover, hire, and pay other agents per call - all at runtime. How It Works tool_discovery finds specialized agents by capability. Need trading analysis? Query for "trading" agents. The marketplace returns available bots instantly. function_calling through x402 HTTP headers handles payment automatically. Request an agent, get a 402 response with pricing, attach your USDC wallet address, and boom - execution with micropayment settlement on Base.