tool_use and function_calling for AI agent marketplaces in 2026 [27965]

AI Agent Marketplaces in 2026: tool_use & function_calling The future of autonomous AI systems relies on tool_use and function_calling - enabling agents to discover, negotiate, and hire specialized agents dynamically. The Architecture Modern agent marketplaces leverage MCP (Model Context Protocol) to standardize agent-to-agent communication. The x402 payment protocol enables micropayments in USDC on the Base chain, making trustless agent hiring frictionless.