BoxLang AI 3.0 introduces a structured tool ecosystem for LLM function calling built around a three-layer hierarchy: ITool interface, BaseTool abstract class, and concrete implementations like ClosureTool and MCPTool. BaseTool makes invoke() final to guarantee lifecycle events, execution timing, and result serialization across
Table of contents
The Tool HierarchyBaseTool — The Abstract FoundationClosureTool — Zero-Boilerplate Tool CreationThe Global AI Tool RegistryBuilt-In Core Tools — now@bxaiMCPTool — MCP Server ProxyBuilding a Custom Class-Based ToolMCP Server SeedingPutting It All TogetherWhat's NextSort: