Lark CLI, an open-source command-line tool from Lark.

Lark CLI, Lark's open-source CLI tool, supports command-line control of all core Lark functions, including 11 business domains such as messaging, documents, spreadsheets, calendar, email, and meetings. It offers over 200 commands and 19 AI Agent Skills. Designed natively for AI Agents, the tool seamlessly integrates with mainstream AI programming tools such as Claude Code and Codex, allowing users to use natural language commands to enable AI to automatically perform Lark operations.