Open-source AI agent desktop app for Windows & macOS. One-click install Claude Code, MCP tools, and Skills — with sandbox isolation, multi-model support, and Feishu/Slack integration.
Open Cowork is an open-source desktop application for Windows and macOS that helps users install and use Claude Code, MCP tools, and Skills. It is intended for people who want a graphical way to work with coding agents, multiple models, sandboxed environments, and Feishu or Slack integrations. The catalogue skills extend its agent-oriented workflow.
Latest release v3.3.1 · 23 May 2026
5 files for Claude Code: docx, pdf, pptx, skill-creator and 1 more .
.claude/skills/docx/SKILL.md A 77 tok .claude/skills/pdf/SKILL.md A 50 tok .claude/skills/pptx/SKILL.md B 62 tok .claude/skills/skill-creator/SKILL.md A 45 tok .claude/skills/xlsx/SKILL.md A 96 tok These files are OpenCoworkAI/open-cowork's own configuration — they tell Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.