A dev environment for AI agents.
Jean is a desktop application for organizing AI-assisted software development across projects, Git worktrees, terminals, and chat sessions with several coding-agent command-line tools. Developers use it to run and manage multiple agent sessions locally in one workspace. Its catalogue add-ons support workflows performed inside Jean.
Latest release v1.0.12 · 17 Oct 2026
10 files for Claude Code, Codex, OpenCode and Gemini CLI: codebase-mental-model-documenter, react-architect, tauri-rust-expert, ui-design-expert and 6 more — 15,126 tokens loaded in every session.
AGENTS.md A 7,388 tok CLAUDE.md A 7,725 tok GEMINI.md A 13 tok .claude/agents/codebase-mental-model-documenter.md A — .claude/agents/react-architect.md A — .claude/agents/tauri-rust-expert.md A — .claude/agents/ui-design-expert.md A — .claude/agents/user-guide-expert.md A — These files are coollabsio/jean's own configuration — they tell Claude Code, Codex, OpenCode and Gemini CLI 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.