Quick Use
- Install:
npm install -g emdash - Run:
emdash - Create parallel agent sessions:
emdash run "Fix the login bug" --agent claude-code
emdash run "Add auth module unit tests" --agent codex
emdash run "Refactor database queries" --agent gemini-cliEach agent runs in its own git worktree, with no interference.
Intro
Emdash is an open-source agent development environment backed by Y Combinator (W26), with 3,600+ GitHub stars. Run multiple AI coding agents concurrently, each isolated in its own git worktree. Supports 20+ agents including Claude Code, Codex, and Gemini CLI. Ideal for teams and solo developers who want to parallelize AI-assisted development workflows.
Source & Thanks
Created by General Action. Licensed under MIT.
emdash — ⭐ 3,600+