Run any harness
Use Claude Code, Codex, Gemini CLI and more from one editor. Harnesses
Tyrn Docs
Run any coding harness with any model, in a native editor. Sessions keep running when the window closes.
Start here
Install TyrnGet the app and open your first project.
QuickstartStart your first agent session in a few minutes.
Connect a modelSign in with a subscription, an API key, or a local model.
What you can do
Keep sessions running
Close the window and agents keep working in the background. Sessions
Run agents in parallel
Work on several tasks at once, each in its own session. Parallel sessions
Hand off mid-task
Move a running task to another harness without losing context. Handoff
Bring your own models
Pick the model per session, from any provider. Models
Extend with plugins
Add skills, connectors and plugins to fit your workflow. Plugins