T3 Code

T3 Code is a minimal web GUI for coding agents (currently Codex and Claude, more coming soon).

Installation

[!WARNING] T3 Code currently supports Codex and Claude. Install and authenticate at least one provider before use:

• Codex: install Codex CLI and run codex login
• Claude: install Claude Code and run claude auth login

Run without installing

npx t3

Desktop app

Install the latest version of the desktop app from GitHub Releases, or from your favorite package registry:

Windows (winget)

winget install T3Tools.T3Code

macOS (Homebrew)

brew install --cask t3-code

Arch Linux (AUR)

yay -S t3code-bin

Some notes

We are very very early in this project. Expect bugs.

We are not accepting contributions yet.

Observability guide: docs/observability.md

Performance benchmarks

See docs/perf-benchmarks.md for the local perf harness, seeded scenarios, artifact format, and the commands for automated and manual benchmark runs.

If you REALLY want to contribute still.... read this first

Read CONTRIBUTING.md before opening an issue or PR.

Need support? Join the Discord.