Download

Install CLI or Desktop

Same local library either way. Start in the terminal, or use the desktop app with an embedded agent sidecar.

Desktop

HarnessTap Desktop

Tauri app with a local ht-agent sidecar. Same library as the CLI at ~/.harnesstap.

Detecting your platform…

Latest release: v1.1.0

All desktop builds

Other OS and architecture installers from the same latest release.

macOS

Windows

Linux

All releases on GitHub, including checksums.

CLI

HarnessTap CLI

Local apply, env swap, and drift-aware sync. Requires Node.js 20 or later.

Recommended: npx (no global install)

npx harnesstap@latest init

npm global

npm install -g harnesstap
ht init

Bun (alternative)

bun install -g harnesstap
bunx harnesstap@latest init

ht is shorthand for harnesstap. Continue with CLI getting started for init, first apply, and the scan/compose/publish loop.

After you install

Desktop setup, workspaces, and how the app shares state with the CLI are in the docs.

Desktop documentation