Get iStable, the CLI for your agent harness

Use your collaborator access to reach the gated builds.

Get your build

Download the build for your platform, or run the installer script.

Run it

Open a terminal and run istable to see what it can do.

Standalone builds

macOS (Intel)

Standalone build with Python bundled. Collaborator access during early access.

macOS (Apple Silicon)

Standalone build for M-series Macs, no Python needed. Collaborator access.

Linux (x86_64)

Standalone build for glibc-based distributions. Collaborator access.

Windows (x86_64)

Standalone .exe build. Some commands also need Git Bash.

Script and source

Installer script (macOS and Linux)

One script picks the right build for your machine, verifies it and installs it. Needs repository access.

From source (Python 3)

Run the installer from a clone. Standard library only, no third-party packages.

Run from a checkout (Python 3, standard library only):

python3 install/istable_install.py

Review console

iJockey (included with the iStable CLI)

Nothing extra to download: install the iStable CLI above and run istable jockey. Collaborator access during early access.

Review a pull request, or a local checkout:

istable jockey https://github.com/your-org/your-repo/pull/42
istable jockey .

No install needed

iHarness console (any browser)

Nothing to install: sign in to the iHarness console to manage projects, keys and agents.

Use with your coding agent

iStable plugs into coding agents such as Claude Code, Codex, Kiro and opencode.