Your questions, answered.

It's free. Everyday use will stay free. Some power-user features may be paid later; if that happens, it will be clear which ones before you rely on them.

Not yet. Early access builds are coming soon. Once they're out, they update themselves and ask before installing anything.

A Mac with Apple silicon on macOS 15 or later, git, and the agents you already use.

Asterism is a Mac app. Running agents on other machines, including Linux boxes, from the same sidebar is planned.

Not today. Asterism is free to use, and we haven't decided whether to open the source. If that changes, you'll hear it here first.

Anything you can run in a terminal on your Mac. Claude Code and Codex report their status out of the box through hooks, so Asterism knows when they're working and when they need you. Status hooks for more agents are coming, along with a command any tool or script can call to report its own status.

Yes. Asterism runs the agent CLIs you already use, signed in the way you already are, so a Claude Pro, Max or Team plan works as it is, and so does Codex with your ChatGPT sign-in. No API key, no separate credits.

They keep running. Each terminal is its own process owned by a small background service, not by the window. Reopen Asterism and you're back on the exact screen, or attach from any terminal with aster attach.

Two agents in one checkout overwrite each other's changes. A git worktree per task gives each agent its own branch and files, while they share the same repository. Asterism creates them, runs your setup script, and lists the ones you can clean up once their work has merged.

It doesn't have to, but it can. Every pane is a full terminal on the same engine as Ghostty, with your config, fonts and keybinds, and we use Asterism as our everyday terminal. Keep yours if you prefer; the aster CLI works from any of them.

Today your setup script can give each workspace its own port. Built-in support is planned: Asterism will hand each workspace its own port range and map it for your project, so several copies of your dev server can run side by side.

tmux keeps sessions alive too. Asterism adds what tmux doesn't know about: a worktree per task, which agent is working or waiting on you, notifications, pull request and CI status, and what the work cost. And it's scriptable with the same CLI.

Yes. Everything the app does is an aster command, and every command takes --json. An agent can create workspaces, start other agents and check on them.

No. Without it you get workspaces, agents and notifications. Connect GitHub or GitHub Enterprise to see pull request, review, CI and stack status per workspace. GitLab and other code hosts are planned.

No. Your agents talk to their own providers as they always do; Asterism doesn't add to that. It never stores prompts, replies or tool output, and it only reads from the code hosts you set up.

Calls to the code hosts you connect, a once-a-day download of model prices for cost tracking, which you can turn off, and an update check that asks before installing anything.

In the macOS Keychain. The background service holds them in memory only and never writes them to its database or logs.

No. If that ever changes, it will be off by default, and Asterism will tell you clearly and ask before turning it on. We value your privacy as much as you do.