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Install help

Install Fireball Wrangler Host on a Mac

For macOS 14 Sonoma or later, on Apple silicon or Intel. Fireball Wrangler Host is notarized by Apple and updates itself.

You need

  • macOS 14 Sonoma or later.
  • About 300 MB free.

Install

The usual Mac way: drag it to Applications.

  1. Open the download

    Double-click FireballWrangler.dmg in Downloads. A window opens.

  2. Drag it to Applications

    Drag Fireball Wrangler Host onto the Applications folder in that window.

    Fireball Wrangler Host
    Fireball Wrangler Host
    Applications
    Illustration: Fireball Wrangler Host

  3. Open it

    Open it from Applications (or Spotlight: ⌘ Space, then type its name). The first time, macOS checks it and asks if you're sure. Click Open.

    macOS

    “Fireball Wrangler Host” is an app downloaded from the Internet. Are you sure you want to open it?

    Apple checked it for malicious software and none was detected.

    CancelOpen
    Illustration: macOS

The first time it opens

Fireball Wrangler Host opens to Get ready: sign in with your Fireball account, then add an AI account (Claude Code, Codex, Gemini and more). Wrangler downloads and sets up each AI's command-line tool for you and opens its sign-in in your browser. When every row is checked, Start lights up.

Tools to install yourself

Wrangler sets up the AI tools for you. These few need your computer's own installer, so paste them into Terminal. Get ready shows the same commands if one is missing.

  • Git

    Required. Your agents use it to work on code. This installs Apple's Command Line Tools, which include it.

    xcode-select --install

  • GitHub CLI

    Optional. Needed for GitHub Projects sync and for agents to open issues and pull requests. Uses Homebrew (brew.sh).

    brew install gh

    Then sign in to GitHub:

    gh auth login

If something's off

macOS says it can't check the app for malicious software.
That only happens with a copy that didn't come from this page. Delete it and download again from here.
How do I update?
Fireball Wrangler Host checks by itself and installs updates when you quit it. To check now, use the app menu ▸ Check for Updates.
How do I remove it?
Quit it, then drag Fireball Wrangler Host from Applications to the Trash.

Still stuck? .