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What you can do with Janus

Janus is a small macOS menu bar app that switches between saved Claude Code and Codex accounts and clears developer caches by moving them to the Trash.

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RamitVishwakarma/Janus on GitHub

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What do you want to do?

4 use cases

  • Switch between Claude Code accounts in one click

    Save each Claude Code login once, then swap the live session from the macOS menu bar.

    View prompt
    Using the Janus repo at RamitVishwakarma/Janus, explain how to save the Claude Code account currently signed in on this Mac and switch to <target account name>. Report the list of saved accounts and which one is live. Verify that the live account in the menu bar matches the account you switched to.

  • Check which Claude account has room left before work

    Refresh per-account five-hour and weekly usage so you can choose the account with the most room.

    View prompt
    Using the Janus repo at RamitVishwakarma/Janus, describe how to refresh usage figures for all saved Claude Code accounts in Janus. Output a table of each account with its five-hour and weekly usage and whether each figure was fetched or cached. Verify that the figures for the signed-in account match Claude Code's own limits display.

  • Switch between Codex accounts and API-key sign-ins

    Save each Codex sign-in, including separate ChatGPT plans and API keys, and swap them from the menu bar.

    View prompt
    Using the Janus repo at RamitVishwakarma/Janus, explain how to save each Codex sign-in on this Mac, including ChatGPT and API-key accounts, and switch to <target account email or key suffix>. Report the saved Codex accounts with their plan or key suffix. Verify that the live file at ~/.codex/auth.json now belongs to the target account.

  • Clear developer caches without permanent deletion

    Measure build and package caches, see what each costs to lose, and move the ones you pick to the Trash.

    View prompt
    Using the Janus repo at RamitVishwakarma/Janus, list the developer cache directories Janus measures on this Mac and their sizes. Report which ones are greyed out because their app is running. Verify that nothing was deleted permanently by checking that cleared items appear in the Trash.

How to use Janus

  1. Check you have what it needs: A Mac running macOS (the README says macOS only); Claude Code or Codex installed and signed in to at least one account; Homebrew, or a manual download of the latest .dmg from Releases.
  2. Open RamitVishwakarma/Janus on GitHub and read the README and license.
  3. Install Janus with brew install --cask --no-quarantine ramitvishwakarma/tap/janus, or download the latest .dmg from Releases and drag Janus to Applications.
  4. If you downloaded the .dmg by hand, run xattr -dr com.apple.quarantine /Applications/Janus.app once, then run open /Applications/Janus.app.
  5. With the first account signed in to Claude Code, open Janus and press Save current account.
  6. Sign out of Claude Code, sign in as the second account, return to Janus, and press Save current account again.

These steps come from our top use case, Switch between Claude Code accounts in one click, which also has a copy-paste agent prompt.

Janus alternatives · Best AI repos for Software and DevOps

About this repo

Requirements

  • A Mac running macOS (the README says macOS only)
  • Claude Code or Codex installed and signed in to at least one account
  • Homebrew, or a manual download of the latest .dmg from Releases
  • Xcode Command Line Tools if you build from source
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Questions about Janus

What is Janus?

Janus is a small macOS menu bar app that switches between saved Claude Code and Codex accounts and clears developer caches by moving them to the Trash. It is an open-source project on GitHub: https://github.com/RamitVishwakarma/Janus.

Who is Janus for?

Built for developers on macOS who keep several Claude Code or Codex accounts or whose developer tools quietly fill the disk.

What can I do with Janus?

4 use cases so far, for example: Switch between Claude Code accounts in one click; Check which Claude account has room left before work; Switch between Codex accounts and API-key sign-ins. Each has steps and a copy-paste agent prompt.

What do I need to run Janus?

A Mac running macOS (the README says macOS only); Claude Code or Codex installed and signed in to at least one account; Homebrew, or a manual download of the latest .dmg from Releases; Xcode Command Line Tools if you build from source.

What are alternatives to Janus?

Other hot AI repos in Software and DevOps: Harness2, iFixAi, Orca, Diagram Design, AI Memory.

Is Janus safe to run?

Deduped does not own, audit or vouch for it. Read the README and license, run it on your own systems first and review every command before you run it.