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AgentBell for Mac

Know when your agent needs you

  • Developer tools
  • Menu bar
  • Free

AgentBell is a free Mac menu bar app for people who run Claude Code or Codex in the terminal. When the agent waits for your approval or finishes, you hear a sound and see a big banner, even over a full-screen app.

AgentBell
AgentBell banner: Claude is waiting for you, with Go to Terminal and Snooze buttons

Key features

CLAUDE CODE AND CODEX ALERTS

Connect in one click. AgentBell rings when the agent needs your approval, your reply, or has finished.

A BANNER YOU CANNOT MISS

A large banner at the top of the screen, even over full-screen apps, with Go to Terminal and Snooze buttons.

JUMP STRAIGHT BACK

Click the banner to land in the right terminal, answer, and let the agent keep going.

REMINDERS AND QUIET TIME

A reminder if you have not answered, and Quiet for 1 hour when you need to focus.

SAFE SETUP

Connect adds one small hook to the agent config and saves a backup first. Remove takes out only what AgentBell added.

Who AgentBell is for

  • Developers who run Claude Code or Codex and switch to other work
  • Anyone who loses minutes because an agent sat waiting for approval
  • Teams that want a custom alert setup

Install

  1. Download AgentBell.dmg and open it.
  2. Press Connect next to Claude Code or Codex.
  3. Go do something else. AgentBell taps you when the agent needs you.

A free alternative to terminal-notifier and macOS notifications

People often look for AgentBell when they want what terminal-notifier or macOS notifications does. AgentBell is free.

Like AgentBell? Get more free Mac apps like it.One short email when a new free Mac app or a great open-source pick is worth installing.

FAQ

Is AgentBell free?

Yes. Every feature is free, with no account and no ads.

Does it answer the agent for me?

No. It only tells you the agent is waiting. You always answer in your terminal.

What does it change on my Mac?

One small hook in ~/.claude/settings.json or one notify line in ~/.codex/config.toml, with a backup saved first.

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