NapCat

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$7.99Starting price
3KMonthly visits
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About NapCat

NapCat is a desktop application for macOS that provides a live view of AI coding agents such as Claude Code and Codex within the MacBook notch. It displays the status of active sessions, including working, needs user input, or completed tasks, allowing users to jump back to exact sessions or review file changes before granting permissions. The tool includes a private “nap screen” that keeps long-running processes active while preventing display or system sleep. NapCat supports multiple AI agent CLIs at the process level and offers customizable island shapes, module layouts, and nap screen settings. It emphasizes local-first operation, with monitoring and activity data remaining on the user’s Mac unless optional analytics are enabled. The app integrates with Anthropic’s usage meter for Claude Code and provides detailed provider context without exposing prompts or responses to external servers.

Key features

  • Live agent status display in the MacBook notch
  • Screen naps to prevent system sleep during long runs
  • Permission previews and input forms for agent actions
  • Rich local context for Claude Code and Codex sessions
  • Process-level monitoring for other recognized AI agent CLIs
  • Customizable island shape, layout, and module visibility
  • Quiet hours and customizable event notifications
  • Local bridge for lifecycle events and permission decisions

Use cases

  • Monitoring long-running AI coding sessions without losing context
  • Reviewing and approving agent file changes before execution
  • Keeping build processes active during system idle periods

Pros

  • Displays real-time AI agent status in the MacBook notch
  • Keeps long-running processes active without system sleep
  • Supports multiple AI coding agents including Claude Code and Codex
  • Local-first monitoring with optional privacy-preserving analytics
  • Customizable island shape, layout, and nap screen appearance

Cons

  • Requires macOS 13 or later on Apple Silicon
  • No free tier beyond a two-day trial
  • Limited to macOS platform
  • Optional analytics may collect usage data

Frequently asked questions about NapCat

What does NapCat do?

NapCat is a macOS desktop application that monitors active AI coding agents like Claude Code and Codex directly in the MacBook notch. It displays real-time status updates, allows users to return to exact sessions, review file changes, and manage permissions without leaving the workflow.

Who is NapCat designed for?

NapCat is designed for developers and teams using local AI coding agents such as Claude Code or Codex CLI. It suits users who want to monitor long-running processes, manage permissions efficiently, and maintain focus without switching between multiple windows.

Does NapCat collect or expose my code or prompts?

No. NapCat operates locally-first, meaning all monitoring data, prompts, responses, and project details remain on the user’s Mac. Optional analytics do not include prompts, responses, project names, or paths unless explicitly enabled by the user.

Which AI coding agents does NapCat support?

NapCat supports Claude Code and Codex with the richest session context, including lifecycle events and permission decisions. It also recognizes popular local agent CLIs at the process level, such as Gemini CLI, Cursor, OpenCode, and others listed on the agents page.

How does the nap screen feature work?

The nap screen keeps long-running processes active while preventing display or system sleep. It overlays a customizable screen that maintains agent activity, allowing builds, agents, and downloads to continue running in the background without interruption.

What are the pricing and licensing terms for NapCat?

NapCat is available for a one-time purchase, granting access to the Mac app and all updates within the 1.x version range. Licenses can be moved between Macs but only one machine can be active at a time. A two-day free trial is available without requiring a credit card.

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