Free macOS Menu Bar App Monitors Claude Usage in Real-Time

What It Is
A developer has created a free macOS menu bar application that monitors Claude AI usage in real-time. The entire project was built in a single Claude Code session using the Opus model, demonstrating the capabilities of AI-assisted development for creating functional desktop applications.
Key Features
- Usage Monitoring: Displays 5-hour and 7-day session usage bars directly in the macOS menu bar
- Context Window Tracking: Shows context window fill percentage with auto-compact threshold
- Notifications: Alerts users when approaching usage limits
- Global Hotkey: Keyboard shortcut to toggle the panel
- Monochrome Mode: Option for simplified display
- Native Implementation: Built with SwiftUI using Liquid Glass on macOS Tahoe
- Localization: Supports both French and English languages
- No Account Required: Only needs your existing Claude login
Development Details
The app was created entirely within Claude Code using the Opus model. The developer completed the entire project in one session, generating and iterating on multiple components live including:
- SwiftUI application framework
- OAuth integration for authentication
- Context window monitoring system
- Notification implementation
- Localization setup
- Landing page creation
- DMG packaging for distribution
Availability
The application is free, open source, and available for download. No additional accounts are required beyond your existing Claude login credentials.
Website: https://jeremy-prt.github.io/claude-usage-mini
GitHub Repository: https://github.com/jeremy-prt/claude-usage-mini
📖 Read the full source: r/ClaudeAI
👀 See Also

OpenClaw A2A Plugin: Delegate Work to Remote Agents and Replay Continuation State
A new open-source plugin adds the `remote_agent` tool to OpenClaw, enabling cross-agent delegation with A2A protocol support and continuation state replay.

TREX: Greptile's AI Code Reviewer That Runs Your Code
TREX is a code execution layer built into Greptile's AI code review. It runs the code and shows screenshots, logs, and traces for bugs static analysis misses.

MCP Marketplace Built with Claude Code Features Security Scanning and Monetization
A developer built mcp-marketplace.io using Claude Code for 95% of the codebase, creating a curated marketplace with security scanning for 2,200+ MCP servers and monetization options for creators.

Monitor Your Claude AI Usage with a New Linux Taskbar Widget
A new Linux taskbar widget helps users track their Claude AI subscription usage in real-time, with color-coded feedback and easy installation.