Usage4Claude 3.0.0: Open Source macOS Menu Bar Tracker for Claude and Codex
Usage4Claude is a native macOS menu bar app that tracks Claude subscription usage. Version 3.0.0 adds optional Codex support, built-in browser login for Claude, multi-account switching, and localized notifications.
Key Features
- Displays current usage limits in the menu bar: Claude shows 5-hour, 7-day, Extra, 7-day Opus, and 7-day Sonnet limits when available.
- Codex (optional) shows 5-hour, 7-day, and Extra Usage credits side by side with Claude.
- Built-in browser login for Claude — no manual cookie/session digging required.
- Multiple Claude accounts and organizations supported, plus separate Codex account switching.
- Notifications at 90% usage and on usage reset.
- Stores auth in macOS Keychain — no analytics, only usage-related requests.
- Localizations: English, Japanese, Chinese, Korean, French.
Technical Details
Built primarily with Claude Code as the coding partner, handling SwiftUI work, refactors, localization passes, and edge cases around refresh state. The app is open source and independent — not affiliated with Anthropic or OpenAI.
Who It's For
Developers using both Claude and Codex who need a quick, local usage overview without leaving the menu bar.
📖 Read the full source: r/ClaudeAI
👀 See Also

Quanta-SDK v0.9.2 adds MCP server for quantum circuit execution via AI agents
Quanta-SDK v0.9.2 now includes an MCP (Model Context Protocol) server that provides AI agents like Claude or GPT with tools to execute and interpret quantum circuits. The server offers over 20 tools including circuit execution on IBM hardware, result interpretation, noise analysis, and quantum financial pricing.

Free macOS Menu Bar Monitor for Claude AI Usage Limits
A free, open-source macOS tool that displays Claude AI's session usage percentage, weekly limits, and reset countdowns directly in your menu bar. Installs with a single Homebrew command and piggybacks on existing Chrome sessions without storing data.
Claw-Written Plugin Adds Qwen 3.8 27B Thinking Level Support to OpenClaw
A developer shares a plugin, authored entirely by an AI agent, that propagates Qwen 3.8's thinking levels through the chat template, with optional per-call overrides and instruct mode support.

Automating Datadog Alert Triage with Claude Code and MCP
A developer built a system using Claude Code skills and Datadog's MCP server to automatically check monitoring alerts, classify issues, and open fix PRs via cron job. The setup takes about 30 minutes and runs parallel AI agents in isolated worktrees.