onWatch

onWatch

**Free, open-source AI API quota monitoring for developers.**

Track usage across [Synthetic](https://synthetic.new), [Z.ai](https://z.ai), [Anthropic](https://anthropic.com), [Codex](https://openai.com/codex), [GitHub Copilot](https://github.com/features/copilot), [MiniMax](https://platform.minimax.io), [Gemini CLI](docs/GEMINI_SETUP.md), and Antigravity in one place. See history, get alerts, and open a local web dashboard before you hit throttling or run over budget.

**Links:** [Website](https://onwatch.onllm.dev) | [Buy Me a Coffee](https://buymeacoffee.com/prakersh)

**Trust & Quality**

[](https://github.com/onllm-dev/onwatch/stargazers) [](https://github.com/avelino/awesome-go) [](https://github.com/onllm-dev/onwatch/releases) [](https://codecov.io/gh/onllm-dev/onwatch) [](LICENSE) [](https://goreportcard.com/report/github.com/onllm-dev/onwatch/v2)

**Compatibility & Docs**

[](https://github.com/onllm-dev/onwatch/releases/tag/v2.11.31) [](https://go.dev) [](#quick-start) [](https://pkg.go.dev/github.com/onllm-dev/onwatch/v2)

onWatch fills the gap between "current usage snapshot" and the historical, per-cycle, cross-session view that developers actually need. It runs as a lightweight background agent (<50 MB RAM with all eight providers polling in parallel), stores historical data in SQLite, and serves a Material Design 3 web dashboard with dark/light mode.

It works with any tool that uses Synthetic, Z.ai, Anthropic, Codex, GitHub Copilot, MiniMax, Gemini CLI, or Antigravity API keys, including **Cline**, **Roo Code**, **Kilo Code**, **Claude Code**, **Codex CLI**, **Cursor**, **GitHub Copilot**, **MiniMax Coding Plan**, **Antigravity**, and others.

**Zero telemetry. Single binary. All data stays on your machine.**

**Beta:** onWatch is currently in active development. Features and APIs may change as we refine the product.

[](https://star-history.com/#onllm-dev/onwatch&Timeline)

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