TokenScope
Real-time, privacy-first monitoring of your LLM API usage
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TokenScope - Real-time, privacy-first monitoring of your LLM API usage

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TokenScope is a lightweight browser extension that quietly watches the LLM API calls made by any tab - ChatGPT, Claude, Gemini, or any OpenAI-compatible endpoint - and shows you in real time exactly how many tokens went in and out. Zero config. No account needed. 100% local - nothing ever leaves your browser. Works with ChatGPT, Claude, Gemini, OpenRouter, DeepSeek, and any custom gateway.

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New User
Hunter
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I built TokenScope because I was tired of guessing how many tokens I was burning through across different AI tools. As someone who uses ChatGPT, Claude, and various self-hosted models daily, I wanted a single, privacy-first view of my token usage that didn't require signing up for yet another service. Key features: - Zero configuration - install and it just works - Supports OpenAI, Anthropic, Google Gemini, and any OpenAI-compatible endpoint - 100% local - all data stays in your browser - Real-time token counting with live cost estimates - Export to JSON or CSV - Bilingual UI (English & Chinese) It's completely free and open source. Would love to hear your feedback! 🚀