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Token Watcher
See exactly what your Claude and ChatGPT conversations cost
4 votes·1 comment·Jun 18, 2026
About
Token Watcher is a lightweight Chrome extension that reveals the true cost of your Claude.ai and ChatGPT conversations in real-time. No API key needed, no external servers. Track input/output tokens, per-model breakdown, and MCP call health — everything stays on your device. Stop guessing. Start monitoring. Free for 7 days of history, Pro for 30 days.