BrowserSkill Lets AI Agents Use Your Logged-In Browser Without Hijacking Sessions

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BrowserSkill, an open-source tool released by Tencent with 1.8k GitHub stars under the MIT license, allows AI agents to operate a user's existing browser instead of launching a new headless instance. The tool consists of two local components — a CLI daemon and a browser extension — enabling agents like Cursor, Claude Code, and Codex to drive a real, already-authenticated browser session. Because it reuses an existing browser with an established device history and valid cookies, it bypasses the fingerprinting and risk-control barriers that typically block automated tools. A dedicated Agent window keeps browser tasks visible and separate from the user's own work, while a built-in human-in-the-loop mechanism pauses the agent and requests manual input when it encounters captchas, logins, or sensitive confirmation dialogs. The project positions itself as complementary to headless automation tools like Playwright, handling tasks that require genuine login state rather than attempting to replicate or fake trusted sessions.

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