Sidekick Browser is a cross-platform lightweight desktop app that turns a visible Chromium window into an AI-powered browser agent you can watch in real time. It is built on electron and Playwright MCP with a proprietary agent layer.
Goal: “Atlas-like” browser agent experience, without forking Chromium.
- Platforms: Windows / macOS / Linux
- Engine: Electron (Chromium + Node)
- Automation: Playwright, exposed as an MCP tool server
- Reasoning: LLM-based agent loop, acting as an MCP client
sidekick-browser/
├─ README.md
├─ package.json
├─ pnpm-workspace.yaml
├─ tsconfig.base.json
└─ apps/
└─ desktop/
├─ electron-main/
├─ renderer/
└─ scripts/
└─ packages/
├─ mcp-playwright/
├─ agent-core/
└─ shared/