Mosaik

Desktop command center for AI services

Mosaik runs in your system tray. Press Ctrl+Space, type an AI service name, and hit Enter. The app launches or switches to that service instantly. No browser tabs, no clutter.

What it does

Command palette

Global frameless overlay (Ctrl+Space)
Type an AI name → Enter launches or switches

Window management

Single instance lock, no duplicate processes or tray icons
Right-click menus for Copy, Paste, Inspect Element
External links open in your default browser

Session isolation

Mode	Behavior
Global	Share cookies across services. Log into Google once for Gemini and AI Studio.
Private	Each service gets its own cookie jar. Run Work ChatGPT and Personal ChatGPT side by side.

Performance

Unloads inactive AI models from RAM
Custom User-Agent (Chrome 120/Electron 28) and webdriver spoofing
Hides website scrollbars and navigation sidebars via CSS injection

Where data lives

Platform	Path
Windows	`%APPDATA%/roaming/mosaik`

Contains services.json, assets folder, and session partitions. Mosaik never sends your cookies or credentials to any server.

Command line

Argument	Effect
`--startup`	Launches to system tray without opening a window

Install

Requirements

Node.js (v18 or higher)

git clone https://github.com/noahain/mosaik
cd mosaik
npm install
npm run dev

Build executable

npm run dist

The installer appears in dist/. The build uses assets/icons/icon.ico.

Screenshots

_{Claude in Mosaik}

_{ChatGPT in Mosaik}

Tech stack

Electron · BrowserView · IPC · Node.js

Development team

Lead: Noahain - product design, security bypassing, logic direction
Primary developer: Claude Code (Kimi K2.5) - BrowserView architecture, IPC bridging
Technical consultant: Gemini 3 Flash - debugging, stealth strategy, oversight

License

MIT