FastAgent is a cross-platform desktop agent that connects to FastBuilder.AI and helps automate tasks on your computer. It integrates directly with your operating system, listens for objectives, and executes them by controlling applications, browsing, and handling workflows with the help of AI models.
- Cross-platform support: Windows, macOS, Linux
- System tray integration with quick controls (start, stop, reconnect)
- Real-time socket connection with FastBuilder.AI servers
- Agentset management for deploying and running agent flows
- Task automation: executes tasks using GPT-4o, Gemini, Claude-3, LLaVA, etc.
- OCR & Vision support: AI reads your screen and interacts intelligently
- Secure authentication via unique codes and tokens
You can download binaries for your platform:
- Windows β
.exeinstaller - macOS β
.dmg(notarized and signed) - Linux β
.AppImageor.deb(depending on your distribution)
(See the Releases page for the latest version.)
- Download the
.exeinstaller. - Double-click and follow the prompts.
- After installation, FastAgent will run in the system tray.
- Download the
.dmgfile. - Drag FastAgent.app to your Applications folder.
- On first run, macOS may ask for permissions (screen recording, accessibility). Grant them for full functionality.
-
Download the
.AppImage.chmod +x FastAgent-x86_64.AppImage ./FastAgent-x86_64.AppImage
Or install via
.debif provided. -
The tray icon will appear when running.
- When launched, FastAgent generates a unique link/code.
- This link opens in your browser and connects the agent to your FastBuilder.AI account.
- Once authenticated, the agent is ready to process tasks.
-
Control FastAgent via the system tray menu:
- Enable / Disable agent
- Skip Task
- Reconnect if disconnected
-
Tasks are received from FastBuilder.AI and executed automatically.
-
Logs and actions are reported back to the server in real time.
- FastAgent communicates only with FastBuilder.AI servers (
https://app.fastbuilder.ai) . - Authentication is token-based and requires user approval.
- Clipboard and screen access are used only to complete assigned tasks.
- Website: https://fastbuilder.ai
- Email: help@fastbuilder.ai
- Community: Join us on X/Twitter