Model routing
Choose a model yourself or let a classifier select one for each request. Set your preferences and a fallback model.
Read the guideThe local desktop harness
The desktop harness for your accounts, tools, and files. Route requests between models, balance work across accounts, and create agents and artifacts.
Free desktop · Source under FSL.
GitHub13+ · Apple silicon and Intel
Download for Apple siliconmacOS install guidex64 · Per-user install
Download .msiWindows install guidex86_64 · Ubuntu, Debian, and Omarchy
Download .debLinux install guideLinux AppImage needs FUSE 2. On Ubuntu, install the .deb package first.
One place to work
Keep the conversation beside your files, terminal, and browser. Save a useful workflow as an agent, skill, or plugin.
Make the workspace yoursChoose a model yourself or let a classifier select one for each request. Set your preferences and a fallback model.
Read the guideDistribute requests across connected accounts, with allowance tracking and automatic failover when an account cannot serve a request.
Read the guideTurn repeatable work into an agent with a clear goal and output. Keep its instructions and conversation together.
Read the guideCreate reports, dashboards, and interactive tools that you can save and revise in a dedicated chat.
Read the guideConnect MCP servers directly to their providers. Choose skills and plugins with slash commands.
Read the guideInspect files, run terminal commands, and browse beside the chat. Keep your project and its conversations together.
Read the guideRouting with System One
Connect Jev, TypeSafe’s System One model, or another supported classifier. Define your routing preferences and fallback model. Keep manual selection available.
Routing is optional. Your configured classifier receives the request text to make its choice. Account load balancing also works without a classifier.
Explore model routingDesktop first
Phase one is the open source desktop harness. Phase two adds paid cloud services for shared work, scheduled execution, and hosted routing.
Your provider sets model usage and costs. The local desktop does not require a cloud subscription.
See the planRead the desktop guide and check release availability.