Your team, your choice
Connect model services and ACP agents, then choose models for the main conversation and collaborators.
The collaboration workspace
Open sourceCaelis.
Bring models and ACP agents together in a local workspace. Work in the terminal or run a single prompt, with reusable skills, tools and sessions.
Historical demo from v0.55.0 captures; current UI may differ.Open recording
Tools that fit your workspace
Use files, commands, MCP servers, skills and plugins. Approvals and workspace trust keep decisions visible.
Continue or automate
Resume a saved session, work alongside participants, or run a prompt with text, JSON or streaming output.
Get started
Make the first connection.
Install Caelis, open a workspace, and connect your first model or agent.
Project documentationcurl -fsSL https://caelis.dev/install.sh | shirm https://caelis.dev/install.ps1 | iexnpm install -g @caelis/caelis