What it does
tweakcc is a command-line tool for customizing your Claude Code installation. You can change themes, thinking verbs, spinners and input-box styling, and make deeper edits such as custom toolsets, system prompt changes and AGENTS.md support. It works with both native and npm installs.
Use cases
- 01Change the Claude Code theme and spinner
- 02Edit parts of the system prompt
- 03Define a custom toolset for your team