Individual skill
cmux-custom-sidebar
Build a custom cmux sidebar from a plain-language request. Use when the user asks for a custom sidebar, a sidebar that shows their workspaces/tabs/PRs/clock, a vibe-coded sidebar, or anything involving files in ~/.config/cmux/sidebars/. Covers authoring the interpreted SwiftUI-style file, enabling the beta flag, selecting it, and iterating with hot reload.
ai_docs/cmux-skills/cmux-custom-sidebar/SKILL.md
Source commit 6eaacabbee4c71120f7cd161c9539530f84068a8
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- Last checked
- Nov 5, 2026
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- Repository stars (not skill ratings)
- 116
- Repository last updated
- Jun 29, 2026
- License
- MIT
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- engineering Derived category
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# cmux Custom Sidebar
cmux renders custom sidebars from a small SwiftUI-style file at runtime: no Xcode, no build step, no signing. The file hot-reloads on save, binds to live cmux state (workspaces, tabs, git, PRs, clock), and can run real cmux commands on tap.
The person asking is usually describing a result ("a sidebar that shows my workspaces and lets me jump between them"), not an implementation. Turn that into a clean, native-looking sidebar and make the engineering decisions for them. Do not ask them about SwiftUI, files, or syntax.
## Full reference
This skill is the workflow summary. The complete authoring contract (every supported view, modifier, language feature, and data field) is one command away; read it before writing a non-trivial sidebar:
```bash
cmux docs sidebars
curl -fsSL https://raw.githubusercontent.com/manaflow-ai/cmux/main/docs/custom-sidebars.md
```