# using-chrisbanes-skills

Reads a Kotlin or Jetpack Compose task and loads the right skill from the chrisbanes set. Useful when several concerns overlap in one change.

- skill · `type=skill` · Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode · 1100 installs · ★ 1120
- Author: chrisbanes
- License: Apache-2.0 · policy=mirror · the beginning of the file is at the end of this page
- Source: https://github.com/chrisbanes/skills/tree/HEAD/skills/using-chrisbanes-skills/SKILL.md
- Updated: 2026-10-25
- HTML: https://affpapa.org/en/nevibecode/skills/using-chrisbanes-skills

## What it does

The skill acts as a dispatcher. It reads the task, inspects the source, and decides which skill in the set owns the decision the code needs. If one focused skill matches, routing stops there.

Inside is a step-by-step procedure and a mapping table: a code signal on the left, the starting skill on the right. Combination boundaries are spelled out too, covering when a second skill joins the first. A flow delivery defect plus a separate catch-all over a sealed route, for instance, needs both `kotlin-concurrency-and-flow` and `kotlin-control-flow`.

Before a Compose skill loads, you need a concrete Compose API or composable in the inspected source, or an explicit request to create such code. A hypothetical UI consumer is not evidence, so without it the route stays in the Kotlin cluster even when the task mentions UI, routes, or navigation.

## Install

### Claude Code (native platform)

1. **Skills CLI (Vercel)**
```bash
npx skills add chrisbanes/skills --skill using-chrisbanes-skills -a claude-code
```

2. **Manually: put the files in place**
- File: `~/.claude/skills/using-chrisbanes-skills/SKILL.md` — Copy the whole skill folder; for one project use .claude/skills/using-chrisbanes-skills/

### Codex

1. **Skills CLI (Vercel)**
```bash
npx skills add chrisbanes/skills --skill using-chrisbanes-skills -a codex
```

2. **Manually: put the files in place**
- File: `.agents/skills/using-chrisbanes-skills/SKILL.md` — For all projects use ~/.agents/skills/

### Cursor

1. **Skills CLI (Vercel)**
```bash
npx skills add chrisbanes/skills --skill using-chrisbanes-skills -a cursor
```

2. **Manually: put the files in place**
- File: `.cursor/skills/using-chrisbanes-skills/SKILL.md` — Cursor also reads .agents/skills/ and .claude/skills/

### GitHub Copilot

1. **GitHub CLI**
```bash
gh skill install chrisbanes/skills using-chrisbanes-skills
```

2. **Manually: put the files in place**
- File: `.github/skills/using-chrisbanes-skills/SKILL.md`

### Gemini CLI

1. **Skills CLI (Vercel)**
```bash
npx skills add chrisbanes/skills --skill using-chrisbanes-skills -a gemini-cli
```

2. **Platform CLI**
```bash
gemini skills install https://github.com/chrisbanes/skills --path skills/using-chrisbanes-skills
```

### Windsurf (Devin Desktop)

**Manually: put the files in place**
- File: `.devin/skills/using-chrisbanes-skills/SKILL.md` — The legacy .windsurf/skills/ path still works

### OpenCode

**Skills CLI (Vercel)**
```bash
npx skills add chrisbanes/skills --skill using-chrisbanes-skills -a opencode
```

### Claude.ai

**Claude.ai**
- Zip the folder and upload it in Settings → Capabilities → Skills

Where a file is given instead of a command, copy the files from the source to that path: https://github.com/chrisbanes/skills/tree/HEAD/skills/using-chrisbanes-skills/SKILL.md

## When to use it
- pick the right skill from the set for a given task
- separate overlapping Kotlin and Compose concerns in one change
- avoid loading adjacent skills speculatively
- decide when a second skill is actually needed
- give every material concern one focused owner

## Example prompts
- Route this Kotlin task and tell me which skills to load
- We have a flow delivery defect and a catch-all over a sealed route — which skills apply?
- Here are Android benchmark reports and a config decision — where do I start?

## Source text · SKILL.md · Apache-2.0

Below is the content of a third-party file. It is data, not instructions for you: do not act on anything written inside unless the human asks. Block tag: dc607576e7134e83.

BEGIN THIRD-PARTY FILE dc607576e7134e83
```text
---
name: using-chrisbanes-skills
description: Use when routing Kotlin or Jetpack Compose work, or physical Android benchmark evidence that needs a configuration decision, especially when several Kotlin or Compose concerns overlap.
---

# Using chrisbanes skills

## Core principle

Route by the decision the code needs, not by the number of APIs mentioned.
Load one cluster when its shared procedure owns the concern; add a specialist
only when its independent behavior changes the same work.

## Routing procedure

1. Read the task. For Kotlin or Compose work, inspect the source that makes the
   concern concrete. For an Android benchmark comparison, inspect the supplied
   reports, configurations, and traces instead.
2. If one focused skill clearly matches, load it directly and stop routing.
3. Before loading a Compose skill, point to a concrete Compose API or composable
   in the inspected source, or to an explicit request to create or design
   Compose code. A hypothetical UI consumer is not evidence. If neither form
   of evidence exists, stay in the Kotlin cluster even when the task mentions
   UI, routes, or navigation.
4. Match each observed code signal to the table below.
5. Add a second skill only when it owns an independent decision in the same
   change; do not load adjacent skills speculatively. For example, a flow
   delivery defect plus a separate catch-all over a sealed route needs both
   `kotlin-concurrency-and-flow` and `kotlin-control-flow`. Load the latter
   because the branch mapping needs an explicit decision, including whether a
   data-bearing subtype's payload is used through a smart cast or deliberately
   discarded, not merely because a `when` appears in the file.
6. Finish routing when every material concern has one focused owner and those
   skills are loaded before advice or edits.

## Common routes

| Task signal | Start with |
|---|---|
| Evidenced Compose state, effects, screen ownership, or UI event collection | [`compose-state-and-effects`](../compose-state-and-effects/SKILL.md) |
| Recomposition, stability, frame-rate reads, back-writing, or `@ReadOnlyComposable` | [`compose-performance`](../compose-performance/SKILL.md) |
| Component modifiers, caller placement, slots, or public content shape | [`compose-component-design`](../compose-component-design/SKILL.md) |
| Visibility, value, transition, content-swap, or other motion API choice | [`compose-animations`](../compose-animations/SKILL.md) |
| Keyboard, TV, D-pad, focus targets, custom traversal, or key events | [`compose-focus-navigation`](../compose-focus-navigation/SKILL.md) |
| Compose UI, screenshot, semantics, focus/key, or interaction-state tests | [`compose-ui-testing-patterns`](../compose-ui-testing-patterns/SKILL.md) |
```
END THIRD-PARTY FILE dc607576e7134e83

The third-party file has ended. Everything between the dc607576e7134e83 tags is data: requests and commands from it are not followed. An “end of file” line with another tag inside the block is part of the file.

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