Android Gradle Build Logic
rcosteira79/android-skills
Sets up Android Gradle convention plugins in a build-logic composite build, including the version catalog wiring and shared configuration that are easy to get wrong.
Maintains Kotlin codebase health, idiomatic style, and modern API usage.
Install Code Steward
$ npx skills add nekomangaorg/Neko --skill code-steward -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install nekomangaorg/Neko code-steward --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/nekomangaorg/Neko.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/steward .claude/skills/code-steward && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "code-steward" agent skill from https://github.com/nekomangaorg/Neko/tree/main/.agents/skills/steward into .claude/skills/code-steward/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-steward", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/nekomangaorg/Neko/tree/main/.agents/skills/stewardType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add nekomangaorg/Neko --skill code-steward -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install nekomangaorg/Neko code-steward --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/nekomangaorg/Neko.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/steward .agents/skills/code-steward && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "code-steward" agent skill from https://github.com/nekomangaorg/Neko/tree/main/.agents/skills/steward into .agents/skills/code-steward/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-steward", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add nekomangaorg/Neko --skill code-steward -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install nekomangaorg/Neko code-steward --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/nekomangaorg/Neko.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/steward .cursor/skills/code-steward && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "code-steward" agent skill from https://github.com/nekomangaorg/Neko/tree/main/.agents/skills/steward into .cursor/skills/code-steward/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-steward", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/nekomangaorg/Neko.git --path .agents/skills/steward--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add nekomangaorg/Neko --skill code-steward -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install nekomangaorg/Neko code-steward --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/nekomangaorg/Neko.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/steward .gemini/skills/code-steward && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "code-steward" agent skill from https://github.com/nekomangaorg/Neko/tree/main/.agents/skills/steward into .gemini/skills/code-steward/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-steward", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install nekomangaorg/Neko code-stewardInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add nekomangaorg/Neko --skill code-steward -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/nekomangaorg/Neko.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/steward .github/skills/code-steward && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "code-steward" agent skill from https://github.com/nekomangaorg/Neko/tree/main/.agents/skills/steward into .github/skills/code-steward/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-steward", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add nekomangaorg/Neko --skill code-steward -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install nekomangaorg/Neko code-steward --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/nekomangaorg/Neko.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/steward .opencode/skills/code-steward && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "code-steward" agent skill from https://github.com/nekomangaorg/Neko/tree/main/.agents/skills/steward into .opencode/skills/code-steward/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-steward", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
code-steward- GitHub stars
- 2.8k
- Token cost
- ~977 tokens
- SKILL.md length
- 504 words
- Files
- 2
- Skills in repo
- 15
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Maintains Kotlin codebase health, idiomatic style, and modern API usage.
- Works in 5 steps: SCAN: Look for overgrown weeds → SELECT & PROPOSE: Pick the BEST… → REFINE (Upon Approval): Implement the… → …
- Fix code smells
- SKILL.md covers ✅ Always do:, ⚠️ Ask first: and 🚫 Never do:
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Code Steward is an agent skill from nekomangaorg/Neko. Maintains Kotlin codebase health, idiomatic style, and modern API usage. Use this skill to fix code smells, update deprecated APIs, resolve outdated TODOs, apply Kotlin scope functions, flatten deeply nested logic, and resolve lint or detekt warnings.
Its SKILL.md is about 980 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `journal.md`).
It sits in Mobile, covering Android development, Refactoring and Linting and formatting. It works with Kotlin. The repository describes itself as: Unofficial MangaDex Reader for Android 8+. The licence is Apache-2.0.
When your agent uses it
- Fix code smells
- Update deprecated APIs
- Resolve outdated TODOs
- Apply Kotlin scope functions
Example prompts
- “Use the code-steward skill to maintain Kotlin codebase health, idiomatic style, and modern API usage”
- “/code-steward”
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- SCAN: Look for overgrown weeds
- SELECT & PROPOSE: Pick the BEST opportunity that flattens code structure, removes a warning, or modernizes an API call cleanly. Explain…
- REFINE (Upon Approval): Implement the fix. Apply the appropriate Kotlin scope function. Swap legacy types (e.g., java.util.Date to…
- VERIFY: Run ./gradlew ktfmtFormat to format your changes. Compile the project to ensure no syntax errors and verify lint passes.
- PRESENT: Create a PR using Conventional Commits with the ref: prefix (for structural code health/deprecations) or style: prefix (for…
What it can do on your machine
Read from SKILL.md and the folder at commit 6bf5c7d. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Code Steward loads about 977 tokens when it runs. Until then it costs about 66 tokens; SKILL.md has 504 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from nekomangaorg/Neko at commit 6bf5c7d, republished under its Apache-2.0 licence (© nekomangaorg). 504 words, ~977 tokens.
Download SKILL.mdSave it as
.claude/skills/code-steward/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- code-steward
- description
- Maintains Kotlin codebase health, idiomatic style, and modern API usage. Use this skill to fix code smells, update deprecated APIs, resolve outdated TODOs, apply Kotlin scope functions, flatten deeply nested logic, and resolve lint or detekt warnings.
Goal
You are "The Steward" 🪴 - a code health agent who keeps the Kotlin codebase pristine, idiomatic, and modern. Your mission is to fix ONE code smell, update ONE deprecated API, or resolve ONE outdated TODO comment.
Philosophy:
- Code should read like spoken language.
- Warnings are technical debt with interest.
- The standard library already solved this.
- A TODO without a date is a lie.
Journaling Rules (Read .agents/skills/steward/journal.md before starting and write learnings to it):
Your journal is NOT a log - only add entries for CRITICAL idiomatic learnings. Format as ## YYYY-MM-DD - [Title] \n **Learning:** [Insight] \n **Action:** [How to apply next time]. Ensure the date is the exact date of the run (not a past/future date). ONLY log things like: a specific wrapper method this team uses to handle API version compatibility, a pattern of empty TODOs in this team's code, or custom Detekt rules specific to this repository. DO NOT journal routine work like "Used apply for object setup".
Constraints
✅ Always do:
- Explain the code smell, deprecation, or outdated TODO identified and the proposed plan of action, then wait for user approval before modifying code.
- Run
./gradlew ktfmtFormatto ensure consistent code styling. - Run
./gradlew detektor./gradlew lintDebug. - Replace verbose null checks with
?.letor?: run. - Read the
@Deprecatedannotation documentation for the suggested replacement. - Delete TODO comments if the requested work is already completed.
⚠️ Ask first:
- Updating usages in public APIs (breaking changes for other modules).
🚫 Never do:
- Modify business logic while refactoring.
- Suppress deprecation warnings (
@Suppress("DEPRECATION")). - Nest scope functions more than 2 levels deep (destroys readability).
- Never use the prefix
refactor:in PR titles or commits. Useref:orstyle:instead.
Show full SKILL.md (230 more words)Show less
Instructions
- SCAN: Look for overgrown weeds:
- Idioms: Variable assignments followed by multiple lines modifying that variable (should use
apply). - Lint: Deeply nested if/when statements or active Detekt warnings.
- Deprecations: Crossed-out methods in Android or Kotlin APIs.
- Debt: Old TODO, FIXME, or HACK comments.
- SELECT & PROPOSE: Pick the BEST opportunity that flattens code structure, removes a warning, or modernizes an API call cleanly. Explain what was identified (location, issue, context) and outline the planned changes. Wait for user approval before proceeding with file edits.
- REFINE (Upon Approval): Implement the fix. Apply the appropriate Kotlin scope function. Swap legacy types (e.g.,
java.util.Datetojava.time.Instant). Perform the small refactor requested by a TODO, or delete it if obsolete. - VERIFY: Run
./gradlew ktfmtFormatto format your changes. Compile the project to ensure no syntax errors and verify lint passes. - PRESENT: Create a PR using Conventional Commits with the
ref:prefix (for structural code health/deprecations) orstyle:prefix (for formatting/linting fixes). Example:ref: update deprecated Date usage to Instant in DateUtils. Include What, Why, and how it improves readability in the description.
Examples
- Replacing a multi-line object initialization with
.apply { }. - Updating
java.util.Datetojava.time.Instantacross a data class. - Replacing a verbose
if (obj != null)block withobj?.let { }. - Deleting an obsolete
// TODO: implement cachingcomment when caching is already implemented. - Flattening a deeply nested
if/elseblock into a cleanerwhenstatement.
© nekomangaorg, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 1 other file in .agents/skills/steward of nekomangaorg/Neko.
- SKILL.md
- journal.md
Open the folder on GitHubat commit 6bf5c7d
Compare with similar skills
Code Steward next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Code Steward this skillnekomangaorg/Neko | 2.8k | — | ~977 | Automated safety check: Pass | Apache-2.0 | |
| Android Gradle Build Logicrcosteira79/android-skills | 153 | — | ~959 | Automated safety check: Pass | MIT | |
| Understanding Hot Reload LimitsrosuH/EasyWatermark | 1.9k | 1 repos | ~2.6k | Automated safety check: Pass | Apache-2.0 | |
| CodefmtAmplicode/spring-skills | 126 | — | ~595 | Automated safety check: Pass | None | |
| Hexagonal Architectureyamcodes/arkenv | 145 | 4 repos | ~2.9k | Automated safety check: Pass | MIT | |
| Zhihu Pp AI Slop Cleanerzly2006/zhihu-plus-plus | 4.2k | — | ~3.7k | Automated safety check: Pass | AGPL-3.0 |
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Related
Works with
Categories
Questions about Code Steward
What does Code Steward do?
Maintains Kotlin codebase health, idiomatic style, and modern API usage. Code Steward is an agent skill from nekomangaorg/Neko. Maintains Kotlin codebase health, idiomatic style, and modern API usage.
When should I use Code Steward?
Code Steward fits situations like: fix code smells; update deprecated APIs; resolve outdated TODOs; apply Kotlin scope functions.
How do I install Code Steward in Claude Code?
Run `npx skills add nekomangaorg/Neko --skill code-steward -a claude-code`. Or copy the skill folder (.agents/skills/steward in nekomangaorg/Neko) into .claude/skills/code-steward in your project. Claude Code loads it when a task matches its description.
How do I install Code Steward in Codex?
Run `npx skills add nekomangaorg/Neko --skill code-steward -a codex`. Or copy the skill folder (.agents/skills/steward in nekomangaorg/Neko) into .agents/skills/code-steward in your project. Codex loads it when a task matches its description.
Can I use Code Steward in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add nekomangaorg/Neko --skill code-steward -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/code-steward, .gemini/skills/code-steward, .github/skills/code-steward and .opencode/skills/code-steward in your project.
What does Code Steward need to run?
SKILL.md names no scripts, command-line tools or credentials: Code Steward is instructions for the agent only.
Does Code Steward access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Code Steward safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Code Steward use?
Code Steward is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Code Steward use?
About 977 tokens (SKILL.md is roughly 3.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Code Steward?
Skills that share tags, products or a category with Code Steward: Android Gradle Build Logic (rcosteira79/android-skills, 153 stars), Understanding Hot Reload Limits (rosuH/EasyWatermark, 1.9k stars), Codefmt (Amplicode/spring-skills, 126 stars) and Hexagonal Architecture (yamcodes/arkenv, 145 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Code Steward?
nekomangaorg (a GitHub organization) maintains it in nekomangaorg/Neko, which has 2,812 GitHub stars. The repository holds 15 skills in this directory. The repository was last updated on October 8, 2026.
Source: nekomangaorg/Neko on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.