Code Review
flutter/flutter
Performs a comprehensive, multi-step code review of pull requests or local code changes, using iterative refinement (generation, critique, synthesis) to ensure high-quality, actionable feedback.
Guides the creation of high-quality, effective skills for agentic workflows.
Install Authoring Skills
$ npx skills add flutter/devtools --skill authoring-skills -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install flutter/devtools authoring-skills --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/flutter/devtools.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/authoring-skills .claude/skills/authoring-skills && 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 "authoring-skills" agent skill from https://github.com/flutter/devtools/tree/master/.agents/skills/authoring-skills into .claude/skills/authoring-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "authoring-skills", 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/flutter/devtools/tree/master/.agents/skills/authoring-skillsType 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 flutter/devtools --skill authoring-skills -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install flutter/devtools authoring-skills --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/flutter/devtools.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/authoring-skills .agents/skills/authoring-skills && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "authoring-skills" agent skill from https://github.com/flutter/devtools/tree/master/.agents/skills/authoring-skills into .agents/skills/authoring-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "authoring-skills", 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 flutter/devtools --skill authoring-skills -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install flutter/devtools authoring-skills --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/flutter/devtools.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/authoring-skills .cursor/skills/authoring-skills && 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 "authoring-skills" agent skill from https://github.com/flutter/devtools/tree/master/.agents/skills/authoring-skills into .cursor/skills/authoring-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "authoring-skills", 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/flutter/devtools.git --path .agents/skills/authoring-skills--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 flutter/devtools --skill authoring-skills -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install flutter/devtools authoring-skills --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/flutter/devtools.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/authoring-skills .gemini/skills/authoring-skills && 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 "authoring-skills" agent skill from https://github.com/flutter/devtools/tree/master/.agents/skills/authoring-skills into .gemini/skills/authoring-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "authoring-skills", 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 flutter/devtools authoring-skillsInstalls 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 flutter/devtools --skill authoring-skills -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/flutter/devtools.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/authoring-skills .github/skills/authoring-skills && 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 "authoring-skills" agent skill from https://github.com/flutter/devtools/tree/master/.agents/skills/authoring-skills into .github/skills/authoring-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "authoring-skills", 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 flutter/devtools --skill authoring-skills -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install flutter/devtools authoring-skills --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/flutter/devtools.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/authoring-skills .opencode/skills/authoring-skills && 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 "authoring-skills" agent skill from https://github.com/flutter/devtools/tree/master/.agents/skills/authoring-skills into .opencode/skills/authoring-skills/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "authoring-skills", 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
authoring-skills- GitHub stars
- 1.7k
- Token cost
- ~449 tokens
- SKILL.md length
- 171 words
- Files
- 3
- Skills in repo
- 10
- Repo updated
- First seen
- Licence
- BSD-3-Clause
At a glance
Guides the creation of high-quality, effective skills for agentic workflows.
- Modifying skills in the .agents/skills/ directory
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Authoring Skills is an agent skill from flutter/devtools. Guides the creation of high-quality, effective skills for agentic workflows. Use when creating or modifying skills in the .agents/skills/ directory.
Its SKILL.md is about 450 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `CHECKLIST.md` and `EXAMPLES.md`).
It sits in Development. It works with Flutter. The repository describes itself as: Developer tools for Flutter & Dart. The licence is BSD-3-Clause.
When your agent uses it
- Modifying skills in the .agents/skills/ directory
Example prompts
- “Use the authoring-skills skill to guide the creation of high-quality, effective skills for agentic workflows”
- “/authoring-skills”
What it can do on your machine
Read from SKILL.md and the folder at commit 3a3b64a. 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
Links to these hosts (documentation or services it may open):
antigravity.googleplatform.claude.comgithub.com
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
Authoring Skills loads about 449 tokens when it runs. Until then it costs about 41 tokens; SKILL.md has 171 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 flutter/devtools at commit 3a3b64a, republished under its BSD-3-Clause licence (© flutter). 171 words, ~449 tokens.
Download SKILL.mdSave it as
.claude/skills/authoring-skills/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.- name
- authoring-skills
- description
- Guides the creation of high-quality, effective skills for agentic workflows. Use when creating or modifying skills in the .agents/skills/ directory.
Authoring Skills
When creating or modifying skills in this repository, follow these best practices:
- Antigravity Guidelines: Skill authoring best practices
- Anthropic Guidelines: Skill authoring best practices
Repository-Specific Guidelines
- Location: All skills must be placed in the
.agents/skills/directory. - Avoid Duplication: Before creating a skill, check if one already exists in the flutter/skills repository. If it does, do not create a local skill; instead, instruct the user to install it via
npx. - Naming: Use the gerund form (verb-ing-noun) or noun-phrase (e.g.,
authoring-skills,adding-release-notes). Use only lowercase letters, numbers, and hyphens. - Conciseness: Prioritize brevity in
SKILL.md. Agents are already highly capable; only provide context they don't already have. - Automation: Any utility scripts placed in the
scripts/directory MUST be written in Dart. - Validation: Skills are automatically validated using
dart_skills_lint. Ensure your skills pass the linter before submitting. See theREADME.mdin.agents/skills/for instructions on how to run the linter locally. - Progressive Disclosure: Use the patterns below to organize instructions effectively:
- CHECKLIST.md: Template for tracking skill development progress.
- EXAMPLES.md: Local examples and anti-patterns.
© flutter, BSD-3-Clause. 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 2 other files in .agents/skills/authoring-skills of flutter/devtools.
- SKILL.md
- CHECKLIST.md
- EXAMPLES.md
Open the folder on GitHubat commit 3a3b64a
Compare with similar skills
Authoring Skills 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 |
|---|---|---|---|---|---|---|
| Authoring Skills this skillflutter/devtools | 1.7k | — | ~449 | Automated safety check: Pass | BSD-3-Clause | |
| Code Reviewflutter/flutter | 179k | — | ~1.4k | Automated safety check: Pass | BSD-3-Clause | |
| Senior Architect Toolkitmaslennikov-ig/claude-code-orchestrator-kit | 260 | 8 repos | ~1.2k | Automated safety check: Notes | Custom licence | |
| Code Review Skillawesome-skills/code-review-skill | 2.1k | — | ~2.8k | Automated safety check: Notes | MIT | |
| Code Guidelinesgetsentry/sentry-dart | 873 | — | ~2.2k | Automated safety check: Pass | MIT | |
| Git Worktree Setupk8zdev/k8z | 155 | — | ~930 | Automated safety check: Pass | None |
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Related
Works with
Categories
Questions about Authoring Skills
What does Authoring Skills do?
Guides the creation of high-quality, effective skills for agentic workflows. Authoring Skills is an agent skill from flutter/devtools. Guides the creation of high-quality, effective skills for agentic workflows.
When should I use Authoring Skills?
Authoring Skills fits situations like: modifying skills in the .agents/skills/ directory.
How do I install Authoring Skills in Claude Code?
Run `npx skills add flutter/devtools --skill authoring-skills -a claude-code`. Or copy the skill folder (.agents/skills/authoring-skills in flutter/devtools) into .claude/skills/authoring-skills in your project. Claude Code loads it when a task matches its description.
How do I install Authoring Skills in Codex?
Run `npx skills add flutter/devtools --skill authoring-skills -a codex`. Or copy the skill folder (.agents/skills/authoring-skills in flutter/devtools) into .agents/skills/authoring-skills in your project. Codex loads it when a task matches its description.
Can I use Authoring Skills 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 flutter/devtools --skill authoring-skills -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/authoring-skills, .gemini/skills/authoring-skills, .github/skills/authoring-skills and .opencode/skills/authoring-skills in your project.
What does Authoring Skills need to run?
SKILL.md names no scripts, command-line tools or credentials: Authoring Skills is instructions for the agent only.
Does Authoring Skills access the network?
SKILL.md names 3 domains. As links in the text: antigravity.google, platform.claude.com and github.com. This is read from the text; nothing was executed.
Is Authoring Skills 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 Authoring Skills use?
Authoring Skills is published under the BSD-3-Clause licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Authoring Skills use?
About 449 tokens (SKILL.md is roughly 1.8k 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 Authoring Skills?
Skills that share tags, products or a category with Authoring Skills: Code Review (flutter/flutter, 179k stars), Senior Architect Toolkit (maslennikov-ig/claude-code-orchestrator-kit, 260 stars), Code Review Skill (awesome-skills/code-review-skill, 2.1k stars) and Code Guidelines (getsentry/sentry-dart, 873 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Authoring Skills?
flutter (a GitHub organization) maintains it in flutter/devtools, which has 1,732 GitHub stars. The repository holds 10 skills in this directory. The repository was last updated on October 7, 2026.
Source: flutter/devtools on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.