DESIGN.md Spec Review
different-ai/openwork
Advisory review of a diff that flags user-facing UI changes breaking numbered rules in the repository's DESIGN.md, reporting at medium or low severity only.
Design, audit, and evolve physical source and package structures that expose real architectural boundaries while keeping related behavior together.
Install Structure Codebase
$ npx skills add citypaul/.dotfiles --skill structure-codebase -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install citypaul/.dotfiles structure-codebase --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/citypaul/.dotfiles.git skills-src && mkdir -p .claude/skills && cp -r skills-src/claude/.claude/skills/structure-codebase .claude/skills/structure-codebase && 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 "structure-codebase" agent skill from https://github.com/citypaul/.dotfiles/tree/main/claude/.claude/skills/structure-codebase into .claude/skills/structure-codebase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "structure-codebase", 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/citypaul/.dotfiles/tree/main/claude/.claude/skills/structure-codebaseType 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 citypaul/.dotfiles --skill structure-codebase -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install citypaul/.dotfiles structure-codebase --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/citypaul/.dotfiles.git skills-src && mkdir -p .agents/skills && cp -r skills-src/claude/.claude/skills/structure-codebase .agents/skills/structure-codebase && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "structure-codebase" agent skill from https://github.com/citypaul/.dotfiles/tree/main/claude/.claude/skills/structure-codebase into .agents/skills/structure-codebase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "structure-codebase", 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 citypaul/.dotfiles --skill structure-codebase -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install citypaul/.dotfiles structure-codebase --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/citypaul/.dotfiles.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/claude/.claude/skills/structure-codebase .cursor/skills/structure-codebase && 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 "structure-codebase" agent skill from https://github.com/citypaul/.dotfiles/tree/main/claude/.claude/skills/structure-codebase into .cursor/skills/structure-codebase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "structure-codebase", 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/citypaul/.dotfiles.git --path claude/.claude/skills/structure-codebase--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 citypaul/.dotfiles --skill structure-codebase -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install citypaul/.dotfiles structure-codebase --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/citypaul/.dotfiles.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/claude/.claude/skills/structure-codebase .gemini/skills/structure-codebase && 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 "structure-codebase" agent skill from https://github.com/citypaul/.dotfiles/tree/main/claude/.claude/skills/structure-codebase into .gemini/skills/structure-codebase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "structure-codebase", 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 citypaul/.dotfiles structure-codebaseInstalls 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 citypaul/.dotfiles --skill structure-codebase -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/citypaul/.dotfiles.git skills-src && mkdir -p .github/skills && cp -r skills-src/claude/.claude/skills/structure-codebase .github/skills/structure-codebase && 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 "structure-codebase" agent skill from https://github.com/citypaul/.dotfiles/tree/main/claude/.claude/skills/structure-codebase into .github/skills/structure-codebase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "structure-codebase", 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 citypaul/.dotfiles --skill structure-codebase -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install citypaul/.dotfiles structure-codebase --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/citypaul/.dotfiles.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/claude/.claude/skills/structure-codebase .opencode/skills/structure-codebase && 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 "structure-codebase" agent skill from https://github.com/citypaul/.dotfiles/tree/main/claude/.claude/skills/structure-codebase into .opencode/skills/structure-codebase/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "structure-codebase", 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
structure-codebase- GitHub stars
- 739
- Token cost
- ~4.4k tokens
- SKILL.md length
- 2,106 words
- Files
- 7 (incl. references)
- Skills in repo
- 44
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Design, audit, and evolve physical source and package structures that expose real architectural boundaries while keeping related behavior together.
- Works in 5 steps: Preserve the Requested Scope → Inspect Before Naming → Select the Smallest Honest Shape → …
- Reviewing repository trees
- SKILL.md covers Core Model, Keep the Axes Distinct, Workflow and Visible Hexagonal Backends, plus 7 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Structure Codebase is an agent skill from citypaul/.dotfiles. Design, audit, and evolve physical source and package structures that expose real architectural boundaries while keeping related behavior together. Use when creating or reviewing repository trees, deciding where files or packages belong, reducing flat folders, organizing by feature, route, screen, use case, bounded context, workflow or endpoint, structuring frontend state/data/UI ownership and design systems, making hexagonal inside/outside boundaries visible, locating ports, adapters and composition roots…
Its SKILL.md is about 4.4k tokens, which your agent loads only when the skill is triggered. The skill folder holds 8 other files, including reference files (for example `agents/openai.yaml`, `references/backend-patterns.md` and `references/enforcement-and-migration.md`).
It sits in Frontend & Design, covering Domain-driven design, Design systems and Design review and critique.
When your agent uses it
- Reviewing repository trees
- Deciding where files
- Packages belong
- Reducing flat folders
Example prompts
- “/structure-codebase”
Workflow steps
5 steps, taken from the step headings in SKILL.md.
- Preserve the Requested Scope
- Inspect Before Naming
- Select the Smallest Honest Shape
- Test Whether a Hexagon Is Earned
- Produce the Structure and Its Rules Together
What it can do on your machine
Read from SKILL.md and the folder at commit cd4028d. 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
Structure Codebase loads about 4.4k tokens when it runs, and up to ~15k if it reads all its reference files. Until then it costs about 222 tokens; SKILL.md has 2,106 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
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 2,106 words (~4,410 tokens).
“Design the source tree as a truthful map of meaning, ownership, runtime boundaries, and change cohesion. Do not start from a universal template. Select the lightest structure that makes this project's real seams easy to see and mechanically difficult to…”
- name
- structure-codebase
Files
SKILL.md and 6 other files (references) in claude/.claude/skills/structure-codebase of citypaul/.dotfiles.
- SKILL.md
- agents/openai.yaml
- references/backend-patterns.md
- references/enforcement-and-migration.md
- references/frontend-patterns.md
- references/research-notes.md
- references/visible-hexagon.md
Open the folder on GitHubat commit cd4028d
Compare with similar skills
Structure Codebase 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 |
|---|---|---|---|---|---|---|
| Structure Codebase this skillcitypaul/.dotfiles | 739 | — | ~4.4k | Automated safety check: Pass | Custom licence | |
| DESIGN.md Spec Reviewdifferent-ai/openwork | 24k | — | ~1.4k | Automated safety check: Pass | Custom licence | |
| Impeccablemims-harvard/OptimusKG | 146 | 3 repos | ~5.5k | Automated safety check: Pass | Apache-2.0 | |
| Frontend Designudecode/plate | 17k | — | ~3.6k | Automated safety check: Pass | Custom licence | |
| Visualizedisplay-dev/visualize | 131 | — | ~7.4k | Automated safety check: Pass | MIT | |
| Web Design EngineerConardLi/garden-skills | 13k | — | ~8.8k | Automated safety check: Pass | MIT |
Similar skills
Impeccable
mims-harvard/OptimusKG
Create distinctive, production-grade frontend interfaces with high design quality.
Frontend Design
udecode/plate
Build web interfaces with genuine design quality, not AI slop.
Visualize
display-dev/visualize
Generate beautiful, on-brand HTML artifacts — reports, diagrams, diff reviews, slide decks, plans, recaps, dashboards.
Web Design Engineer
ConardLi/garden-skills
Builds polished browser-rendered HTML, CSS, JavaScript and React pages, dashboards, prototypes and slide decks, aiming for a stunning rather than merely functional result.
Design Craft
kipperacademy/skillpper
Opinionated product-design skill for building, reviewing, polishing, and iterating on landing pages, apps, dashboards, AI products, design systems, and brand touchpoints.
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Related
Categories
Questions about Structure Codebase
What does Structure Codebase do?
Design, audit, and evolve physical source and package structures that expose real architectural boundaries while keeping related behavior together. dotfiles. Design, audit, and evolve physical source and package structures that expose real architectural boundaries while keeping related behavior together.
When should I use Structure Codebase?
Structure Codebase fits situations like: reviewing repository trees; deciding where files; packages belong; reducing flat folders.
How do I install Structure Codebase in Claude Code?
Run `npx skills add citypaul/.dotfiles --skill structure-codebase -a claude-code`. Or copy the skill folder (claude/.claude/skills/structure-codebase in citypaul/.dotfiles) into .claude/skills/structure-codebase in your project. Claude Code loads it when a task matches its description.
How do I install Structure Codebase in Codex?
Run `npx skills add citypaul/.dotfiles --skill structure-codebase -a codex`. Or copy the skill folder (claude/.claude/skills/structure-codebase in citypaul/.dotfiles) into .agents/skills/structure-codebase in your project. Codex loads it when a task matches its description.
Can I use Structure Codebase 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 citypaul/.dotfiles --skill structure-codebase -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/structure-codebase, .gemini/skills/structure-codebase, .github/skills/structure-codebase and .opencode/skills/structure-codebase in your project.
What does Structure Codebase need to run?
SKILL.md names no scripts, command-line tools or credentials: Structure Codebase is instructions for the agent only.
Does Structure Codebase 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 Structure Codebase 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 Structure Codebase use?
Structure Codebase has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Structure Codebase use?
About 4.4k tokens (SKILL.md is roughly 18k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 11k tokens, read only when the agent opens those files.
What are the alternatives to Structure Codebase?
Skills that share tags, products or a category with Structure Codebase: DESIGN.md Spec Review (different-ai/openwork, 24k stars), Impeccable (mims-harvard/OptimusKG, 146 stars), Frontend Design (udecode/plate, 17k stars) and Visualize (display-dev/visualize, 131 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Structure Codebase?
citypaul (a GitHub user) maintains it in citypaul/.dotfiles, which has 739 GitHub stars. The repository holds 44 skills in this directory. The repository was last updated on October 2, 2026.
Source: citypaul/.dotfiles on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.