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Agent skill

Governance

by plugin87 in plugin87/ux-ui-agent-skills

Govern how the design system evolves — SemVer for tokens/components, the contribution workflow, deprecation policy, and change communication.

MITAuto-check passedFrontend & Design

Install Governance

skills CLI
$ npx skills add plugin87/ux-ui-agent-skills --skill governance -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install plugin87/ux-ui-agent-skills governance --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/plugin87/ux-ui-agent-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/governance .claude/skills/governance && rm -rf skills-src

Use ~/.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/

Facts

Skill name
governance
GitHub stars
1.5k
Token cost
~613 tokens
SKILL.md length
235 words
Files
1
Skills in repo
23
Repo updated
First seen
Licence
MIT

At a glance

Govern how the design system evolves — SemVer for tokens/components, the contribution workflow, deprecation policy, and change communication.

  • Works in 5 steps: Read… → Classify the change: major (breaking —… → For a new component/token: confirm it… → …
  • The user wants to add/promote/deprecate a component
  • SKILL.md covers Steps and Verification (definition of…
  • Calls npx and python3

What it does

Governance is an agent skill from plugin87/ux-ui-agent-skills. Govern how the design system evolves — SemVer for tokens/components, the contribution workflow, deprecation policy, and change communication. Use when the user wants to add/promote/deprecate a component or token, decide a version bump, set up a contribution process, or keep the system from fragmenting.

Its SKILL.md is about 610 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Frontend & Design, covering Design systems. The repository describes itself as: Turn Claude into a senior design architect: DTCG tokens, 52 components, WCAG 2.2 AA-AAA, 138 design systems, any-framework code, and 50 objective gates that fail the build… The licence is MIT.

When your agent uses it

  • The user wants to add/promote/deprecate a component
  • Decide a version bump
  • Set up a contribution process
  • Keep the system from fragmenting

Example prompts

  • “/governance”

Requirements

  • Python 3
  • Node.js

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Read ${CLAUDE_SKILL_DIR}/../../../workflows/governance.md (SemVer table, contribution workflow, deprecation policy, change comms).
  2. Classify the change: major (breaking — renamed/removed token or prop, changed anatomy/default), minor (additive — new…
  3. For a new component/token: confirm it serves a real, repeated need (≥ 2 places) before promoting product → candidate → core. Design it to…
  4. For a deprecation: mark with reason + replacement + removal version; keep working ≥ 1 minor cycle; provide a migration map…
  5. Wire any new file into CLAUDE.md (File Reference Map + relevant table/router) and add a changelog entry.

What it can do on your machine

Read from SKILL.md and the folder at commit 8e73a21. 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

    Shell commands in SKILL.md call:

    • npx
    • python3

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

    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

Governance loads about 613 tokens when it runs. Until then it costs about 79 tokens; SKILL.md has 235 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~79
When it runs · the whole SKILL.md, loaded when a task matches
~613

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 plugin87/ux-ui-agent-skills at commit 8e73a21, republished under its MIT licence (© plugin87). 235 words, ~613 tokens.

Download SKILL.mdSave it as .claude/skills/governance/SKILL.md (or your agent's skills folder).
name
governance
description
Govern how the design system evolves — SemVer for tokens/components, the contribution workflow, deprecation policy, and change communication. Use when the user wants to add/promote/deprecate a component or token, decide a version bump, set up a contribution process, or keep the system from fragmenting.
disable-model-invocation
true

Skill: Governance

Step 0 — is the kit here? This skill reads files from the kit. Check once: ls ${CLAUDE_SKILL_DIR}/../../../tokens >/dev/null 2>&1 && echo KIT_OK || echo KIT_MISSING On KIT_MISSING only the skill folders were installed, which is what npx skills add does. Say so plainly, point the user at npx ux-ui-agent-skills init or the plugin install, and stop. Do not guess the contents of a file you could not open.

Keep the system consistent as it grows. Apply versioning, contribution, and deprecation rules.

Steps

  1. Read ${CLAUDE_SKILL_DIR}/../../../workflows/governance.md (SemVer table, contribution workflow, deprecation policy, change comms).
  2. Classify the change: major (breaking — renamed/removed token or prop, changed anatomy/default), minor (additive — new token/component/variant/optional prop), patch (fix — contrast/bug/doc/value tweak in tolerance).
  3. For a new component/token: confirm it serves a real, repeated need (≥ 2 places) before promoting product → candidate → core. Design it to the full quality bar (.claude/rules/components.md → Component Quality Bar).
  4. For a deprecation: mark with reason + replacement + removal version; keep working ≥ 1 minor cycle; provide a migration map (${CLAUDE_SKILL_DIR}/../../../design-systems/crosswalk.md style); remove only in a major.
  5. Wire any new file into CLAUDE.md (File Reference Map + relevant table/router) and add a changelog entry.

Verification (definition of done)

  • Change has a SemVer level and a changelog entry.
  • Removals have a deprecation window, a replacement, and a migration table.
  • New spec meets the 8-state + a11y + token-mapping bar and is reachable via the router.
  • python3 ${CLAUDE_SKILL_DIR}/../../../scripts/validate_tokens.py passes; contrast re-checked if colors changed.

© plugin87, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .claude/skills/governance of plugin87/ux-ui-agent-skills.

Open the folder on GitHubat commit 8e73a21

Compare with similar skills

Governance 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.

Governance compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Governance this skillplugin87/ux-ui-agent-skills1.5k—~613Automated safety check: PassMIT
Impeccablebestofjs/bestofjs3.1k27 repos~2.6kAutomated safety check: PassMIT
Figma Design System Builderwarpdotdev/warp65k2 repos~4.4kAutomated safety check: PassAGPL-3.0
Figma use_figma Plugin API Ruleswarpdotdev/warp65k4 repos~4.4kAutomated safety check: PassAGPL-3.0
UI StylingOhh-889/skyroc79513 repos~2.5kAutomated safety check: PassMIT
Shadcnsupabase/evals14342 repos~4.5kAutomated safety check: PassApache-2.0

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Categories

Questions about Governance

What does Governance do?

Govern how the design system evolves — SemVer for tokens/components, the contribution workflow, deprecation policy, and change communication. Governance is an agent skill from plugin87/ux-ui-agent-skills. Govern how the design system evolves — SemVer for tokens/components, the contribution workflow, deprecation policy, and change communication.

When should I use Governance?

Governance fits situations like: the user wants to add/promote/deprecate a component; decide a version bump; set up a contribution process; keep the system from fragmenting.

How do I install Governance in Claude Code?

Run `npx skills add plugin87/ux-ui-agent-skills --skill governance -a claude-code`. Or copy the skill folder (.claude/skills/governance in plugin87/ux-ui-agent-skills) into .claude/skills/governance in your project. Claude Code loads it when a task matches its description.

How do I install Governance in Codex?

Run `npx skills add plugin87/ux-ui-agent-skills --skill governance -a codex`. Or copy the skill folder (.claude/skills/governance in plugin87/ux-ui-agent-skills) into .agents/skills/governance in your project. Codex loads it when a task matches its description.

Can I use Governance 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 plugin87/ux-ui-agent-skills --skill governance -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/governance, .gemini/skills/governance, .github/skills/governance and .opencode/skills/governance in your project.

What does Governance need to run?

Going by SKILL.md and its folder, Governance needs the command-line tools its instructions call (npx and python3). Our summary lists: Python 3; Node.js.

Does Governance access the network?

SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Governance 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 Governance use?

Governance is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Governance use?

About 613 tokens (SKILL.md is roughly 2.5k 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 Governance?

Skills that share tags, products or a category with Governance: Impeccable (bestofjs/bestofjs, 3.1k stars), Figma Design System Builder (warpdotdev/warp, 65k stars), Figma use_figma Plugin API Rules (warpdotdev/warp, 65k stars) and UI Styling (Ohh-889/skyroc, 795 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Governance?

plugin87 (a GitHub user) maintains it in plugin87/ux-ui-agent-skills, which has 1,546 GitHub stars. The repository holds 23 skills in this directory. The repository was last updated on October 8, 2026.

Source: plugin87/ux-ui-agent-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.