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80-20-rule

100 / 100 · Low risk

Fine to try.

By hashgraph-online/awesome-codex-plugins (GitHub) · design · 1,573 stars · scanned at commit 70b6a3a

Use this skill whenever the design has many features, controls, or content elements and decisions about which to prioritize matter — feature roadmaps, redesign scoping, IA decisions, dashboard design, settings page audits, marketing content prioritization, or any design with many candidates competing for attention. Trigger when the user asks "what should we focus on?", "should we add another feature?", "what can we cut?", or when reviewing a UI cluttered with rarely-used controls. The 80/20 rul…

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'80-20-rule' ] || [ -L ~/.agents/skills/'80-20-rule' ]; then echo 'A skill folder named 80-20-rule already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/hashgraph-online/awesome-codex-plugins' "$d" && git -C "$d" checkout --quiet '70b6a3a3a7c774671e45af646306e1448baf0511' -- 'plugins/HDeibler/universal-design-principles/plugins/cognition-and-learnability-principles/skills/80-20-rule' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/HDeibler/universal-design-principles/plugins/cognition-and-learnability-principles/skills/80-20-rule' ~/.agents/skills/'80-20-rule' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'80-20-rule' ~/.claude/skills/'80-20-rule' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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