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fitts-law

100 / 100 · Low risk

Fine to try.

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

Use this skill whenever the question involves how easy it is to *hit* an interactive target — buttons, links, form controls, drag handles, scrollbars, mobile tap targets, anything the user must move a pointer or finger to. Trigger when sizing buttons, designing toolbars, picking a hit-area for icon buttons, designing for touch screens, debugging "users keep mis-clicking," or arguing about button density vs. usability. Trigger when the user mentions touch targets, target size, "fat fingers," poi…

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/'fitts-law' ] || [ -L ~/.agents/skills/'fitts-law' ]; then echo 'A skill folder named fitts-law 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 "$d" checkout --quiet '70b6a3a3a7c774671e45af646306e1448baf0511' -- 'plugins/HDeibler/universal-design-principles/plugins/interaction-and-control-principles/skills/fitts-law' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/HDeibler/universal-design-principles/plugins/interaction-and-control-principles/skills/fitts-law' ~/.agents/skills/'fitts-law' && 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/'fitts-law' ~/.claude/skills/'fitts-law' (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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