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duo-performance

95 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By Kimeur/duology (GitHub) · coding · 44 stars · scanned at commit cffd95d

Keeps an iPhone Duo app smooth when the phone folds and unfolds. One fold changes the app's layout size in several steps (a full-width view went 382 → 466 → 951 → 867 pt on open), and every body that reads the size runs at each step; at 120 Hz a frame lasts 8.3 ms. Measures what each fold costs the main thread on the iPhone Duo simulator with duo-fold-cost (Instruments' Hangs and os_signpost instruments while duo-pose folds the phone, with a saved run to compare against), finds the cause, and f…

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'duo-performance' ] || [ -L ~/.agents/skills/'duo-performance' ]; then echo 'A skill folder named duo-performance already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/Kimeur/duology' "$d" && git -C "$d" checkout --quiet 'cffd95d90ac0c7a61578c9bfaada80f0b33e0190' -- 'plugins/duology-ship/skills/duo-performance' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/duology-ship/skills/duo-performance' ~/.agents/skills/'duo-performance' && 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/'duo-performance' ~/.claude/skills/'duo-performance' (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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