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prototype-fast

100 / 100 · Low risk

Fine to try.

By gamedev-skills/awesome-gamedev-agent-skills (GitHub) · coding · 8,819 stars · scanned at commit c6ca6c4

Builds a throwaway playable prototype in about an hour to answer one question, usually "is this mechanic fun?": a one-question brief, a greybox, a debug HUD, a playtest and a keep, kill or retune call. Use for "prototype this", "just get something playable" or whether to keep prototype code. Not for a timed jam (`game-jam`) or level blockouts (`level-design`).

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/'prototype-fast' ] || [ -L ~/.agents/skills/'prototype-fast' ]; then echo 'A skill folder named prototype-fast already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/gamedev-skills/awesome-gamedev-agent-skills' "$d" && git -C "$d" checkout --quiet 'c6ca6c41c839b68319ffc08430b99ab768debc32' -- 'skills/workflows/prototype-fast' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/workflows/prototype-fast' ~/.agents/skills/'prototype-fast' && 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/'prototype-fast' ~/.claude/skills/'prototype-fast' (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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