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playground

80 / 100 · Low risk

Fine to try. Some of what it can do is expected: a security skill usually runs scanners and checks websites.

By wellwelwel/lagune (GitHub) · security · 216 stars · scanned at commit a9a6494

Mounts an agent against this tree's build in an isolated home and a fresh fixture, then measures it, probes it, or adds it, before any release publishes that build.

Works with any agent that supports SKILL.md skills.

What this skill can do

Downloads and installs other software

The author does not mention this.

Found in 10 places.

Show 7 more

Sends data to these websites: cursor.com, antigravity.google

The author does not mention this. Expected for a security skill.

Found in 2 places.

Install

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

if [ -e ~/.agents/skills/'playground' ] || [ -L ~/.agents/skills/'playground' ]; then echo 'A skill folder named playground already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/wellwelwel/lagune' "$d" && git -C "$d" checkout --quiet 'a9a64940a9b9b9feea3bca0eca6c2f5b65c503a9' -- '.claude/skills/playground' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/playground' ~/.agents/skills/'playground' && 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/'playground' ~/.claude/skills/'playground' (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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Score history

DateVersionScore
2026-11-14a9a649480
2026-11-108dce87880
2026-11-079ee437580