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l2s

100 / 100 · Low risk

Fine to try.

By austintgriffith/ethskills (GitHub) · devops · 304 stars · scanned at commit 47779e7

Use when choosing an Ethereum L2, deploying the same app across chains, or moving funds between an L2 and mainnet — which chain fits the binding constraint, what each chain does differently at deploy time, and which widely-held facts about the L2 landscape are now false.

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/'l2s' ] || [ -L ~/.agents/skills/'l2s' ]; then echo 'A skill folder named l2s already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/austintgriffith/ethskills' "$d" && git -C "$d" checkout --quiet '47779e720e99c0d5014c0612a08500bdd565108f' -- 'l2s' && mkdir -p ~/.agents/skills && cp -R "$d"/'l2s' ~/.agents/skills/'l2s' && 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/'l2s' ~/.claude/skills/'l2s' (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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