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nickel

80 / 100 · Low risk

Fine to try.

By vinnie357/claude-skills (GitHub) · other · 27 stars · scanned at commit 7a6070e

Configuration language with gradual typing and contracts for schema validation. Use when defining typed configuration schemas, validating YAML/JSON/TOML inputs, merging configurations, or generating type-safe config from Nickel sources.

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/'nickel' ] || [ -L ~/.agents/skills/'nickel' ]; then echo 'A skill folder named nickel already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/vinnie357/claude-skills' "$d" && git -C "$d" checkout --quiet '7a6070e1bc6b061e23170b3d97f5a92bd6b112b7' -- 'plugins/tools/tweag/skills/nickel' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/tools/tweag/skills/nickel' ~/.agents/skills/'nickel' && 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/'nickel' ~/.claude/skills/'nickel' (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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