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typescript-magician

95 / 100 · Low risk

Fine to try.

By mcollina/skills (GitHub) · coding · 1,968 stars · scanned at commit c75d70d

Designs complex generic types, refactors `any` types to strict alternatives, creates type guards and utility types, and resolves TypeScript compiler errors. Use when the user asks about TypeScript (TS) types, generics, type inference, type guards, removing `any` types, strict typing, type errors, `infer`, `extends`, conditional types, mapped types, template literal types, branded/opaque types, or utility types like `Partial`, `Record`, `ReturnType`, and `Awaited`.

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/'typescript-magician' ] || [ -L ~/.agents/skills/'typescript-magician' ]; then echo 'A skill folder named typescript-magician already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/mcollina/skills' "$d" && git -C "$d" checkout --quiet 'c75d70dbfbe991d8cec42aeda0b64ff14fbb9ac7' -- 'skills/typescript-magician' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/typescript-magician' ~/.agents/skills/'typescript-magician' && 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/'typescript-magician' ~/.claude/skills/'typescript-magician' (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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