typescript-pro
An agent skill by Jeffallan, from Jeffallan/claude-skills. Tags: architecture, code-quality, javascript, react, typescript.
What it does
Implements advanced TypeScript type systems, creates custom type guards, utility types, and branded types, and configures tRPC for end-to-end type safety. Use when building TypeScript applications requiring advanced generics, conditional or mapped types, discriminated unions, monorepo setup, or full-stack type safety with tRPC.
Install
With the skills CLI, which installs into Claude Code, Codex, Cursor and other agents:
npx skills add Jeffallan/claude-skills --skill typescript-proOr copy the skill folder into Claude Code's skills directory by hand (~/.claude/skills for every project, or .claude/skills inside one):
git clone --depth 1 https://github.com/Jeffallan/claude-skills
cp -r claude-skills/skills/typescript-pro ~/.claude/skills/typescript-proSafety box score
Not rated yet. A safety box score grades what a skill and its scripts can reach on the machine of whoever installs it, across eight categories from shell execution to secrets access. Anyone can request one from this page; it is saved for everyone. How the score works.
Source
- Repository
- Jeffallan/claude-skills (all skills from this repository)
- Path
- skills/typescript-pro/SKILL.md
- Branch
- main
- Updated
- 2026-09-19
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