# Frontend Type Checking > How to perform type checking on the frontend codebase to ensure type safety and reduce bugs. Use when this capability is needed. - Skill: `tomevault-io/frontend-type-checking` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/frontend-type-checking` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/frontend-type-checking/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Web & Frontend - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/frontend-type-checking --- # Frontend Type Checking To perform type checking on the frontend codebase: 1. **Navigate to Directory:** Change to the `./frontend/` directory. 2. **Run Command:** Execute `npm run type-check` to perform type checking. 3. **Constraint:** Do not bypass type checking errors; if `npm run type-check` fails, fix the underlying code issues before completing the task. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/jpmolinamatute) — claim your Tome and manage your conversions.