TypeScript Strict Mode

Ensures strict type safety, proper generics usage, and advanced TypeScript patterns across your codebase.

Claude Code

Cursor

Windsurf

VS Code

Quick Info

File Type:SKILL.md

Platform:Claude Code

Author:MCP Directory

Category:Language

What This Skill Does

Enforces TypeScript best practices including strict mode compliance, proper generic constraints, discriminated unions, exhaustive switch statements, and branded types. Eliminates type-safety loopholes and produces more reliable code.

Tags

#typescript

#types

#strict

#generics

Skill Code Preview

Copy this code to your SKILL.md file

---
name: typescript-strict
description: TypeScript strict mode enforcer
---
# TypeScript Strict Mode
## Rules
- Never use 'any' — use 'unknown' and narrow with type guards
- Always define explicit return types on functions
- Use discriminated unions for algebraic data types
- Prefer 'satisfies' over type assertions
- Use branded types for IDs and domain values

Installation Instructions

For Claude Code:

Create a .claude/ folder in your project root
Create a file named SKILL.md in the .claude/ folder
Copy the skill code above and paste it into the SKILL.md file
Save the file and Claude Code will automatically use this skill

For Cursor:

Create a file named .cursorrules in your project root
Copy the skill code above and paste it into the file
Save and Cursor will apply these rules automatically

For Windsurf:

Open Windsurf IDE settings
Navigate to AI Rules / Custom Instructions
Copy and paste the skill code above
Save and apply the rules

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