VS Code Extension Patterns Skill

Reusable patterns for VS Code extension development.

⚠️ Staleness Warning

VS Code APIs evolve with each monthly release. Patterns may become outdated or better alternatives may emerge.

Refresh triggers:

• VS Code major/minor releases
• New proposed APIs becoming stable
• Extension API deprecations
• Webview security policy changes

Last validated: February 2026 (VS Code 1.109+)

Check current state: VS Code API, Release Notes