IntelliJ Platform SDK Skill

Use this skill for IntelliJ Platform plugin development based on the modern v2 SDK.

This skill is intentionally split into focused references so the main file stays small and the model can load only the material relevant to the task.

What this skill helps with

• creating or updating IntelliJ Platform plugins
• configuring build.gradle.kts, settings.gradle.kts, and plugin.xml
• implementing actions, services, tool windows, settings, and notifications
• working with PSI, references, indexing, VFS, and dumb mode
• building custom language support
• implementing inspections, intentions, quick fixes, completion, formatting, and documentation
• implementing run configurations, program runners, and execution consoles
• providing live templates, file templates, and postfix completion
• creating or extending IDE themes and color schemes
• integrating Language Servers (LSP) in plugin-development context
• contributing MCP tools and toolsets