jetbrains-vmoptions

Generate Markdown VM options blocks for JetBrains IDEs by IDE version and JDK.

18|3|Updated Jan 12, 2026
One-click install
npx skills add https://github.com/buYoung/skills --skill jetbrains-vmoptions
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: jetbrains-vmoptions
Source: https://github.com/buYoung/skills/tree/main/skills/jetbrains-vmoptions
Command: npx skills add https://github.com/buYoung/skills --skill jetbrains-vmoptions

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Provides JetBrains IDE VM options knowledge for version-specific GC selection and memory/performance tuning (JDK 17/21, IDE 222+). Use this skill whenever the user mentions JetBrains IDE performance, vmoptions, .vmoptions files, IntelliJ/WebStorm/PyCharm/GoLand/Rider/CLion/PhpStorm/RubyMine/DataGrip tuning, IDE freezes or lag, heap size configuration, GC tuning for IDEs, startup or runtime performance — even if they don't explicitly mention "vmoptions".

Core Features & Use Cases

  • Generate .vmoptions configurations for JetBrains IDEs. Output as Markdown code blocks (one option per line, # comments). Do not generate files directly.
  • Map IDE version to the correct JDK and GC options (JDK 17 vs 21) to ensure compatibility with the selected GC strategy.
  • Provide a workflow that reads prerequisite checks and references to compose tailored VM options for startup performance, memory sizing, and GC tuning.

Quick Start

Generate a VM options block for your JetBrains IDE based on the detected IDE version and JDK, then apply it to improve startup and runtime performance.

Frequently Asked Questions about jetbrains-vmoptions

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I tune JetBrains IDE vmoptions for better startup and runtime performance?

To tune JetBrains IDE vmoptions, map your IDE version to the correct JDK and GC options, ensuring compatibility with your selected GC strategy. This process generates a Markdown configuration block with grouped sections and explanatory comments for startup optimization, memory sizing, and GC tuning.

What are the best GC tuning settings for IntelliJ IDEA and PyCharm?

The best GC tuning settings depend on mapping your IDE version to the correct JDK 17 or 21 garbage collection options. This ensures compatibility with your selected GC strategy and optimizes memory sizing and runtime performance across IntelliJ IDEA, PyCharm, and other JetBrains IDEs.

Does JetBrains vmoptions tuning work with JDK 17 and JDK 21?

Yes, JetBrains vmoptions tuning works with JDK 17 and JDK 21 for IDE versions 222+ and 243+. It enforces IDE version mapping to select the correct JDK and GC options, ensuring compatibility and optimizing memory and startup performance.

How do I configure heap size and fix IDE freezes using .vmoptions files?

Configure heap size and fix JetBrains IDE freezes by applying tailored VM options for memory sizing and GC tuning. This generates a `.vmoptions` configuration block with appropriate memory settings and explanatory comments to resolve IDE lag and freezes.

Can I use the same vmoptions configuration for WebStorm, GoLand, and DataGrip?

Yes, the same vmoptions tuning process applies to WebStorm, GoLand, and DataGrip. It generates tailored VM options by mapping each IDE version to the correct JDK, ensuring optimal startup performance, memory sizing, and GC tuning across all supported JetBrains IDEs.