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dev.code-extension

Install VS Code and Cursor extensions from local .vsix files.

6|Updated Nov 10, 2025
Search Tags:#automation#vscode#cli#extensions#cursor#install#vsix
One-click install
npx skills add https://github.com/kevinslin/llm --skill dev-code-extension
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: dev.code-extension
Source: https://github.com/kevinslin/llm/tree/main/skills/dev.code-extension
Command: npx skills add https://github.com/kevinslin/llm --skill dev-code-extension

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps users install VS Code and Cursor extensions directly from a local VSIX file via the command line, streamlining setup and reproducibility.

Core Features & Use Cases

  • Install extensions across VS Code, VS Code Insiders, Cursor, and Cursor Nightly from a local .vsix file.
  • Supports deterministic, scriptable installation in CI or local environments.
  • Use-case example: When provisioning a new development machine, install needed extensions without opening a GUI.

Quick Start

Install a local .vsix file into the desired editor using the corresponding CLI command and verify installation.

Frequently Asked Questions about dev.code-extension

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

FAQPage Schema
How do I install a VSIX file in Cursor from the command line?▼

To install a VSIX file in Cursor from the command line, use an automated CLI command that provisions the extension locally and verifies the installation. This supports Cursor and Cursor Nightly without needing a GUI.

Can I automate VS Code extension installation in a CI pipeline using a local VSIX?▼

Yes, you can automate VS Code extension installation in CI pipelines using a local VSIX. The process enforces local path handling and post-install verification for deterministic, scriptable provisioning across code and code-insiders.

Does this command line extension installer work with VS Code Insiders and Cursor Nightly?▼

Yes, the command line extension installer works with VS Code, VS Code Insiders, Cursor, and Cursor Nightly. It applies editor-specific install commands to provision extensions from local VSIX files across these platforms.

What is the best way to provision VS Code extensions for offline development setups?▼

The best way to provision VS Code extensions for offline setups is installing from a local VSIX via CLI. This enforces local path handling and post-install verification, ensuring extensions are deterministically installed without internet access.

Why does my VSIX installation fail without a GUI in a headless environment?▼

VSIX installation in headless environments requires using specific CLI commands instead of a GUI. Automating this process with local path handling and post-install verification ensures successful extension provisioning in headless CI pipelines.

How to verify VS Code extensions are installed correctly after using the CLI?▼

To verify VS Code extensions are installed correctly after using the CLI, the automated installation process includes a built-in post-install verification step. This confirms the extension was successfully provisioned across the specified editor.

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