This skill provides expert-level guidance for VS Code extension development. Use when implementing new extension features, debugging extension code, designing WebView UIs, implementing Language Server Protocol features, or optimizing extension performance. Covers activation events, contribution points, VS Code API patterns, security best practices, testing strategies, and publishing workflows.
Install
npx skills add s-hiraoku/vscode-sidebar-terminal --skill vscode-extension-expertnpx skills add s-hiraoku/vscode-sidebar-terminal --skill vscode-extension-expert -a claude-code -gnpx skills add s-hiraoku/vscode-sidebar-terminal --skill vscode-extension-expert -a codex -ggemini skills install https://github.com/s-hiraoku/vscode-sidebar-terminal.git --path .claude/skills/vscode-extension-expertgh skill install s-hiraoku/vscode-sidebar-terminal vscode-extension-expertgit clone --depth 1 https://github.com/s-hiraoku/vscode-sidebar-terminal /tmp/s-hiraoku__vscode-sidebar-terminal
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/s-hiraoku__vscode-sidebar-terminal/.claude/skills/vscode-extension-expert ~/.claude/skills/vscode-extension-expert # Claude Code
cp -R /tmp/s-hiraoku__vscode-sidebar-terminal/.claude/skills/vscode-extension-expert ~/.agents/skills/vscode-extension-expert # Codex, Cursor, Gemini CLI, Copilot, OpenCode