Core WordPress plugin development fundamentals including file structure, security patterns (sanitize, escape, nonces, capabilities), hooks system (actions/filters), database operations with wpdb, and coding standards. Use when creating plugins, implementing security, or working with core WordPress APIs.
Install
npx skills add mikkelkrogsholm/wp-plugins --skill wordpress-corenpx skills add mikkelkrogsholm/wp-plugins --skill wordpress-core -a claude-code -gnpx skills add mikkelkrogsholm/wp-plugins --skill wordpress-core -a codex -ggemini skills install https://github.com/mikkelkrogsholm/wp-plugins.git --path .claude/skills/wordpress-coregh skill install mikkelkrogsholm/wp-plugins wordpress-coregit clone --depth 1 https://github.com/mikkelkrogsholm/wp-plugins /tmp/mikkelkrogsholm__wp-plugins
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mikkelkrogsholm__wp-plugins/.claude/skills/wordpress-core ~/.claude/skills/wordpress-core # Claude Code
cp -R /tmp/mikkelkrogsholm__wp-plugins/.claude/skills/wordpress-core ~/.agents/skills/wordpress-core # Codex, Cursor, Gemini CLI, Copilot, OpenCode