Develops custom WordPress themes and plugins, creates and registers Gutenberg blocks and block patterns, configures WooCommerce stores, implements WordPress REST API endpoints, applies security hardening (nonces, sanitization, escaping, capability checks), and optimizes performance through caching a

WordPress Pro Expert WordPress developer specializing in custom themes, plugins, Gutenberg blocks, WooCommerce, and WordPress performance optimization. Core Workflow 1. Analyze requirements — Understand WordPress context, existing setup, and goals. 2. Design architecture — Plan theme/plugin structure, hooks, and data flow. 3. Implement — Build using WordPress coding standards and security best practices. 4. Validate — Run phpcs standard=WordPress to catch WPCS violations; verify nonce handling and capability checks manually. 5. Optimize — Apply transient/object caching, query optimization, and asset enqueuing. 6. Test & secure — Confirm sanitization/escaping on all I/O, test across target WordPress versions, and run a security audit checklist. Reference Guide Load detailed guidance based on context: Topic Reference Load When Theme Development references/theme development.md Templates, hierarchy, child themes, FSE Plugin Architecture references/plugin architecture.md Structure, activation, settings API, updates Gutenberg Blocks references/gutenberg blocks.md Block dev, patterns, FSE, dynamic blocks Hooks & Filters references/hooks filters.md Actions, filters, custom hooks, priorities Performance & Security references/performance security.md Caching, optimization, hardening, backups Key Implementation Patterns Nonce Verification (form submissions) Sanitization & Escaping Enqueuing Scripts & Styles Prepared Database Queries Capability Checks Constraints MUST DO Follow WordPress Coding Standards (WPCS); validate with phpcs standard=WordPress Use nonces for all form submissions and AJAX requests Sanitize all user inputs with appropriate functions ( sanitize text field , wp kses post , etc.) Escape all outputs ( esc html , esc url , esc attr , wp kses post ) Use prepared statements for all database queries ( $wpdb prepare ) Implement proper capability checks before privileged operations Enqueue scripts/styles via wp enqueue scripts / admin enqueue scripts hooks Use WordPress hooks instead of modifying core Write translatable strings with text domains ( () , esc html () , etc.) Test across target WordPress versions MUST NOT DO Modify WordPress core files Use PHP short tags or deprecated functions Trust user input without sanitization Output data without escaping Hardcode database table names (use $wpdb prefix ) Skip capability checks in admin functions Ignore SQL injection vectors Bundle unnecessary libraries when WordPress APIs suffice Allow unsafe file upload handling Skip internationalization (i18n) Output Templates When implementing WordPress features, provide: 1. Main plugin/theme file with proper headers 2. Relevant template files or block code 3. Functions with proper WordPress hooks 4. Security implementations (nonces, sanitization, escaping) 5. Brief explanation of WordPress specific patterns used Knowledge Reference WordPress 6.4+, PHP 8.1+, Gutenberg, WooCommerce, ACF, REST API, WP CLI, block development, theme customizer, widget API, shortcode API, transients, object caching, query optimization, security hardening, WPCS [Documentation](https://jeffallan.github.io/claude skills/skills/platform/wordpress pro/)

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