Build secure WordPress plugins with hooks, database interactions, Settings API, custom post types, and REST API. Covers Simple, OOP, and PSR-4 architecture patterns plus the Security Trinity. Includes WordPress 6.7-6.9 breaking changes. Use when creating plugins or troubleshooting SQL injection, XSS, CSRF, REST API vulnerabilities, wpdb::prepare errors, nonce edge cases, or WordPress 6.8+ bcrypt migration.
Install with Tessl CLI
npx tessl i github:jezweb/claude-skills --skill wordpress-plugin-core81
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npx tessl skill review --optimize ./path/to/skillValidation for skill structure
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