klytos

Guide for developing and maintaining Klytos CMS core. Use when modifying core files, adding MCP tools, fixing bugs, extending the core architecture, changing the build engine, modifying the installer, implementing hooks, or working with storage backends. Covers foundational principles (AI-first, privacy by design, security by default), architecture, boot sequence, manager pattern, MCP tool registration, and security checklist.

Complete guide for developing Klytos CMS plugins including structure, entry points, MCP tools, admin pages, hooks, routes, and best practices. Use when creating, modifying, extending Klytos functionality, adding MCP tools, admin pages, hooks, filters, or debugging plugins.

Complete reference of CSS design tokens, component classes, utility classes, and frontend styling in Klytos CMS. Use when building content, plugins, or admin templates that need consistent styling without hardcoding colors or writing custom CSS.

Guide for creating custom page templates, template parts, hook points, reusable blocks, and page template recipes in Klytos CMS. Use when creating new page layout templates, customizing template parts, adding frontend hook points, defining reusable blocks with slots, or building page template recipes combining multiple blocks.

Complete reference of all hooks (actions and filters) available in Klytos CMS for intercepting and extending functionality. Use when hooking into Klytos events, modifying behavior through filters, adding custom behavior at lifecycle points, or understanding the hook system and priorities.

Reference of all global helper functions available in Klytos CMS. Use when developing plugins, extending the CMS, accessing core services, checking permissions, generating URLs, logging messages, or calling any klytos_* global function from PHP code.

Guide for saving and retrieving plugin options and site configuration in Klytos CMS. Use when a plugin needs to store or read persistent settings, manage site configuration, retrieve options, save persistent key-value data, work with the Options API, Site Config, or Storage API, manage plugin settings, query options by domain, or clean up options during plugin uninstall.

Security architecture and best practices for Klytos CMS. Use when dealing with authentication, encryption, access control, CSRF protection, rate limiting, security headers, HTTPS, or security hardening. Essential for secure development and understanding Klytos security model.

Complete reference for page data structure, creation, editing, and templates in Klytos CMS. Use when creating pages, updating pages, querying pages, understanding page fields, using page templates, working with hierarchical URLs, managing page content, using page hooks, editing content with Gutenberg blocks, or the PageManager API.

Guide for SEO, sitemap.xml, llms.txt, and search engine and AI indexing in Klytos CMS. Use when asking about SEO, sitemap, robots.txt, llms.txt, meta tags, Open Graph, structured data, search engine optimization, AI indexing, page indexing, canonical URLs, hreflang tags, JSON-LD schema, or the build engine SEO process.

Guide for creating Custom Post Types, Taxonomies, Custom Fields, and Custom Post Statuses in Klytos CMS. Use when adding new content types beyond pages (products, properties, blog posts, events, portfolio items, etc.), adding taxonomies for content organization, defining structured custom fields with validation, or creating custom workflow statuses per post type. Covers post type structure, MCP tools, plugin API, admin interface, hooks, and complete end-to-end examples.

Guide for adding items to the admin sidebar, creating admin pages for plugins, and building admin UI in Klytos CMS. Use when adding menu items to the admin panel sidebar, creating admin pages for plugins, building admin forms, working with admin templates, implementing admin styling, creating AJAX endpoints, or understanding the admin panel structure and design patterns.

Guide for working with dates, times, and timezones in Klytos CMS. Use when formatting dates, converting timezones, scheduling actions with timestamps, displaying local time, working with UTC storage, building timezone selectors, or using any klytos_date/klytos_gmdate/klytos_timezone functions.

Guide for displaying admin notices in Klytos CMS. Use when showing success, error, warning, or info messages to admin users, implementing flash messages after form submissions, creating persistent warnings that survive page loads, adding conditional notices that auto-hide when conditions change, or handling notice dismissal via AJAX. Also trigger when working with the NoticeManager, transient notices, or the notice.before_render filter.

Guide for building a complete website from scratch with Klytos CMS. Use when creating a new site, configuring a site after installation, setting up design/content/SEO/navigation, or when the user pastes the post-install prompt. Covers 9 phases: discovery, design reference, global config, theme, content structure, templates, content creation, additional features, and launch.

File integrity verification system for Klytos CMS. Use when working with integrity checking, file hash verification, manifest generation, RSA signature verification, plugin trust levels, or the integrity admin page.

Guide to Gutenberg block markup for Klytos CMS — CRITICAL for page creation via MCP. All HTML content MUST use Gutenberg block comment delimiters so the visual editor can parse blocks correctly. Use when creating or updating pages with content.

Perform comprehensive web accessibility audits covering WCAG 2.2 (A, AA, AAA), European Accessibility Act (EAA), ADA, Section 508, and EN 301 549. Generates detailed audit reports with findings, severity levels, legal risk assessment, and actionable fix recommendations. Use this skill whenever the user mentions accessibility, a11y, WCAG, ADA compliance, EAA, Section 508, screen reader compatibility, keyboard navigation issues, color contrast, ARIA attributes, or wants to verify their site meets accessibility standards. Also trigger when reviewing HTML/CSS/JS for inclusive design, preparing for an accessibility lawsuit, or building accessible components from scratch. If someone asks "is my site accessible?" or "does this meet WCAG?" — this is the skill to use.

Guide ensuring all page content in Klytos CMS meets WCAG 2.1 AA accessibility standards. Use when creating page content, building admin pages, testing HTML/CSS output, ensuring compliance with keyboard navigation, screen reader compatibility, color contrast, forms, tables, video captions, semantic HTML, ARIA attributes, and language settings. Essential for EU legal compliance (European Accessibility Act) and SEO.

Guide for implementing GDPR/CCPA-compliant cookie consent in Klytos CMS. Use when configuring consent settings, managing plugin cookie declarations, setting up the consent banner, auditing compliance, integrating third-party scripts (Google Analytics, Meta Pixel, Matomo, etc.), or working with the JavaScript consent library. Covers configuration, PHP API, JavaScript API, MCP tools, hooks, build integration, and plugin developer guide.

Guide for creating and managing custom fields and metadata in Klytos CMS. Use when attaching extra data to pages, users, or custom post types, storing metadata on entities, working with the Meta API, or using the Field Manager. Covers two systems: MetaManager for free-form key-value data and FieldManager for structured typed fields with 27 field types, validation rules, and schema enforcement.

Design principles, color philosophy, component composition patterns, and rules for maintaining visual consistency across the Klytos admin panel. Reference this BEFORE writing any HTML/CSS in admin pages. Covers design tokens, color usage, layout rules, button hierarchy, form patterns, badges, responsive design, CSS architecture, and checklist for new admin pages.

Guide explaining the differences between the Desktop interface (Admin Panel) and the AI interface (MCP) in Klytos CMS. Essential for implementing features correctly in both interfaces. Covers core philosophy, interface comparison, Admin Panel pattern with CSRF, MCP pattern with JSON-RPC, authentication methods, equivalency table, shared business logic, and plugin development checklist.

Complete guide for escape and sanitization functions in Klytos CMS. Use when outputting data to HTML, processing user input, filtering HTML content, implementing CSRF protection, validating data, or protecting forms against CSRF attacks. Essential for secure output escaping, input sanitization, HTML filtering with KSES, and form security.

Guide for the Klytos Forms plugin — creating, managing, and rendering forms with conditional logic, multi-step, anti-spam, notifications, and MCP tools. Use when working with forms, form fields, form entries, form submissions, conditional logic, form notifications, or the forms MCP tools.

Guide for the Klytos Importer plugin — AI-powered content migration from any website (WordPress XML, sitemap, crawling) with MCP tools for analysis, fetching, conversion, and batch import. Use when working with importing content, migrating websites, WordPress exports, sitemap imports, content crawling, or the importer MCP tools.

Guide for adding MCP (Model Context Protocol) tools to Klytos CMS — the PRIMARY interface for AI control. Use when registering new MCP tools, handling tool calls, extending the MCP API, understanding tool annotations, or building AI-controllable features. Everything added to Klytos must be configurable via MCP.

Guide for working with the Klytos Media Management system — asset metadata, categories, usage tracking, admin UI, API endpoints, and MCP tools. Use when working with asset or media management, image categories, usage tracking, asset cleanup, media library admin UI, or asset organization.

Guide for managing site navigation menus in Klytos CMS. Use when adding, modifying, or removing menu items, creating menus, building navigation, associating items with pages, or creating dropdown submenus.

Guide for GDPR compliance and privacy tools in Klytos CMS. Use when handling data subject requests, implementing data export, data erasure, privacy policy management, GDPR compliance, or managing user privacy rights.

Guide for scheduling background tasks, cron jobs, and recurring actions in Klytos CMS. Use when scheduling background tasks, creating cron jobs, running periodic cleanup, executing deferred actions, querying scheduled actions, setting up recurring tasks, handling action retries, managing the action scheduler, or working with ActionScheduler or CronManager.

Use when creating or editing page content in Klytos CMS. Ensures every page has proper SEO structure, HTML semantics, meta tags, structured data, accessibility for maximum search engine visibility. Apply when writing page titles, descriptions, content, headings, images, internal links, JSON-LD schema, or following the SEO checklist before publishing pages.

Guide for developing and extending the Klytos web terminal. Use when modifying terminal commands, adding terminal commands from plugins, fixing terminal bugs, extending the pseudo-terminal, working with TerminalExecutor class, registering custom permissions, adding custom category labels, or managing terminal UI and security.