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kirby-contentwizard

AI page generator for kirby-pagewizard. Describe what a page should be about, and Claude writes it — built from the blocks that are enabled in the project.

• Knows the project's blocks. The generator reads the blocks activated in the Project Wizard and their content fields straight from the blueprints. A newly installed kirbyblock plugin is picked up automatically — nothing to configure.
• Only valid content. The block catalog is turned into a JSON schema (structured output), so Claude can only answer with blocks and fields that exist on the website.
• Project defaults. Every block starts with the defaults of its blueprint, exactly like adding a block in the panel. Layout and style follow the project settings; only the text is generated.
• Default language. Pages are written in the site's default language. Use kirby-translatewizard for the other languages.

Photos and videos from Pexels. With a Pexels API key, the hero gets a short background video and cards (cardlets) get photos: Claude describes a fitting scene, the plugin searches Pexels, adds the file to the page and fills alt text / title and the credit fields (creator, credit line, source, Pexels License). Media blocks are off by default; enable them under Project Wizard → AI → Blocks for the AI to let the generator add photo blocks too.

Blocks that need links or other files (e.g. buttons, videos) are left out — Claude cannot provide them. Add those in the panel afterwards.

Requirements

• Kirby 5
• kirby-pagewizard 1.1.51+ (provides the shared AI view button)
• An Anthropic API key

Installation

Configuration

API keys and the model go into site/config/config.php — they belong to the server:

Easier: manage the keys in the panel under Project Wizard → AI → Access keys (admins only). They are written to the project's .env (next to the site folder) as ANTHROPIC_API_KEY / PEXELS_API_KEY, never shown again in full, and stay out of the content deploy and git. Order of precedence: plugin option in config.php, then .env, then the process environment.

With claude-opus-5, server-side refusal fallbacks are enabled: if the model declines a request, the API retries it on a fallback model.

AI defaults per project

Everything else is set per project in the Project Wizard → AI tab (requires kirby-projectwizard 1.0.85+) and stored in content/.projectwizard/contentwizard.json:

• Project and voice — what the website is about, who it addresses, how it speaks. Sent along with every page.
• Writing rules — one per line.
• Blocks for the AI — default: all enabled blocks except multi-column, heading and media.
• Sections — two themes the generated sections alternate between.
• Background video / photo (hero) — height, overlay and theme. The theme is chosen automatically by default: the plugin measures the brightness of the video (preview image) or photo (Pexels' average colour), darkens it by the black overlay and picks the theme whose heading colour has the best contrast. Themes and colours are read from the Project Wizard, so this works with every project's variants.

Panel button

The action appears in the AI view button of kirby-pagewizard — in the default language, on pages with pagewizard's blocks field. Add the button to panel.viewButtons:

Block hints for plugin authors

Each block is described to Claude by its name and field labels. A block plugin can add a short hint on when to use it with an i18n key next to its name key — <plugin>.name → <plugin>.ai:

Development

• src/BlockCatalog.php — reads enabled blocks and their content fields
• src/Generator.php — builds prompt + JSON schema, calls Claude (streaming)
• src/BlockBuilder.php — turns the answer into Kirby block data with blueprint defaults
• src/Pexels.php — finds a photo/video, adds it with credit fields, measures its brightness
• src/Settings.php — the project's AI defaults (Project Wizard → AI)
• src/ThemeContrast.php — picks the theme with the best contrast on a background