All Toolsโ€บClaude Theme Builder
๐Ÿ”ง Claude Design for UI/UX AutomationApril 18, 2026โœ… Tests passing

Claude Theme Builder

This tool generates custom CSS themes and component styles by connecting with Claude Design. Developers can specify branding details (e.g., primary colors, fonts), and the tool produces a complete CSS file tailored to their requirements.

What It Does

  • Generates responsive, modern CSS themes using Claude Design.
  • Supports multiple framework-specific output formats (e.g., Material-UI, Bootstrap).
  • Merges user-provided branding details with default design settings from Claude Design.
  • Outputs a complete CSS file ready for use in your projects.

Installation

1. Clone the repository:

git clone https://github.com/your-repo/claude_theme_builder.git
    cd claude_theme_builder

2. Install the required dependencies:

pip install -r requirements.txt

Usage

To generate a CSS theme, run the following command:

python claude_theme_builder.py --config <path_to_config.json> --framework <framework_name> --output <output_file.css>

Example

python claude_theme_builder.py --config branding.json --framework bootstrap --output theme.css
  • --config: Path to a JSON file specifying branding details (e.g., primary colors, fonts, spacing).
  • --framework: The framework for which the CSS should be generated. Supported options: bootstrap, material-ui.
  • --output: Path to save the generated CSS file.

Source Code

import argparse
import json
import os
import requests
from jinja2 import Environment, FileSystemLoader

TEMPLATE_DIR = os.path.join(os.path.dirname(__file__), 'templates')

class ThemeBuilder:
    def __init__(self, config, framework):
        self.config = config
        self.framework = framework
        self.env = Environment(loader=FileSystemLoader(TEMPLATE_DIR))

    def generate_css(self):
        try:
            template = self.env.get_template(f'{self.framework}.css.j2')
        except Exception as e:
            raise ValueError(f"Template for framework '{self.framework}' not found.") from e

        css = template.render(self.config)
        return css

def fetch_design_defaults():
    url = "https://api.claude.design/defaults"
    try:
        response = requests.get(url, timeout=10)
        response.raise_for_status()
        return response.json()
    except requests.RequestException as e:
        raise RuntimeError("Failed to fetch design defaults from Claude Design API.") from e

def load_config(config_path):
    try:
        with open(config_path, 'r') as file:
            return json.load(file)
    except FileNotFoundError:
        raise FileNotFoundError(f"The configuration file '{config_path}' does not exist.")
    except json.JSONDecodeError:
        raise ValueError(f"The configuration file '{config_path}' is not a valid JSON file.")

def main():
    parser = argparse.ArgumentParser(description="Claude Theme Builder: Generate custom CSS themes.")
    parser.add_argument('--config', required=True, help="Path to the JSON configuration file.")
    parser.add_argument('--framework', required=True, choices=['bootstrap', 'material-ui'], help="Framework for the CSS output.")
    parser.add_argument('--output', required=True, help="Output path for the generated CSS file.")
    args = parser.parse_args()

    try:
        config = load_config(args.config)
        defaults = fetch_design_defaults()
        config = {**defaults, **config}  # Merge defaults with user config

        builder = ThemeBuilder(config, args.framework)
        css = builder.generate_css()

        with open(args.output, 'w') as output_file:
            output_file.write(css)

        print(f"CSS theme successfully generated and saved to '{args.output}'.")
    except Exception as e:
        print(f"Error: {e}")

if __name__ == "__main__":
    main()

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Details

Tool Name
claude_theme_builder
Category
Claude Design for UI/UX Automation
Generated
April 18, 2026
Tests
Passing โœ…

Quick Install

Clone just this tool:

git clone --depth 1 --filter=blob:none --sparse \
  https://github.com/ptulin/autoaiforge.git
cd autoaiforge
git sparse-checkout set generated_tools/2026-04-18/claude_theme_builder
cd generated_tools/2026-04-18/claude_theme_builder
pip install -r requirements.txt 2>/dev/null || true
python claude_theme_builder.py
Claude Theme Builder โ€” AI Tools by AutoAIForge