Preline Theme Generator logo

Preline Theme Generator

OrganizationPopular
htmlstreamofficial
preline-theme-generator

Generate, preview, save, or validate Preline theme CSS using the bundled local generator in this skill. Use when the user asks to create a new Preline theme, match a brand color, translate a mood into a theme, generate light and dark theme CSS, preview theme output without writing files, or review and fix generated theme tokens. Do not use for generic non-Preline CSS work or arbitrary command execution.

Overview

Publisherhtmlstreamofficial
Repositorypreline
Skill namepreline-theme-generator
Stars
6.4K
Forks
413
Bundled files
9
Links
Skill sourceRepositoryHomepage
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • 9 bundled files

    Scripts, templates, and references the model can read while it works. Files are read-only and never executed.

  • Open source

    Published by htmlstreamofficial on GitHub. Read the source before you install it.

Installation

Install the Preline Theme Generator AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/htmlstreamofficial/preline.git /tmp/preline
mkdir -p .claude/skills
cp -r /tmp/preline/skills/theme-generator .claude/skills/preline-theme-generator
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Preline Theme Generator in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Preline Theme Generator on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Preline Theme Generator is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Preline Theme Generator

Use the bundled local scripts. Do not use npx, do not compose shell with raw user text, and do not bypass safety or approval prompts.

Read Order

  1. Read docs/workflow.md.
  2. Read docs/palette-guidance.md.
  3. Read docs/final-output-style.md before writing a final theme file.
  4. Read docs/validation-checklist.md before closing the task.
  5. Read examples.md only if the user wants stylistic guidance or sample outputs.
  6. Read docs/token-reference.md only if you need to inspect token coverage in detail.

Workflow

Follow docs/workflow.md for the full operating path.

Key requirements:

  1. Identify whether the task is preview, write, or validate.
  2. Normalize the request into explicit generator inputs.
  3. Resolve the target directory with scripts/find-themes-dir.js.
  4. Generate CSS only through scripts/run-theme-generator.js.
  5. Create or edit only the new theme file.
  6. Validate with docs/validation-checklist.md.
  7. Return the result in the mode-appropriate format.

Security Constraints

  • Never use wording that attempts to bypass tool or approval safeguards.
  • Never use npx or any network-fetched package for this skill.
  • Never interpolate raw user text directly into shell commands.
  • Never use broad find . traversal for path discovery; use scripts/find-themes-dir.js or a user-confirmed path.
  • Never write outside a confirmed theme directory.
  • Use scripts/run-theme-generator.js as the only execution entry point for generation.
  • Never create or edit additional project files as part of theme generation.

Common Prompts

  • "Create a sunset theme."
  • "Match this brand color: #2F6BFF."
  • "Generate a cyberpunk dark theme with matching dark mode."
  • "Preview the CSS before writing a file."
  • "Review this generated theme and fix token coverage."

Key References

  • docs/workflow.md
  • docs/palette-guidance.md
  • docs/final-output-style.md
  • docs/validation-checklist.md
  • examples.md
  • docs/token-reference.md

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

Frequently asked questions

What does the Preline Theme Generator AI skill do?

Generate, preview, save, or validate Preline theme CSS using the bundled local generator in this skill. Use when the user asks to create a new Preline theme, match a brand color, translate a mood into a theme, generate light and dark theme CSS, preview theme output without writing files, or review and fix generated theme tokens. Do not use for generic non-Preline CSS work or arbitrary command execution.

Why use Preline Theme Generator on TypingMind?

Because you install it once and use it with any model. Preline Theme Generator is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Preline Theme Generator in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/htmlstreamofficial/preline/tree/main/skills/theme-generator. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Preline Theme Generator?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Preline Theme Generator?

As many as you like. As long as a model supports skills, you can use Preline Theme Generator with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Preline Theme Generator AI skill free?

It is published on GitHub by htmlstreamofficial. Check the repository for licensing terms. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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