Ck:Preview

Community

manhvann

ck:preview

View files/directories OR generate visual explanations, slides, diagrams.

Overview

Publisher	manhvann
Repository	`codexkit`
Skill name	`ck:preview`
Stars	88
Forks	81
Bundled files	2
License	MIT
Links	Skill source Repository

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.
2 bundled files
Scripts, templates, and references the model can read while it works. Files are read-only and never executed.
Open source
Published by manhvann on GitHub. Read the source before you install it.

Installation

Install the Ck:Preview AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

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.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/manhvann/codexkit/tree/main/.agents/skills/preview
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.

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/manhvann/codexkit.git /tmp/codexkit
mkdir -p .claude/skills
cp -r /tmp/codexkit/.agents/skills/preview .claude/skills/manhvann-ck-preview

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Ck:Preview 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 Ck:Preview 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 Ck:Preview 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.

Preview

Universal viewer + visual generator. View existing content OR generate new visual explanations.

Default (No Arguments)

If invoked without arguments, ask the user to choose available preview operations:

Operation	Description
`(view)`	View a file or directory
`--explain`	Generate visual explanation
`--slides`	Generate presentation slides
`--diagram`	Generate architecture diagram
`--ascii`	Terminal-friendly diagram
`--stop`	Stop preview server

Present options with header "Preview Operation", question "What would you like to do?".

Usage

View Mode

$preview <file.md> - View markdown file in novel-reader UI
$preview <directory/> - Browse directory contents
$preview --stop - Stop running server

Generation Mode

$preview --explain <topic> - Generate visual explanation (ASCII + Mermaid + prose)
$preview --slides <topic> - Generate presentation slides (one concept per slide)
$preview --diagram <topic> - Generate focused diagram (ASCII + Mermaid)
$preview --ascii <topic> - Generate ASCII-only diagram (terminal-friendly)

Argument Resolution

When processing arguments, follow this priority order:

--stop → Stop server (exit)
Generation flags (--explain, --slides, --diagram, --ascii) → Generation mode. Load references/generation-modes.md
Resolve path from argument:
- If argument is an explicit path → use directly
- If argument is a contextual reference → resolve from recent conversation context
Resolved path exists on filesystem → View mode. Load references/view-mode.md
Path doesn't exist or can't resolve → Ask user to clarify

Topic-to-slug conversion:

Lowercase the topic
Replace spaces/special chars with hyphens
Remove non-alphanumeric except hyphens
Collapse multiple hyphens → single hyphen
Trim leading/trailing hyphens
Max 80 chars - truncate at word boundary if longer

Multiple flags: If multiple generation flags provided, use first one; remaining treated as topic.

Placeholder {topic}: Replaced with original user input in title case (not the slug).

Error Handling

Error	Action
Invalid topic (empty)	Ask user to provide a topic
Flag without topic	Ask user: "Please provide a topic: `$preview --explain <topic>`"
Topic becomes empty after sanitization	Ask for topic with alphanumeric characters
File write failure	Report error, suggest checking permissions
Server startup failure	Check if port in use, try `$preview --stop` first
No generation flag + unresolvable reference	Ask user to clarify which file they meant
Existing file at output path	Overwrite with new content (no prompt)
Server already running	Reuse existing server instance, just open new URL
Parent `plans/` dir missing	Create directories recursively before write

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 Ck:Preview AI skill do?

View files/directories OR generate visual explanations, slides, diagrams.

Why use Ck:Preview on TypingMind?

Because you install it once and use it with any model. Ck:Preview 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 Ck:Preview in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/manhvann/codexkit/tree/main/.agents/skills/preview. 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 Ck:Preview?

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 Ck:Preview?

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

Is the Ck:Preview AI skill free?

Yes. It is published on GitHub by manhvann under the MIT license. 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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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Preview

Default (No Arguments)

Usage

View Mode

Generation Mode

Argument Resolution

Error Handling

Bundled files

Frequently asked questions

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