An opinionated collection of Claude Code Agent Skills for development, data analysis, productivity, and security workflows
npx claudepluginhub nibzard/skillsAn opinionated collection of Agent Skills I use daily in my work.
Not a marketplace—a toolkit. These are skills I've built and curated for my own workflows with Claude Code. If they're useful to you too, great.
# Add the kit
/plugin marketplace add nibzard/skills-kit
# Install a skill
/plugin install yt-transcript@skills-kit
| Skill | What it does |
|---|---|
| marimo | Reactive Python notebooks for data analysis, dashboards, and interactive apps |
| Skill | What it does |
|---|---|
| yt-transcript | Fetch YouTube video transcripts for analysis and summarization |
| brand-illustrator | Generate Builder Methods-style line art illustrations with accent colors |
| Skill | What it does |
|---|---|
| claude-thread-publisher | Publish Claude Code conversations as shareable HTML via GitHub Gists |
| tmux | Test interactive CLI/TUI applications end-to-end using tmux sessions |
| Skill | What it does |
|---|---|
| release-runbook | Universal release workflow: detect project type, test, bump, tag, push |
| skill-creator | Create new Agent Skills from templates or interactively |
| Skill | What it does |
|---|---|
| pentest-toolkit | Authorized security testing and vulnerability assessment tools |
Agent Skills are how Claude Code extends its capabilities—model-invoked, context-aware, and progressively loaded. I built this collection because:
If you're looking for a public marketplace with community contributions, this isn't it. If you want tools that have been battle-tested in real work, read on.
/plugin marketplace add nibzard/skills-kit
# YouTube transcripts
/plugin install yt-transcript@skills-kit
# Publish conversations
/plugin install claude-thread-publisher@skills-kit
# Run releases
/plugin install release-runbook@skills-kit
// .claude/settings.json
{
"enabledPlugins": [
"marimo@skills-kit",
"yt-transcript@skills-kit",
"claude-thread-publisher@skills-kit",
"tmux@skills-kit",
"release-runbook@skills-kit"
]
}
This is a personal toolkit, but I accept quality PRs that align with the collection's scope:
Before contributing, check that your skill isn't better suited as a standalone plugin or separate marketplace.
skills-kit/
├── .claude-plugin/
│ └── marketplace.json # Kit manifest
├── skills/
│ ├── marimo/ # Reactive notebooks
│ ├── yt-transcript/ # YouTube transcripts
│ ├── claude-thread-publisher/ # Share conversations
│ ├── tmux/ # TUI testing
│ ├── release-runbook/ # Release automation
│ ├── skill-creator/ # Skill scaffolding
│ ├── pentest-toolkit/ # Security tools
│ └── brand-illustrator/ # Illustration generation
├── docs/ # Additional docs
└── README.md
Agent Skills extend Claude Code through organized folders containing instructions, scripts, and resources. Unlike traditional commands, Skills are model-invoked—Claude decides when to use them based on your request and the skill's description.
Key characteristics:
MIT — see LICENSE. Individual skills may have their own licenses.
nibzard · Issues · Discussion
Create, edit, and deploy reactive Python notebooks with marimo. Use when working with data analysis, interactive visualizations, web app development, or when you need reproducible computational notebooks.
Publish Claude Code conversation threads as static HTML pages hosted on GitHub Gists, with shareable gistpreview permalinks. Use when you want to share, export, or archive Claude Code conversations.
Generate Builder Methods hand-drawn line art illustrations (icons, scenes, periphery) with a single accent color (Coral/Teal/Indigo/Amber). Use for blog headers, thumbnails, course graphics, social posts, and on-brand UI/tech metaphors.
AI-Powered Security Testing Toolkit - Comprehensive penetration testing tools for authorized security assessments. Use when conducting professional security testing, vulnerability assessments, or penetration testing on systems you own or have explicit authorization to test.
Create new Agent Skills interactively or from templates. Use when building custom skills, scaffolding new capabilities, or when user mentions creating skills, writing skills, skill templates, or skill development.
Universal release workflow: detect project type, init versioning, run tests, bump version, tag, push, and create GitHub release.
Use tmux to run and test interactive CLI/TUI applications end-to-end. Includes utilities to start sessions, send keys, capture output, and cleanly stop processes.
Fetch transcripts from YouTube videos. Use when user asks to get, download, extract, or retrieve YouTube video transcripts, captions, or subtitles. Also activates for video content analysis, summarizing YouTube videos, or processing video content.
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