Claude Code plugin

Claude Skills

67 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pair programmer.

12,200 stars 1,170 forksPlugins & marketplaces Plugin marketplace Source

Install

Inside Claude Code
/plugin marketplace add jeffallan/claude-skills

Found in the project README. Check it for setup steps after installing.

From source
git clone https://github.com/Jeffallan/claude-skills.git

From the README

Quick Start

Then, install the skills:

For all installation methods and first steps, see the Quick Start Guide.

Full documentation: jeffallan.github.io/claude-skills

Skills

67 specialized skills across 12 categories covering languages, backend/frontend frameworks, infrastructure, APIs, testing, DevOps, security, data/ML, and platform specialists.

See Skills Guide for the full list, decision trees, and workflow combinations.

Usage Patterns

Context-Aware Activation

Skills activate automatically based on your request:

Multi-Skill Workflows

Complex tasks combine multiple skills:

Context Engineering

Surface and validate Claude's hidden assumptions about your project with /common-ground. See the Common Ground Guide for full documentation.

Project Workflow

The 9 workflow commands manage epics from discovery through retrospectives, integrating with Jira and Confluence. See Workflow Commands Reference for the full command reference and lifecycle diagrams.

Setup: Workflow commands require an Atlassian MCP server. See the Atlassian MCP Setup Guide.

Documentation

- Quick Start Guide - Installation and first steps
- Skills Guide - Skill reference and decision trees
- Common Ground - Context engineering with /common-ground
- Workflow Commands - Project workflow commands guide
- Atlassian MCP Setup - Atlassian MCP server setup
- Local Development - Local skill development
- Contributing - Contribution guidelines
- skills/\*/SKILL.md - Individual skill documentation
- skills/\*/references/ - Deep-dive reference materials

Contributing

See Contributing for guidelines on adding skills, writing references, and submitting pull requests.

Changelog

See Changelog for full version history and release notes.

License

MIT License - See LICENSE file for details.

Support

-…
Read the full README on GitHub

How plugins work

  • A plugin bundles slash commands, subagents, skills, hooks, MCP servers and status lines so they install together.
  • Add the marketplace inside Claude Code with /plugin marketplace add Jeffallan/claude-skills, then run /plugin to pick what to install.
  • You can turn a plugin off again from /plugin without deleting anything.
Claude Code docs

Details

Language
JavaScript
License
MIT
Last updated
30 October 2026
Topics
ai-agentsclaudeclaude-codeclaude-marketplaceclaude-skills

FAQ

What is Claude Skills?

67 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pair programmer. It is a plugin for Claude Code, from Jeffallan/claude-skills on GitHub.

How do I install Claude Skills?

Run /plugin marketplace add jeffallan/claude-skills inside Claude Code, then follow the setup in the README.

Is Claude Skills popular?

Jeffallan/claude-skills has 12,200 GitHub stars and 1,170 forks, and is included in 1 curated Claude Code list. It was last updated on 30 October 2026.

More plugins & marketplaces

Browse the most popular Claude Code mods, all plugins & marketplaces, or the skills and MCP server directories.