Getting Started

This guide will help you install Context Engineering Kit to your Claude Code and start using plugins.

Prerequisites

Before you begin, ensure you have:

Claude Code installed - The official CLI tool from Anthropic

Quick Start

Step 1: Add the Marketplace

First, launch Claude Code:

claude

Then add the Context Engineering Kit marketplace to make all plugins available:

/plugin marketplace add NeoLabHQ/context-engineering-kit

What happens:

  • The marketplace metadata is downloaded and cached locally

  • All available plugins become visible in your plugin list

  • No plugins are installed yet - this only makes them available

  • No agents, commands, or skills are loaded - your context remains clean

Verify it worked:

/plugin

You should see a list of available plugins from the marketplace, including reflexion, code-review, git, sdd, and others.

Step 2: Install Your First Plugin

We recommend starting with the Reflexion plugin - it introduces feedback and refinement loops commands.

/plugin install reflexion@NeoLabHQ/context-engineering-kit

What happens:

  • The Reflexion plugin is installed in your Claude Code environment

  • Three new commands become available: /reflexion:reflect, /reflexion:memorize, /reflexion:critique

  • Plugin-specific skills and agents are loaded into Claude's context in future sessions

Step 3: Use Your First Command

Now let's see Reflexion in action. Restart Claude Code and ask Claude to help with something:

Suggest how to improve the error handling in this project

Claude will provide an initial response. Now, use Reflexion to ask it to reiterate on output:

/reflexion:reflect

What happens: Claude reviews its previous response using self-refinement techniques, identifies areas for improvement, and generates an enhanced version with deeper analysis.

Expected result: Claude will analyze its previous response critically, identify specific improvements (e.g., "I should have considered error propagation patterns"), and provide an enhanced response with more detail and better recommendations.

Try the memorize command:

/reflexion:memorize

What happens: Claude identifies key learnings from the interaction, updates your project's CLAUDE.md file with curated insights, and builds a knowledge base that future Claude sessions can leverage.

What's Next?

Viewing Available Plugins

List all plugins available in the marketplace:

/plugin

This displays installed plugins and available plugins with their descriptions.

Installing Plugins

Install a specific plugin from the marketplace:

# Syntax
/plugin install <plugin-name>@NeoLabHQ/context-engineering-kit

# Examples
/plugin install reflexion@NeoLabHQ/context-engineering-kit
/plugin install code-review@NeoLabHQ/context-engineering-kit
/plugin install sdd@NeoLabHQ/context-engineering-kit

Learn More About Available Plugins

Explore the full plugin catalog to find tools that match your workflow.

Popular plugins to explore next:

  • Code Review - Multi-agent code review with specialized reviewers (security, bugs, quality, tests)

  • Git - Streamlined Git workflows, commit creation, PR management

  • Spec-Driven Development - Complete 6-stage workflow from specification to documentation

  • Test-Driven Development - TDD best practices and anti-pattern detection

  • Kaizen - Root cause analysis using Five Whys, Fishbone diagrams, PDCA cycles

Understand Core Concepts

Deepen your understanding of how the marketplace works:

Welcome to better AI-assisted development with Context Engineering Kit!

Keep Your Marketplace Updated

Periodically refresh the marketplace to get the latest plugins and updates:

/plugin marketplace update NeoLabHQ/context-engineering-kit

Removing Plugins

To remove a plugin and free up context:

/plugin uninstall <plugin-name>

This removes the plugin's commands, skills, and agents from Claude's context.

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