Kanner's Agent Skills

A curated collection of Claude Agent Skills designed to enhance AI workflows with specialized capabilities.

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🎯 Available Skills

🚀 Prompt Optimizer

Transforms user-provided prompts into high-quality, clear, and effective instructions optimized for AI models.

Key Features:

• Systematic prompt analysis and optimization
• Applies comprehensive prompt engineering best practices
• Enhances clarity, specificity, and structure
• Improves AI model understanding and execution

When to Use: When you need to refine vague, unclear, or poorly structured prompts into effective instructions.

Location: prompt-optimizer/

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🌐 Jta (JSON Translation Agent)

AI-powered JSON internationalization file translator with agentic reflection mechanism for high-quality multilingual content.

Source: This skill is based on the open-source Jta project
Requirements: Requires the jta CLI tool to be installed (the skill can auto-install it)

Key Features:

• Agentic Translation: AI translates, evaluates, and improves its own work (3x API calls per batch)
• Smart Terminology: Automatically detects and maintains consistent terms
• Format Protection: Preserves {variables}, {{placeholders}}, HTML tags, URLs, Markdown
• Incremental Mode: Only translates new/changed content (saves 80-90% API cost)
• 27 Languages: Including RTL languages (Arabic, Hebrew, Persian, Urdu)

When to Use: When you need to translate JSON i18n/locale files, add new languages, or update existing translations.

Location: jta/

Additional Setup:

• The skill will automatically check and install the jta CLI tool if needed
• Requires an API key from OpenAI, Anthropic, or Google Gemini
• See the Jta documentation for detailed setup instructions
• For skill-specific documentation, visit Jta Agent Skills Guide

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📦 Installation

Method 1: Plugin Marketplace via Command Line (Recommended)

The easiest way to install in Claude Code:

# Step 1: Add the marketplace
/plugin marketplace add hikanner/agent-skills

# Step 2: Install the skills you need
/plugin install prompt-optimizer@kanner-agent-skills
/plugin install jta@kanner-agent-skills

# Step 3: Restart Claude Code to activate the skills

To browse available plugins interactively:

/plugin

Method 2: Team Configuration (Automatic Installation)

For team projects, configure the marketplace in your project's .claude/settings.json:

{
  "extraKnownMarketplaces": {
    "kanner-agent-skills": {
      "source": {
        "source": "github",
        "repo": "hikanner/agent-skills"
      }
    }
  },
  "enabledPlugins": {
    "prompt-optimizer@kanner-agent-skills": true,
    "jta@kanner-agent-skills": true
  }
}

When team members trust the repository folder, Claude Code automatically:

• Installs the specified marketplace
• Installs and enables the configured plugins
• No manual installation needed!

Method 3: Local Development

For testing local changes before publishing:

# Step 1: Clone the repository
git clone https://github.com/hikanner/agent-skills.git
cd agent-skills

# Step 2: Add as local marketplace
/plugin marketplace add ./

# Step 3: Install plugins
/plugin install prompt-optimizer@kanner-agent-skills
/plugin install jta@kanner-agent-skills

Method 4: Direct File Installation

For Individual Users (Global Skills)

Copy skills to your Claude skills directory:

# Clone the repository
git clone https://github.com/hikanner/agent-skills.git

# Copy specific skills
cp -r agent-skills/prompt-optimizer ~/.claude/skills/
cp -r agent-skills/jta ~/.claude/skills/

# Or use symbolic links (recommended for development)
ln -s $(pwd)/agent-skills/prompt-optimizer ~/.claude/skills/prompt-optimizer
ln -s $(pwd)/agent-skills/jta ~/.claude/skills/jta

Skills will be available across all your projects.

For Project Teams (Project Skills)

Add skills to your project's .claude/skills/ directory:

# In your project root
mkdir -p .claude/skills

# Copy the skills you need
cp -r /path/to/agent-skills/prompt-optimizer .claude/skills/
cp -r /path/to/agent-skills/jta .claude/skills/

# Commit to version control
git add .claude/skills
git commit -m "feat: add agent skills for team"

Team members automatically get the skills when they clone the repository - no additional installation needed!

Method 4: Claude.ai Upload

For use in Claude.ai web interface:

1. Download skills as ZIP files:

   cd agent-skills
   zip -r prompt-optimizer.zip prompt-optimizer/
   zip -r jta.zip jta/

2. In Claude.ai:

   • Go to Settings → Features
   • Click Upload Skill
   • Select the ZIP file
   • Enable the skill

Method 5: API Usage

For API users, upload skills to your workspace:

from anthropic import Anthropic

client = Anthropic()

# Upload skill
with open("prompt-optimizer.zip", "rb") as f:
    skill = client.beta.skills.create(
        skill_file=f,
        betas=["skills-2025-10-02"]
    )

print(f"Skill ID: {skill.id}")

Then use in your API calls:

response = client.beta.messages.create(
    model="claude-sonnet-4-5-20250929",
    max_tokens=4096,
    betas=["code-execution-2025-08-25", "skills-2025-10-02"],
    container={
        "skills": [
            {"type": "workspace", "skill_id": skill.id, "version": "latest"}
        ]
    },
    tools=[{"type": "code_execution_20250825", "name": "code_execution"}],
    messages=[{"role": "user", "content": "Your request"}]
)

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🔄 Managing Installed Skills

In Claude Code

Use the /plugin command to manage installed skills:

# Get help on available plugin commands
/plugin help

# Common operations (verify with /plugin help for your version)
/plugin list              # List installed plugins
/plugin install <name>    # Install a plugin
/plugin uninstall <name>  # Uninstall a plugin

Note: The exact commands and options may vary by Claude Code version. Always use /plugin help to see the most current commands for your installation.

Check Available Skills

In any Claude Code conversation:

"What skills are available?"

or

"List all available skills"

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🚀 Quick Start

Using Prompt Optimizer

Simply ask Claude:

"Can you help optimize this prompt for better results?"

or

"I need to improve this instruction: [your prompt]"

Using JTA

For basic translation:

"Translate my locales/en.json to Chinese, Japanese, and Korean"

For incremental updates:

"I added 5 new keys to en.json, please update the translations"

For CI/CD setup:

"Set up automatic translation in GitHub Actions"

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📖 Documentation

What are Agent Skills?

Agent Skills are modular capabilities that extend what AI agents can do. They consist of instructions, scripts, and resources that help agents perform specialized tasks autonomously.

Skill Structure

Each skill in this repository follows the standard Agent Skills format:

skill-name/
├── SKILL.md          # Core skill definition and instructions
├── LICENSE.txt       # Apache 2.0 license
├── examples/         # (Optional) Step-by-step use cases
├── scripts/          # (Optional) Helper scripts
└── references/       # (Optional) Additional documentation

Related Resources

• 📚 Agent Skills Documentation
• 💡 Agent Skills Best Practices
• 🔧 Creating Custom Skills

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🤝 Contributing

Contributions are welcome! If you have ideas for new skills or improvements to existing ones:

1. Fork this repository
2. Create a feature branch (git checkout -b feature/new-skill)
3. Commit your changes (git commit -m 'feat: add new skill')
4. Push to the branch (git push origin feature/new-skill)
5. Open a Pull Request

Guidelines

• Follow the Agent Skills specification
• Include clear documentation in SKILL.md
• Add examples when applicable
• Test thoroughly before submitting

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📜 License

This project is licensed under the Apache License 2.0 - see the LICENSE file for details.

Each skill includes a copy of the license in its directory (LICENSE.txt).

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🙏 Acknowledgments

• Anthropic for creating Claude and the Agent Skills framework
• The open-source community for inspiration and contributions

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📧 Contact

Kanner
📧 Email: kanner.chen@gmail.com

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Made for the Agent Skills ecosystem

Enabling AI agents to handle specialized tasks automatically.