Free Tool

Build Professional
Agent Skills in Seconds

Stop wrestling with structure. Simply describe what you need, drop your files, and this tool creates a production-ready agent skill for you.

Drag and drop reference files, templates, or scripts to attach context

How to build an agent skill

Step 1

Describe your need

Tell what type of skill you want to create. The more specific your description, the better the output.

Step 2

Add Context

Drag and drop existing guidelines, API docs, or code snippets. The tool uses these to ground the skill in your specific reality.

Step 3

Generate & Use

Get a read-to-use skill package in seconds. Download the files and upload them directly into your agent's filesystem.

How to use your agent skills

Maia

Maia

Automatic

All generated skills are immediately available to Maia automatically.

  • Zero Setup: No installation required.
  • Instant Access: New skills are immediately available in all sessions and workflows, including existing and deployed ones.
Claude AI

Claude AI

  • 1 Download the skill using the Download as ZIP button in the dashboard.
  • 2 Go to Settings > Capabilities
  • 3 Enable Code execution
  • 4 Click Upload skill and select your ZIP file
Claude Code

Claude Code

  • 1 Download the skill using the Download as ZIP button in the dashboard.
  • 2 Move the folder to your skills directory:
    mkdir -p ~/.claude/skills/ mv my-skill ~/.claude/skills/
  • 3 Verify installation:
    What Skills are available?
Gemini CLI

Gemini CLI

  • 1 Download the skill using the Download as ZIP button.
  • 2 Install the skill (choose scope):
    Project-specific (Recommended)
    mkdir -p .gemini/skills/ mv my-skill .gemini/skills/
    User-wide (Global)
    mkdir -p ~/.gemini/skills/ mv my-skill ~/.gemini/skills/
  • 3 Verify installation:
    gemini skills list
    Or use /skills list in an interactive session.
OpenAI Codex

OpenAI Codex

  • 1 Download the skill using the Download as ZIP button in the dashboard.
  • 2 Place skill in personal folder:
    ~/.codex/skills/
    Or install via CLI: $skill-installer my-skill
  • 3 Restart Codex to apply changes.
FAQ
What is an Agent Skill? +
An Agent Skill is a structured package of instructions and code that teaches an AI agent how to perform a specific task reliability. It's like installing a new app or plugin for your AI.
Do I need to know how to code? +
Not at all. If you have existing scripts, you can include them, but you don't need to write them from scratch.
Where can I use these generated skills? +
You can use these skills with Maia, Claude AI, Claude Code, and Codex. These platforms read the structured skill files to understand exactly how to handle your business-specific tasks.
How does the tool optimize for tokens? +
The tool structures skills using "Progressive Disclosure". It keeps the main instructions concise (often under 50 tokens) and places heavy details in separate reference files that are only read when absolutely necessary.
Is this tool free? +
Yes, this skill builder is a free tool provided by ModularMind to help the community build better, more reliable agents.
Who owns the data and skills? +
You own the data entirely. We don't train on your data, neither do our base model providers. You can check our privacy policy for details.