Sutras

The developer toolkit for Anthropic Agent Skills.

Sutras Architecture

Sutras helps you create, test, and share skills for Claude. Whether you’re building your first skill or managing a library of them, Sutras handles the tedious parts so you can focus on what your skill does.

Get Started in 30 Seconds

# Install
pip install sutras

# Create your first skill
sutras new my-skill --description "Does something awesome"

# That's it! Your skill is ready at .claude/skills/my-skill/

What Can You Do?

Create Skills - Generate well-structured skills with one command. No more copy-pasting boilerplate.

sutras new pdf-helper

Validate & Test - Catch issues before they cause problems.

sutras validate my-skill
sutras test my-skill

Share Skills - Package and publish skills for others to use.

sutras build my-skill
sutras publish

Install Skills - Grab skills from registries, GitHub, or local files.

sutras install @user/skill-name

Why Sutras?

Building Claude skills manually means writing YAML frontmatter, managing metadata, ensuring consistent structure, and validating everything by hand. Sutras automates all of this with simple commands.

Without Sutras

With Sutras

Create files manually

sutras new my-skill

Check structure by eye

sutras validate my-skill

Copy skills between projects

sutras install @user/skill

Hope tests work

sutras test my-skill

Learn More