Summary

This repository curates Claude Skills, specialized folders enabling repeatable task execution and workflow customization for Claude AI. It targets developers and power users seeking to enhance Claude's capabilities beyond standard prompting, offering a structured approach to integrating custom logic and external resources.

How It Works

Claude Skills are self-contained directories comprising instructions, scripts, and resources that teach Claude specific tasks. They are designed for efficient, on-demand loading, consuming minimal tokens until activated, thereby preserving Claude's performance. This composable architecture allows Claude to automatically identify and stack relevant skills for complex workflows, ensuring portability across Claude.ai, Claude Code CLI, and the Claude API.

Quick Start & Requirements

• Installation:
  • Claude Desktop CLI: /plugin marketplace add anthropics/skills
  • Claude.ai Web Interface: Navigate to Settings > Capabilities and enable the Skills toggle.
  • Claude API: Integrate via the /v1/skills endpoint.
• Prerequisites: Requires a Claude Pro, Max, Team, or Enterprise subscription.
• Resources: Official documentation and guides are available on the Claude developer platform.

Highlighted Details

• Official Skills: Includes robust tools for document manipulation (docx, pdf, pptx, xlsx), creative generation (algorithmic-art, canvas-design), and development workflows (artifacts-builder, webapp-testing).
• Skill Creation: Supports guided creation via the skill-creator tool or manual development using a defined folder structure (SKILL.md, scripts/, resources/).
• Composability & Portability: Skills automatically stack for complex tasks and maintain a consistent format across Claude.ai, Code CLI, and API environments.
• Efficiency: On-demand loading minimizes token usage (30-50 tokens initially).
• Code Execution: Skills can incorporate executable scripts for tasks requiring deterministic logic.

Maintenance & Community

The project is actively maintained by Anthropic, with the official anthropics/skills repository serving as the primary source. Community contributions are encouraged, exemplified by the obra/superpowers core skills library and tools like yusufkaraaslan/Skill_Seekers for converting documentation into skills. Recent updates in October 2025 highlight emerging community repositories and practical tutorials.

Licensing & Compatibility

The repository itself, being a curated list, does not specify a license. Users should consult the licenses of individual skills or underlying Anthropic components. The ability of skills to execute arbitrary code necessitates careful consideration for integration into secure or closed-source environments.

Limitations & Caveats

Skills can execute arbitrary code, posing security risks; installation requires vetting trusted sources and reviewing scripts. Enterprise users on claude.ai currently lack centralized admin management for custom skills. A known Linux path bug exists in the Agent SDK (Issue #268), requiring manual path specification as a workaround. Free tier users cannot access Skills. Some community skills are not verified.