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skills: Official repository with 173k stars: Instruction folders to enhance Claude's performance

anthropics/skills

·2026.09.02 08:19

A collection of instructions, scripts, and resources designed to help Claude perform specific tasks repeatedly and accurately. It is used to automate complex workflows such as document creation aligned with corporate brand guidelines or organization-specific data analysis.

Beyond simple examples, it includes document generation and editing techniques used in actual production environments. The docx, pdf, pptx, and xlsx subfolders contain source code that supports Claude's document processing capabilities, serving as reference material when designing complex agent skills.

Applicable across Claude Code, Claude.ai, and the API. In Claude Code, you can install via the plugin marketplace or define custom skills by creating a folder containing only a SKILL.md file. It is a mix of examples released under the Apache 2.0 license and open-source document skills.

GitHub
GitHub repository

anthropics/skills

Public repository for Agent Skills

Python

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