[GitHub Trending] anthropics/skills
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Anthropic's Agent Skills repository, directly relevant and highly actionable.
Anthropic's open-source skills repository (anthropics/skills) provides self-contained folders with SKILL.md files (YAML frontmatter + instructions) that Claude loads dynamically for specialized tasks—from creative to enterprise workflows. The repo includes a spec (agentskills.io), a template, and example skills; document creation skills (docx, pdf, pptx, xlsx) are source-available, not open source. Skills integrate via Claude Code's plugin marketplace (/plugin install), Claude.ai, or the API, enabling repeatable task automation with custom instructions.
Use the SKILL.md template and plugin marketplace to package domain-specific instructions as reusable skills for Claude agents.
For a senior engineer building agent orchestration, this offers a concrete, extensible pattern for defining reusable agent behaviors—directly applicable to customizing Claude in production workflows.