GitSkills: A Dataset of Agent Skills on GitHub
Quick summary
arXiv:2608.10906v2 Announce Type: replace-cross Abstract: An agent skill is a folder containing a $\mathrm{SKILL.md}$ file with instructions for a language-model agent, optionally accompanied by scripts and reference files. The agent loads the skill when it judges that a task matches the skill description. Anthropic introduced the format in October 2025 as an open specification. Nine months later, public GitHub repositories hold millions of skill files. Skills are unlike the artifacts that software engineering researchers usually mine: they are written mainly in natural language, a model selec
Key takeaways
- arXiv:2608.10906v2 Announce Type: replace-cross Abstract: An agent skill is a folder containing a $\mathrm{SKILL.md}$ file with instructions for a language-model agent, optionally accompanied by scripts and reference files.
- The agent loads the skill when it judges that a task matches the skill description.
- Anthropic introduced the format in October 2025 as an open specification.
Why it matters
This model development creates a new option for users and a new testing obligation for developers. A fixed evaluation set comparing quality, cost and failure behavior is more useful than launch claims.
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