An analysis of the GitSkills dataset found that 14.3% of 3.8 million agent skills across 282,200 public GitHub repositories are written in languages other than English, with Chinese the largest at 6.2%. The non-English share of newly created skills rose from 13.0% in Q1 2026 to 16.3% in Q2. Anthropic published the SKILL.md specification in October 2025. The trend persisted under controls for copying and bulk uploads.
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