Research · MarkTechPost ·
Microsoft’s SkillOpt Shows Optimized Agent Skill Artifacts Transfer Across Model Scales and Between Codex and Claude Code Harnesses
Microsoft reports that a SkillOpt-generated skill for SpreadsheetBench transferred from Codex to Claude Code, raising performance from 22.1 to 81.8 versus 80.4 for Claude Code’s own trained skill. Transfer varied by task, with 102% retention on spreadsheets and 10% on math.