Microsoft's .NET team open-sources 16 benchmarked agent skills, 41% fewer tokens on Sonnet 5
victor_explore · x · 2026-11-13
Microsoft's .NET team open-sourced the dotnet/skills repository (MIT, 6.1k stars) with 16 skill plugins for AI coding agents including Claude Code, Codex, Copilot, and Cursor.
- Every skill is benchmarked against a no-skill baseline, with a public Skills Evaluation Dashboard tracking tokens delta, time delta, and reliability.
- csharp-expert on claude-sonnet-5: 41% fewer tokens (129.1k→75.8k) and 73% faster (41.0s→11.0s).
- The dashboard explicitly flags which skills are worth installing and which show no clear result — a rare data-backed contribution to the mostly untested 'skills' ecosystem.
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