Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
SkillsArea: what it touches
Internal ChangesKind: in v2.1.312,
Internal ChangesSection of the release
Unclear It is not known which built-in skills, if any, were removed or merged.
What
A skill is a packaged set of instructions Claude can load when a task needs them. Claude Code ships with some built-in skills. The startup code that registers them used to make several separate calls, and it now makes one.
The environment variables that turn particular built-in skills off still work as before:
