Claude Code v2.1.42 ·
Agent Frontmatter Validation
EntryKind: in v2.1.42,
ChangesSection of the release
What
Improved error message for agent files missing required frontmatter.
Change: Now specifically mentions 'description' in the error message rather than generic field name.
Evidence
Agent validation (search for "is missing required 'description' in frontmatter")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
See this entry in the whole of v2.1.42 →
