Claude Code v2.1.178 Release: New Tool Parameter Syntax & Nested Skill Loading

Core summary

One sentence to understand this update

Anthropic has released Claude Code v2.1.178, introducing new Tool(param:value) syntax for permission rules and enabling loading skills from nested .claude/skills directories.

Impact & opportunity

What this could mean

Builders can now create more granular permission rules for tool parameters and organize their Claude skills more effectively with nested directories.