Claude Code v2.1.178 released with improved permission rules and skill loading

Core summary

One sentence to understand this update

Claude Code v2.1.178 has been released, adding Tool(param:value) syntax for permission rules to match tool input parameters and enabling skill loading from nested .claude/skills directories.

Impact & opportunity

What this could mean

Developers can achieve more granular control over Claude agent tool permissions and greater flexibility in organizing and loading skills, enabling the creation of more complex and secure AI agent applications.