Claude Code v2.1.287 Release: Introducing Mods and "You should know" Agent

Core summary

One sentence to understand this update

The latest Claude Code release, v2.1.287, introduces "Claude Mods" for deeper behavior modification and a "You should know" side agent that flags potential misses.

Impact & opportunity

What this could mean

Builders can now extend Claude's capabilities with custom mods and benefit from an AI assistant that proactively identifies critical information or potential issues.