ClaudeDevs (@ClaudeDevs) / X

You can now mod Claude Code: - Change how it behaves - Customize the UI - Swap in your own features Write one with a few lines of TypeScript, or have Claude build it for you. Mods ship inside plugins, so you install them with /plugin in the CLI or desktop app. A few examples:

00:00

Claude.dev is our new home for developers building with Claude. You'll find engineering deep dives, Claude Code and API guides, tips from the teams building Claude, and some fun easter eggs.

00:00

Claude Sonnet 5.5 is out! We wrote a guide for building with it: • choosing between Sonnet 5.5 and Opus 5.5 • migrating from Sonnet 5 and tuning effort • using it in Claude Code claude.dev/blog/building-…

00:00

Readers added context they thought people might want to knowReaders added context

The reference photograph shown in this video was originally posted by @IceSolst. The photographer stated it was used without credit or permission. x.com/IceSolst/statu… x.com/IceSolst/statu…

Context is written by people who use X, and appears when rated helpful by others. Find out more.

Claude can now help you build evaluations and hillclimb on them. In this article, we share guidance on eval design & skills that Claude Code can use to improve your applications.

Automating eval design and hillclimbing with Claude / claude.dev Blog

Sonnet 5.5 is smarter, more efficient, and 30% faster than Sonnet 5. It costs up to 30% less for most work, so your Claude Code usage goes further too. Use it for well-scoped everyday tasks like fixing bugs and quickly iterating on features.

00:00

Claude

@claudeai

Sep 28

00:13

Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work.

157