Claude Opus 4 7 - Claude Code Blog

Ultrareview (/ultrareview) runs a multi-agent cloud review of your current branch or a GitHub PR — parallel specialists reviewing security, architecture, correctness, and style. Here's what it is, how to run it, and when to reach for it.

The complete Claude Code cheat sheet for 2026. Every slash command, keyboard shortcut, CLI flag, hook event, and MCP setup step in one page — copy-paste ready, updated for Opus 4.7 and the 1M token context window.

Anthropic Labs just launched Claude Design — a new research preview that turns prompts into prototypes, slides, and one-pagers, powered by Opus 4.7. Here's what it is, how it works, and how to use it alongside Claude Code for real design workflows.