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Claude Code 2.1.160 Update

·2026.06.04 03:34

Key point

The Claude Code system prompt 2.1.160 update added a React design system sync feature.

Details

Key Updates

  • Added /design-sync skill: A feature for syncing React design systems to claude.ai/design has been introduced. It supports project selection, deterministic converter configuration, Storybook or package builds, validation, and incremental uploads.
  • Added DesignSync tool description: A tool description has been added for creating design system projects, uploading/deleting files, registering preview assets, and handling remote file content.

Prompt and Workflow Improvements

  • Optimized /code-review prompt: The existing complex 3-stage verification (CONFIRMED, PLAUSIBLE, REFUTED) approach has been removed, and the prompt has been simplified to focus on line-by-line diff scanning, improving efficiency.
  • Updated Bash and Workflow tools: Configurable prefixes are now supported for Git commits and PR creation, and the guide has been revised to explicitly use the ultracode keyword when running workflows.
system-promptclaude-codereactdesign-systemai-developer-tools
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