ClaudeCodeChanges

New version Docs only
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Claude docs changes for February 5th, 2026 [diff]

Executive Summary

  • Chrome integration documentation restructured with improved clarity, Windows-specific troubleshooting, and tab-sharing behavior
  • 100+ new MCP server integrations added including Circleback, Day AI, Linear, Netlify, Asana, Atlassian, Notion, and Slack
  • New prefersReducedMotion accessibility setting and @browser integration for VS Code documented

Claude Code changes

Changed documents

Best practices [Source]

  • Clarified that the Claude in Chrome extension "opens new tabs in your browser" rather than just "opens a browser". [line 29] [Source]

Use Claude Code with Chrome (beta) [Source]

  • Major restructuring and expansion of Chrome integration documentation with improved clarity throughout
  • Added explicit note that Chrome opens new tabs for browser tasks and shares browser's login state. [lines 4-5] [Source]
  • Simplified capabilities list and removed "How the integration works" and "Set up the integration" sections
  • Clarified that a "direct Anthropic plan" is required (not third-party providers). [line 29] [Source]
  • Streamlined "Get started in the CLI" section with clearer instructions. [lines 32-75] [Source]
  • Added new section on Windows-specific issues and common error messages. [lines 220-233] [Source]
  • Updated troubleshooting section with more detailed instructions for native messaging host installation. [lines 203-210] [Source]

IDE integrations (VS Code & JetBrains) [Source]

  • Clarified that Shift+Enter for multi-line input also works in the "Other" free-text input of question dialogs. [line 68] [Source]
  • Added note about reading specific pages from large PDFs (single page, ranges, or open-ended). [line 83] [Source]
  • Added new section "Automate browser tasks with Chrome" with instructions for using @browser in VS Code. [lines 173-188] [Source]

Overview (Claude Code) [Source]

  • Added note about Claude Code running in multiple platforms (VS Code, JetBrains, desktop app, web, Slack). [line 82] [Source]
  • Updated "Why developers love Claude Code" to say "Meets you where you work" instead of "Works in your terminal". [line 93] [Source]

Interactive mode [Source]

  • Added new /debug [description] command for troubleshooting the current session by reading the session debug log. [line 81] [Source]
  • Clarified that /model changes take effect immediately without waiting for the current response to finish. [line 89] [Source]

MCP (Model Context Protocol) [Source]

  • Added 100+ new MCP server integrations including Circleback, Day AI, bioRxiv, Linear, Netlify, Asana, Atlassian, Notion, Slack, Stripe, and many more. [lines 25-620] [Source]
  • Added new section "Use pre-configured OAuth credentials" for MCP servers that don't support automatic OAuth setup. [lines 1043-1109] [Source]
  • Updated "Add MCP servers from JSON configuration" section with example for pre-configured OAuth credentials. [line 1135] [Source]

Settings [Source]

  • Added new prefersReducedMotion setting to reduce or disable UI animations for accessibility. [line 172] [Source]
  • Added two new environment variables: MCP_CLIENT_SECRET for OAuth client secrets and MCP_OAUTH_CALLBACK_PORT for fixed OAuth redirect callback ports. [lines 886-887] [Source]

Sub-agents [Source]

  • Added new memory field to enable persistent memory for subagents across conversations. [line 223] [Source]
  • Added new section "Enable persistent memory" explaining memory scopes (user, project, local) and how to configure them. [lines 295-343] [Source]

Use Claude Code in VS Code [Source]

  • Clarified that Shift+Enter for multi-line input also works in the "Other" free-text input of question dialogs. [line 68] [Source]
  • Added note about reading specific pages from large PDFs. [line 83] [Source]
  • Added new section "Automate browser tasks with Chrome" with instructions for using @browser in VS Code. [lines 173-188] [Source]

API changes

Changed documents

Agent SDK Overview [Source]

  • Reorganized "Get started" section to appear earlier in the document, before "Capabilities". [lines 33-94] [Source]
  • Removed the "Install Claude Code" step from the getting started guide - SDK no longer requires Claude Code CLI installation. [line 33] [Source]

Agent SDK Quickstart [Source]

  • Removed the "Install Claude Code" step entirely - Agent SDK no longer requires Claude Code CLI to be installed. [line 22] [Source]
  • Simplified API key setup instructions, removing references to Claude Code authentication. [lines 52-66] [Source]
  • Updated troubleshooting section to remove "Claude Code not found" error reference. [line 160] [Source]

Agent SDK User input [Source]

  • Removed the 60-second timeout limitation for canUseTool callbacks. [lines 32, 445]

Build with Claude - Overview [Source]

  • Updated Structured outputs availability: now generally available on Amazon Bedrock (was Beta). [line 23] [Source]

Extended thinking [Source]

Files [Source]

MCP Connector [Source]

  • Added new section "Client-side MCP helpers (TypeScript)" with helper functions for converting between MCP types and Claude API types. [lines 370-477] [Source]
  • Documented four new helper functions: mcpTools, mcpMessages, mcpResourceToContent, and mcpResourceToFile. [lines 398-404] [Source]

Structured outputs [Source]

  • Updated availability status: Structured outputs are now generally available on Amazon Bedrock (no longer in beta). [line 12] [Source]