AI Briefing
KO

Claude Code 2.1.142 Update

·2026.05.16 00:14

Key point

Claude Code 2.1.142 adds file delivery and agent-related updates.

Details

Claude Code 2.1.142 adds a new SendUserFile tool that exposes generated artifacts to users.

The agent prompt and onboarding flow were also revised.

  • When generating session titles, content is now wrapped in <session> tags to prevent it from being misread as an instruction.
  • /rename automatic session name generation was also changed to be based on <conversation> tags.
  • Managed Agents onboarding now includes guidance for Console URL output.

Documentation and skill changes were also included.

  • Added an Amazon Bedrock documentation source covering related model IDs and feature/region information.
  • The verifier skill was changed to use either TaskCreate or TodoWrite depending on whether the task feature is enabled.
  • The Model migration guide added a Bedrock model IDs section.

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