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Claude Code v2.0.23 ·

Additional Protection Mode for API Requests

Entry
JSON All of v2.0.23
EntryKind: in v2.0.23,
ChangesSection of the release

What: Added support for an experimental additional protection mode that can be enabled via environment variable.

How to use:

# Enable additional protection for API requests
export CLAUDE_CODE_ADDITIONAL_PROTECTION=true
claude --prompt "your prompt here"

Details:

  • When enabled, sets the x-anthropic-additional-protection header on API requests
  • This is an experimental security feature that may provide enhanced request validation
  • Only affects requests to Anthropic's API (not Bedrock or Vertex)
  • Evidence: Added at bU() at line 203031-203032 in the API client initialization function

See this entry in the whole of v2.0.23 →

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