CLAUDE_CODE_SKIP_PROMPT_HISTORY— Disables saving CLI input to prompt historyCLAUDE_LOCAL_OAUTH_API_BASE— Sets a local OAuth API base URL for developmentCLAUDE_SDK_CAN_USE_TOOL_SHADOWED— Allows SDK tool shadowingCLAUDE_CODE_MOCK_REMOTE_SETTINGS— Mocks remote settings responses (development/testing)CLAUDE_CODE_REMOTE_SETTINGS_PATH— Path to a local file providing remote settings overridesCLAUDE_CODE_CLIENT_KEY_PASSPHRASE— Passphrase for the mTLS client keyCLAUDE_CODE_CUSTOM_OAUTH_URL— Override the OAuth endpoint URLCLAUDE_CODE_ENABLE_PROXY_AUTH_HELPER— Enables the proxy authentication helperCLAUDE_CODE_PROXY_AUTH_HELPER_TTL_MS— TTL for proxy auth helper tokens in millisecondsCLAUDE_CODE_PROXY_RESOLVES_HOSTS— Signals that the proxy resolves hostnames (affects DNS behavior)
EntryKind: in v2.1.198,
New Environment VariablesSection of the release