{"version":"2.1.198","anchor":"new-environment-variables","canonical_anchor":"new-environment-variables","heading":"","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.198\/e\/new-environment-variables","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.198","markdown":"- `CLAUDE_CODE_SKIP_PROMPT_HISTORY` \u2014 Disables saving CLI input to prompt history\n- `CLAUDE_LOCAL_OAUTH_API_BASE` \u2014 Sets a local OAuth API base URL for development\n- `CLAUDE_SDK_CAN_USE_TOOL_SHADOWED` \u2014 Allows SDK tool shadowing\n- `CLAUDE_CODE_MOCK_REMOTE_SETTINGS` \u2014 Mocks remote settings responses (development\/testing)\n- `CLAUDE_CODE_REMOTE_SETTINGS_PATH` \u2014 Path to a local file providing remote settings overrides\n- `CLAUDE_CODE_CLIENT_KEY_PASSPHRASE` \u2014 Passphrase for the mTLS client key\n- `CLAUDE_CODE_CUSTOM_OAUTH_URL` \u2014 Override the OAuth endpoint URL\n- `CLAUDE_CODE_ENABLE_PROXY_AUTH_HELPER` \u2014 Enables the proxy authentication helper\n- `CLAUDE_CODE_PROXY_AUTH_HELPER_TTL_MS` \u2014 TTL for proxy auth helper tokens in milliseconds\n- `CLAUDE_CODE_PROXY_RESOLVES_HOSTS` \u2014 Signals that the proxy resolves hostnames (affects DNS behavior)"}