#privacy
4 articles
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cleanupPeriodDays: Claude Code deletes transcripts after 30 days by default (minimum 1, 0 is rejected)
Set cleanupPeriodDays in settings.json to control how long plain-text transcripts stay under ~/.claude, what the sweep skips, and CLAUDE_CODE_SKIP_PROMPT_HISTORY=1 to stop writing.
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history.persistence = "none" stops Codex writing chat history; keyring keeps credentials off disk
Two lines in ~/.codex/config.toml: history.persistence = "none" (default save-all) and cli_auth_credentials_store = "keyring" or "ephemeral". What each disables and the trade-offs.
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Gemini CLI free tier: request limits, models, and what happens to your code
The Gemini CLI free tier on a personal Google account: per-minute and per-day request limits, what happens at the limit, how your input is handled, and when to move to an API key.
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Is your code used to train Anthropic's models? Claude Code data usage by plan
Whether Claude Code uses your code for model training depends on your plan and settings. How personal and commercial plans differ, and what to check before using it at work.