Prompt Fatigue is a 100% local tool. It makes zero network calls.

• Reads: ~/.claude/history.jsonl (read-only, never modified)
• Writes: data/scores.db (local SQLite database with prompt previews -- first 100 characters of each prompt)
• Caches: /tmp/claude-fatigue-status (statusline cache, auto-expires)

Your prompt history never leaves your machine.

If you find a security issue, please open a GitHub issue or email the maintainers directly. Since this is a local-only tool, most security concerns would be around:

• Unintended data exposure in the SQLite database
• Path traversal in history file reading
• Script injection via prompt content