Claude Code can run commands and modify files, so the permissions available to it should match the level of trust required for the task. Routine read, search, build, and test operations are usually lower risk than commands that delete data, change infrastructure, or publish software. Never place passwords, private keys, API tokens, or other secrets in prompts, documentation, or source files. Use environment variables and proper secret-management systems instead of copying credentials into the project. When a command is unfamiliar or destructive, inspect what it does before allowing it to run.
For production or irreversible operations, keep a human approval step rather than allowing the AI to make the final decision automatically. These controls let Claude Code automate low-risk repetitive work while the developer keeps control over high-impact actions. Safe automation is more valuable than unrestricted automation because one wrong command can cost far more time than it saves.

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