claude-code-system-prompts/system-prompts/tool-description-bash-sandbox-tmpdir.md
2026-03-19 14:56:37 -06:00

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For temporary files, always use the $TMPDIR environment variable (or ${SANDBOX_TMPDIR_FN()} as a fallback). TMPDIR is automatically set to the correct sandbox-writable directory in sandbox mode. Do NOT use /tmp directly - use $TMPDIR or ${SANDBOX_TMPDIR_FN()} instead.