Xlsx Cn

This skill largely does what its name claims (Office/XLSX processing), but there are a few red flags to consider before installing or running it: - Runtime native compilation and LD_PRELOAD: The code writes a C source file to the temp directory and invokes gcc to build a shared object, then uses LD_PRELOAD to alter how LibreOffice communicates. This is unusual for a lightweight spreadsheet helper. If you do not trust the source, do not allow it to compile or preload native code on your system. - Undeclared runtime dependencies: The SKILL.md and scripts expect LibreOffice (soffice), gcc, and Python packages (pandas, lxml, defusedxml, openpyxl, etc.) but the skill metadata does not list required binaries or Python dependencies. Confirm these are available in a controlled environment before use. - License mismatch: LICENSE.txt contains restrictive Anthropic terms while _meta.json claims MIT. Ask the author to clarify licensing before redistribution. - Safety steps: If you proceed, run the skill in an isolated environment (container or VM) with no sensitive mounts, review the C shim source and the Python scripts yourself, and restrict network and credential access. If you cannot audit the code, prefer a vetted library or a skill that explicitly declares and documents native compilation and binary requirements. If you want, I can: (a) list the exact Python packages and binaries the scripts appear to need, (b) point out the specific lines that create and compile the shim, or (c) help draft questions to the author asking for missing dependency and license clarifications.