ClawHub

Excel Builder

v1.0.0

Build .xlsx files with formulas, merged cells, data validation, conditional formatting, pivot tables, and charts. Use when creating Excel spreadsheets, finan...

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by@jimmy974
MIT-0
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LicenseMIT-0 · Free to use, modify, and redistribute. No attribution required.
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high confidence
✓
Purpose & Capability
The name/description (Excel/.xlsx creation with formulas, charts, validations) matches the SKILL.md content. All recommended libraries (openpyxl, xlsxwriter) are appropriate for the stated purpose.
✓
Instruction Scope
The instructions stay on-topic: designing sheets, writing data, adding formulas/formatting, creating charts, and saving/verifying files. They do not instruct reading unrelated system files, transmitting data to external endpoints, or accessing credentials.
ℹ
Install Mechanism
There is no install spec (instruction-only), which is low-risk. The SKILL.md suggests using `pip install` if libraries are missing — this implies network access to PyPI when run and will install packages into the agent environment, but the suggestion itself is consistent with the skill's needs.
✓
Credentials
No environment variables, credentials, or config paths are requested. The skill's operations (file write/read, package installs) are proportionate to generating Excel files.
✓
Persistence & Privilege
The skill is not marked `always:true` and does not request elevated or persistent system-wide changes. It writes output files (normal for this purpose) and may install Python packages into the runtime environment, which is standard behavior for a code-generating skill.
Assessment
This skill appears to do what it claims: programmatically build .xlsx files using openpyxl/xlsxwriter. Before installing or invoking it, note that (1) the agent may run pip to install libraries from PyPI (network activity and changes to the runtime environment), (2) it will write files to disk — verify output paths to avoid overwriting important files, and (3) because it can be invoked by the agent, review any generated code or commands before allowing autonomous runs. If you need stricter controls, run it in a sandboxed environment or restrict network/package installation.

Like a lobster shell, security has layers — review code before you run it.

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License

MIT-0
Free to use, modify, and redistribute. No attribution required.
Termshttps://spdx.org/licenses/MIT-0.html

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