Official — anthropicdocuments

xlsx

Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadshee

$ npx skillvault install xlsxcopy
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0/100

SkillVault Security Report

Very Low Risk · Audited 4/23/2026

Automated Scan

Human Review

Sandbox Test

Network Calls

No outbound network calls

Credential Access

No credential paths accessed

Shell Commands

No shell command execution

Reviewer Note

Automated review. Risk: very_low. Score: 0/100.

Signed by SkillVault Security Team · Logged in Sigstore transparency log

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