All skills & plugins / Anthropic Agent Skills

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, .xltx, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or from other data sources; or convert between tabular file formats. Trigger e

Pre-approved tools

No allowed-tools or tools list in its SKILL.md, command or agent files, so the agent asks before using tools as usual.

Hooks

No hooks.

MCP servers and apps

None.

Bundled code

12 code files (Python):

• xlsx/scripts/recalc.py
• scripts/office/soffice.py
• scripts/office/validate.py
• office/helpers/pptx_slide.py
• office/helpers/__init__.py
• office/helpers/pptx_chart.py
• office/helpers/pptx_theme.py
• office/validators/docx.py
• office/validators/__init__.py
• office/validators/base.py
• office/validators/pptx.py
• office/validators/redlining.py

Network calls

1 file with a network call pattern. First match per file:

• skills/xlsx/scripts/office/soffice.py:55

  s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)

Starts other programs

3 files. First match per file:

• skills/xlsx/scripts/recalc.py:43

  subprocess.run(

• skills/xlsx/scripts/office/soffice.py:46

  return subprocess.run(["soffice"] + args, env=get_soffice_env(), **kwargs)

• skills/xlsx/scripts/office/validators/redlining.py:192

  result = subprocess.run(

Credentials referenced

No key, token or secret environment variable found in code or MCP config.

Static scan of commit dbd4588 on 2026-10-27. Signals are patterns found in the files, not a verdict: a network call can be the whole point of a skill. Read the linked lines before you decide. How the scan works.