Agent skill

Libreoffice Calc

by aiskillstore in aiskillstore/marketplace

A skill your agent uses when creating, editing, formatting, exporting, or extracting LibreOffice Calc (.ods) spreadsheets via UNO, including session-based cell and range edits, sheets, named ranges…

No licenceAuto-check passedDocuments & Office

Install Libreoffice Calc

skills CLI
$ npx skills add aiskillstore/marketplace --skill libreoffice-calc -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install aiskillstore/marketplace libreoffice-calc --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/aiskillstore/marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/dfk1352/libreoffice-calc .claude/skills/libreoffice-calc && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
libreoffice-calc
GitHub stars
433
Token cost
~2.7k tokens
SKILL.md length
534 words
Files
14 (incl. scripts, references)
Skills in repo
1,044
Repo updated
First seen
Licence
None found

At a glance

A skill your agent uses when creating, editing, formatting, exporting, or extracting LibreOffice Calc (.ods) spreadsheets via UNO, including session-based cell and range edits, sheets, named ranges…

  • Extracting LibreOffice Calc (.ods) spreadsheets via UNO
  • SKILL.md covers API Surface, Structured Targets: CalcTarget, Cell Read Results and Formatting Payload:…, plus 7 more sections
  • Runs Python scripts from its folder
  • Including session-based cell and range edits

What it does

Libreoffice Calc is an agent skill from aiskillstore/marketplace. Use when creating, editing, formatting, exporting, or extracting LibreOffice Calc (.ods) spreadsheets via UNO, including session-based cell and range edits, sheets, named ranges, validation, charts, patch workflows, and snapshots.

Its SKILL.md is about 2.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 16 other files, including scripts and reference files (for example `references/troubleshooting.md`, `scripts/calc/__init__.py` and `scripts/calc/core.py`).

It sits in Documents & Office, covering Excel spreadsheets. It works with LibreOffice. The repository describes itself as: Security-audited skills for Claude, Codex & Claude Code. One-click install, quality verified.

When your agent uses it

  • Extracting LibreOffice Calc (.ods) spreadsheets via UNO
  • Including session-based cell and range edits
  • Patch workflows

Example prompts

  • “/libreoffice-calc”

Requirements

  • Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit 44923f3. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 11 files in scripts/ (Python), which the agent can run.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Libreoffice Calc loads about 2.7k tokens when it runs, and up to ~3.1k if it reads all its reference files. Until then it costs about 62 tokens; SKILL.md has 534 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~62
When it runs · the whole SKILL.md, loaded when a task matches
~2.7k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 534 words (~2,655 tokens).

“Use the bundled calc modules for UNO-backed Calc spreadsheet work. All paths must be absolute. Bundled modules live under scripts/ in this skill directory, so set PYTHONPATH=/scripts. If setup or runtime issues appear, check references/troubleshooting.md.”

— opening of SKILL.md by aiskillstore
name
libreoffice-calc

Read the full SKILL.md on GitHub

Files

SKILL.md and 13 other files (scripts, references) in skills/dfk1352/libreoffice-calc of aiskillstore/marketplace.

  • SKILL.md
  • references/troubleshooting.md
  • scripts/calc/__init__.py
  • scripts/calc/core.py
  • scripts/calc/exceptions.py
  • scripts/calc/patch.py
  • scripts/calc/session.py
  • scripts/calc/snapshot.py
  • scripts/calc/targets.py
  • scripts/colors.py
  • scripts/exceptions.py
  • scripts/session.py
  • scripts/uno_bridge.py
  • skill-report.json

Open the folder on GitHubat commit 44923f3

Compare with similar skills

Libreoffice Calc next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Libreoffice Calc compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Libreoffice Calc this skillaiskillstore/marketplace433—~2.7kAutomated safety check: PassNone
XLSXNousResearch/hermes-agent253k—~2.4kAutomated safety check: PassMIT
Python Bridgetmustier/pi-for-excel434—~820Automated safety check: PassMIT
Office To Mdshuyu-labs/WebCode278—~1kAutomated safety check: NotesCustom licence
XLSXHybridAIOne/hybridclaw159—~1.7kAutomated safety check: PassMIT
XLSXLeastBit/Claude_skills_zh-CN590—~1.5kAutomated safety check: PassProprietary

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Works with

Questions about Libreoffice Calc

What does Libreoffice Calc do?

A skill your agent uses when creating, editing, formatting, exporting, or extracting LibreOffice Calc (.ods) spreadsheets via UNO, including session-based cell and range edits, sheets, named ranges…. Libreoffice Calc is an agent skill from aiskillstore/marketplace.ods) spreadsheets via UNO, including session-based cell and range edits, sheets, named ranges, validation, charts, patch workflows, and snapshots.

When should I use Libreoffice Calc?

Libreoffice Calc fits situations like: extracting LibreOffice Calc (.ods) spreadsheets via UNO; including session-based cell and range edits; patch workflows.

How do I install Libreoffice Calc in Claude Code?

Run `npx skills add aiskillstore/marketplace --skill libreoffice-calc -a claude-code`. Or copy the skill folder (skills/dfk1352/libreoffice-calc in aiskillstore/marketplace) into .claude/skills/libreoffice-calc in your project. Claude Code loads it when a task matches its description.

How do I install Libreoffice Calc in Codex?

Run `npx skills add aiskillstore/marketplace --skill libreoffice-calc -a codex`. Or copy the skill folder (skills/dfk1352/libreoffice-calc in aiskillstore/marketplace) into .agents/skills/libreoffice-calc in your project. Codex loads it when a task matches its description.

Can I use Libreoffice Calc in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add aiskillstore/marketplace --skill libreoffice-calc -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/libreoffice-calc, .gemini/skills/libreoffice-calc, .github/skills/libreoffice-calc and .opencode/skills/libreoffice-calc in your project.

What does Libreoffice Calc need to run?

Going by SKILL.md and its folder, Libreoffice Calc needs Python for the scripts in its folder. Our summary lists: Python 3.

Does Libreoffice Calc access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Libreoffice Calc safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Libreoffice Calc use?

No licence was found for Libreoffice Calc or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Libreoffice Calc use?

About 2.7k tokens (SKILL.md is roughly 11k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 405 tokens, read only when the agent opens those files.

What are the alternatives to Libreoffice Calc?

Skills that share tags, products or a category with Libreoffice Calc: XLSX (NousResearch/hermes-agent, 253k stars), Python Bridge (tmustier/pi-for-excel, 434 stars), Office To Md (shuyu-labs/WebCode, 278 stars) and XLSX (HybridAIOne/hybridclaw, 159 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Libreoffice Calc?

aiskillstore (a GitHub organization) maintains it in aiskillstore/marketplace, which has 433 GitHub stars. The repository holds 1,044 skills in this directory. The repository was last updated on October 10, 2026.

Source: aiskillstore/marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.