Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/iofficeai/officecli/officecli-xlsxnpx skills add iOfficeAI/OfficeCLI --skill officecli-xlsxgit clone --depth 1 https://github.com/iOfficeAI/OfficeCLIWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/iofficeai/officecli/officecli-xlsx)<a href="https://agentmods.dev/skills/iofficeai/officecli/officecli-xlsx"><img src="https://agentmods.dev/badge/skills/iofficeai/officecli/officecli-xlsx.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00119 | $0.09171 |
| Opus 5 | $0.00060 | $0.04585 |
| Sonnet 5 | $0.00024 | $0.01834 |
| Haiku 4.5 | $0.00012 | $0.00917 |
Grade C, and why
officecli-xlsx scanned grade C with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Downloads and executes remote codehighSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
- **macOS / Linux**: `curl -fsSL https://d.officecli.ai/install.sh | bash` Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
- **macOS / Linux**: `curl -fsSL https://d.officecli.ai/install.sh | bash` How it starts
The opening of the file, as written. The whole thing — 497 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OfficeCLI XLSX Skill
Setup
If officecli is missing:
- macOS / Linux:
curl -fsSL https://d.officecli.ai/install.sh | bash - Windows (PowerShell):
irm https://d.officecli.ai/install.ps1 | iex
Verify with officecli --version (open a new terminal if PATH hasn't picked up). If install fails, download a binary from https://github.com/iOfficeAI/OfficeCLI/releases.
⚠️ Help-First Rule
This skill teaches what good xlsx looks like, not every command flag. When a property name, enum value, or alias is uncertain, consult help BEFORE guessing.
officecli help xlsx # List all xlsx elements
officecli help xlsx <element> # Full element schema (e.g. pivottable, chart, cf)
officecli help xlsx <verb> <element> # Verb-scoped (e.g. add chart, set cell)
officecli help xlsx <element> --json # Machine-readable schema
Help reflects the installed CLI version. When this skill and help disagree, help is authoritative.
Shell & Execution Discipline
Shell quoting (zsh / bash). Excel paths contain [], and number formats contain $. Both are shell metacharacters. Rules:
- ALWAYS quote element paths:
"/Sheet1/row[1]", not/Sheet1/row[1]. - Use single quotes for any prop value containing
$:numFmt='$#,##0'. - For formulas with cross-sheet
!references, usebatchwith a<<'EOF'heredoc (see Known Issues). \nand\tin a prop value ARE interpreted by the CLI —\nis a real in-cell line break (pair with--prop wrapText=true),\ta tab — consistent across xlsx / docx / pptx. Double them (\\n) for a literal backslash-n (rarely wanted). ($is the shell layer above — single-quote it.)
Incremental execution. Run commands one at a time and read each exit code. officecli mutates the file on every call; a 50-command script that fails at command 3 will cascade silently. One command → check output → continue.
Requirements for Outputs
Before reaching for a command, know what a good xlsx looks like. These are the deliverable standards every workbook MUST meet.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 4d ago First seen · 497 lines · 119 tokens per session scan C 5cd79d2c7398
officecli-xlsx is a skill published in the GitHub repository iOfficeAI/OfficeCLI (29,796 stars, last pushed yesterday), licensed Apache-2.0. It adds 119 tokens to every session and 9,171 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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