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xlsx

xlsx is a skill for Claude Code, Codex from polyuiislab/infiAgent. It costs 201 tokens per session (2,835 once invoked), scanned A, original, GPL-3.0.

Instructions for working with spreadsheet files such as .xlsx, .xlsm, .csv, and .tsv.

In plain words
What is it for?
Use them to open, read, edit, repair, create, calculate, format, chart, or clean spreadsheet data.
Why use it?
They provide guidance whenever spreadsheet data is the main input or output, including tasks that require cleaning, calculations, or formatting.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

not rated 1.2krepo +1 3mo ago A scan 201 tokens GPL-3.0

Good fit Use them to open, read, edit, repair, create, calculate, format, chart, or clean spreadsheet data.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/polyuiislab/infiagent/xlsx
View source ↗ polyuiislab/infiAgent
About the project

infiAgent is an agent framework for building long-running AI agents from configuration files. It supports hierarchical or flat agent setups, persistent workspace memory, resumable execution, and on-demand use of Agent Skills. The catalogue entries provide skills for agents built with this framework.

polyuiislab/infiAgent · 1,188 stars · on GitHub

Install

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.

Any agent
npx skills add polyuiislab/infiAgent --skill xlsx
Clone the repo
git clone --depth 1 https://github.com/polyuiislab/infiAgent

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for xlsx

README.md
[![agentmods](https://agentmods.dev/badge/skills/polyuiislab/infiagent/xlsx/github.svg)](https://agentmods.dev/skills/polyuiislab/infiagent/xlsx)
Your own site
<a href="https://agentmods.dev/skills/polyuiislab/infiagent/xlsx"><img src="https://agentmods.dev/badge/skills/polyuiislab/infiagent/xlsx/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for xlsx

Your own site · 80×15
<a href="https://agentmods.dev/skills/polyuiislab/infiagent/xlsx"><img src="https://agentmods.dev/badge/skills/polyuiislab/infiagent/xlsx.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 201 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,835 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00201 $0.02835
Opus 5.5 $0.00080 $0.01134
Sonnet 5.5 $0.00040 $0.00567
Haiku 4.5 $0.00020 $0.00283

Measured 1mo ago against content hash dd316db7785a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

xlsx scanned grade A with 0 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 1mo ago.

The scan reads SKILL.md. This mod also ships 13 executable files (scripts/office/helpers/__init__.py, scripts/office/helpers/merge_runs.py, scripts/office/helpers/simplify_redlines.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/xlsx/SKILL.md · 292 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

53 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

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.

  1. 1mo ago First seen · 292 lines · 201 tokens per session scan A dd316db7785a

Subscribe to this mod's changes

xlsx is a skill published in the GitHub repository polyuiislab/infiAgent (1,188 stars, last pushed 3mo ago), licensed GPL-3.0. It adds 201 tokens to every session and 2,835 once invoked, about $0.0008 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

DocumentsSpreadsheetsagentframeworksdksdk-python
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