xlsx

xlsx is a skill for Claude Code, Codex from kortix-ai/suna. It costs 17 tokens per session (5,274 once invoked), scanned A, original, no licence file.

A set of tools and guidance for creating, analysing, and formatting Excel-compatible spreadsheets and financial models.

In plain words
What is it for?
Use it to create or analyse workbooks, build financial models, and produce polished spreadsheet files.
Why use it?
It helps turn spreadsheet tasks into organised workbook outputs rather than leaving data, formulas, and presentation work separate.

Skill for Claude CodeCodex

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

Good fit Use it to create or analyse workbooks, build financial models, and produce polished spreadsheet files.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/kortix-ai/suna/xlsx
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 kortix-ai/suna --skill xlsx
Clone the repo
git clone --depth 1 https://github.com/kortix-ai/suna

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/kortix-ai/suna/xlsx/github.svg)](https://agentmods.dev/skills/kortix-ai/suna/xlsx)
Your own site
<a href="https://agentmods.dev/skills/kortix-ai/suna/xlsx"><img src="https://agentmods.dev/badge/skills/kortix-ai/suna/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/kortix-ai/suna/xlsx"><img src="https://agentmods.dev/badge/skills/kortix-ai/suna/xlsx.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,274 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Agent Snooping · line 10
    Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.
    Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
How audits are shown
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 $0.00017 $0.05274
Opus 5.5 $0.00007 $0.02110
Sonnet 5.5 $0.00003 $0.01055
Haiku 4.5 $0.00002 $0.00527

Measured 1mo ago against content hash cfde69fa4f39, 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 3 executable files (scripts/_soffice.py, scripts/pivot_table.py, scripts/recalc.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.

packages/starter/templates/general-knowledge-worker/skills/xlsx/SKILL.md · 544 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Files

What ships with it

3 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 Changed a2e455b113cf
  2. 1mo ago First seen · 544 lines · 17 tokens per session scan A cfde69fa4f39

Subscribe to this mod's changes

xlsx is a skill published in the GitHub repository kortix-ai/suna (20,309 stars, last pushed today), with no licence file. It adds 17 tokens to every session and 5,274 once invoked, about $0.0001 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.

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