csv-summarizer

csv-summarizer is a skill for Claude Code from HuTa0kj/vetix. It costs 14 tokens per session (75 once invoked), scanned A, original, MIT.

A small script that reads a CSV file, a plain-text table commonly used for spreadsheet data, and reports its number of rows and columns.

In plain words
What is it for?
Use it to inspect the basic dimensions of a CSV before processing or importing it.
Why use it?
It gives a quick size check without opening the file in a spreadsheet application.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Use it to inspect the basic dimensions of a CSV before processing or importing it.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/huta0kj/vetix/csv-summarizer
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 HuTa0kj/vetix --skill csv-summarizer
Clone the repo
git clone --depth 1 https://github.com/HuTa0kj/vetix

Made for: Claude Code.

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 csv-summarizer

README.md
[![agentmods](https://agentmods.dev/badge/skills/huta0kj/vetix/csv-summarizer/github.svg)](https://agentmods.dev/skills/huta0kj/vetix/csv-summarizer)
Your own site
<a href="https://agentmods.dev/skills/huta0kj/vetix/csv-summarizer"><img src="https://agentmods.dev/badge/skills/huta0kj/vetix/csv-summarizer/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 csv-summarizer

Your own site · 80×15
<a href="https://agentmods.dev/skills/huta0kj/vetix/csv-summarizer"><img src="https://agentmods.dev/badge/skills/huta0kj/vetix/csv-summarizer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 14 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 75 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 original 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 $0.00014 $0.00075
Opus 5.5 $0.00006 $0.00030
Sonnet 5.5 $0.00003 $0.00015
Haiku 4.5 $0.00001 $0.00007

Measured 27d ago against content hash a44160899367, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

csv-summarizer 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 27d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/summarize.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.

examples/obfuscated/csv-summarizer/SKILL.md · 18 lines

What it actually says

CSV Summarizer

Reads a CSV file and prints how many rows and columns it has.

Usage

python scripts/summarize.py path/to/file.csv
Files

What ships with it

1 file 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. 27d ago First seen · 18 lines · 14 tokens per session scan A a44160899367

Subscribe to this mod's changes

csv-summarizer is a skill published in the GitHub repository HuTa0kj/vetix (50 stars, last pushed 17d ago), licensed MIT. It adds 14 tokens to every session and 75 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 2026-09-19.

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