shell-data-wrangling

shell-data-wrangling is a skill for Claude Code, Codex from AntheaLaffy/the-missing-semester-skills. It costs 119 tokens per session (844 once invoked), scanned A, original, no licence file.

A guide to combining shell commands for processing logs, CSV files, text, and file lists. Shell commands are text instructions run in a terminal, and a pipeline passes one command's output to the next.

In plain words
What is it for?
It is for writing pipelines with commands such as grep, sed, awk, jq, sort, and find to search, clean, filter, or summarise data.
Why use it?
It helps turn raw command-line output into useful answers without handling each file or line manually.

Skill for Claude CodeCodex

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

Good fit It is for writing pipelines with commands such as grep, sed, awk, jq, sort, and find to search, clean, filter, or summarise data.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/anthealaffy/the-missing-semester-skills/shell-data-wrangling
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 AntheaLaffy/the-missing-semester-skills --skill shell-data-wrangling
Clone the repo
git clone --depth 1 https://github.com/AntheaLaffy/the-missing-semester-skills

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 shell-data-wrangling

README.md
[![agentmods](https://agentmods.dev/badge/skills/anthealaffy/the-missing-semester-skills/shell-data-wrangling/github.svg)](https://agentmods.dev/skills/anthealaffy/the-missing-semester-skills/shell-data-wrangling)
Your own site
<a href="https://agentmods.dev/skills/anthealaffy/the-missing-semester-skills/shell-data-wrangling"><img src="https://agentmods.dev/badge/skills/anthealaffy/the-missing-semester-skills/shell-data-wrangling/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 shell-data-wrangling

Your own site · 80×15
<a href="https://agentmods.dev/skills/anthealaffy/the-missing-semester-skills/shell-data-wrangling"><img src="https://agentmods.dev/badge/skills/anthealaffy/the-missing-semester-skills/shell-data-wrangling.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 119 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 844 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00119 $0.00844
Opus 5.5 $0.00048 $0.00338
Sonnet 5.5 $0.00024 $0.00169
Haiku 4.5 $0.00012 $0.00084

Measured 1mo ago against content hash d9fba9c39eae, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

shell-data-wrangling scanned grade A with 1 finding 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.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- **先看数据再写管道**:先 `head` / `curl -s` 看样本结构和分隔符,再定正则与列号——盲写的正则第一版几乎必错。
shell-data-wrangling/SKILL.md · 36 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 1mo ago First seen · 36 lines · 119 tokens per session scan A d9fba9c39eae

Subscribe to this mod's changes

shell-data-wrangling is a skill published in the GitHub repository AntheaLaffy/the-missing-semester-skills (1 stars, last pushed 1mo ago), with no licence file. It adds 119 tokens to every session and 844 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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