data-quality-audit

data-quality-audit is a command for Claude Code from Amey-Thakur/AI-SKILLS. It costs 17 tokens per session (249 once invoked), scanned A, original, MIT.

A structured audit of a dataset before it is used for analysis, covering missing, invalid, duplicated, inconsistent, outdated, or biased data.

In plain words
What is it for?
Use it to check completeness, valid formats and ranges, entity duplicates, coverage over time, selection bias, and whether the data supports its intended use.
Why use it?
It reveals problems that could make the intended analysis unreliable or impossible.

Command for Claude Code

Written for Claude Code: argument-hint in frontmatter.

Good fit Use it to check completeness, valid formats and ranges, entity duplicates, coverage over time, selection bias, and whether the data supports its intended use.

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Install with agentmods
npx agentmods add commands/amey-thakur/ai-skills/data-quality-audit
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.

Clone the repo
git clone --depth 1 https://github.com/Amey-Thakur/AI-SKILLS

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 data-quality-audit

README.md
[![agentmods](https://agentmods.dev/badge/commands/amey-thakur/ai-skills/data-quality-audit/github.svg)](https://agentmods.dev/commands/amey-thakur/ai-skills/data-quality-audit)
Your own site
<a href="https://agentmods.dev/commands/amey-thakur/ai-skills/data-quality-audit"><img src="https://agentmods.dev/badge/commands/amey-thakur/ai-skills/data-quality-audit/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 data-quality-audit

Your own site · 80×15
<a href="https://agentmods.dev/commands/amey-thakur/ai-skills/data-quality-audit"><img src="https://agentmods.dev/badge/commands/amey-thakur/ai-skills/data-quality-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 17 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 249 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 $0.00017 $0.00249
Opus 5 $0.00009 $0.00125
Sonnet 5 $0.00003 $0.00050
Haiku 4.5 $0.00002 $0.00025

Measured 9d ago against content hash e7b726709b30, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

data-quality-audit 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 9d 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.

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.

commands/data-quality-audit.md · 37 lines

What it actually says

You were invoked as a slash command. The user's input:

$ARGUMENTS

Use that input to fill this prompt's variables (take the main content, topic, or task from it; ask only if a required value is missing and not supplied), then follow the prompt exactly.


Audit this dataset:

{dataset}

Intended use: {use}

Use data-cleaning, sampling-and-bias, and data-lineage.

Report:

  • Completeness: missing values and whether missingness is random.
  • Validity: values outside plausible ranges, wrong types, broken formats.
  • Consistency: the same entity represented differently.
  • Duplicates and what constitutes one here.
  • Timeliness: how current, and any gaps in coverage.
  • Selection bias: who or what is systematically absent.
  • Whether it can support the intended use.

Rules: assess against the intended use rather than in the abstract. Distinguish problems that block the use from those worth noting. Say plainly if the data cannot support the use. Missing data is often the most informative finding.

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. 9d ago First seen · 37 lines · 17 tokens per session scan A e7b726709b30

Subscribe to this mod's changes

data-quality-audit is a command published in the GitHub repository Amey-Thakur/AI-SKILLS (7 stars, last pushed 6d ago), licensed MIT. It adds 17 tokens to every session and 249 once invoked, about $0.0001 per session on Opus 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 2026-09-03.