Name: Explore Data
Author: Anthropic

Profile a new dataset: shape, nulls, duplicates, odd values and what to analyze.

An Anthropic Data plugin skill for the first look at an unfamiliar table or file. It profiles the columns, flags quality problems and suggests which questions are worth asking next.

Who it is for

Analysts
Students
Operations staff
Marketers

Prompts to try

Once the skill is installed, ask for the result in plain words. Claude picks the skill up on its own.

Prompt 1

Profile customers.csv and tell me what's wrong with the data

Prompt 2

I just got this export, what's in it and what should I analyze?

Prompt 3

Check this table for duplicates and missing values

How to install it

In Claude Code

>/plugin marketplace add anthropics/knowledge-work-plugins
>/plugin install data@knowledge-work-plugins

In Claude.ai

Listed in Claude's plugin directory for Cowork: add the Data plugin from Customize > Plugins on a paid plan, and its skills also load in chat.

Unlock the install steps

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How we checked it

Confirmed SKILL.md at data/skills/explore-data/SKILL.md in anthropics/knowledge-work-plugins via the GitHub API; skill folder last changed 2026-03-13, repo has 29,992 stars and was pushed 2026-10-17; published in Anthropic's knowledge-work-plugins marketplace.

Source: github.com/anthropics/knowledge-work-plugins/tree/main/data/skills/explore-data

Explore Data