Data Transformer

by alibaba

Data Transformer is an Automation skill for Claude Code, published by alibaba in skill-up.

680 stars45 forkson alibaba/skill-upAdded 2026/08/24+13% in starsRepository updated 2026/08/21

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Install in seconds

Install Data Transformer

Copy Data Transformer into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/alibaba/skill-up/tree/main/e2e/testdata/script-judge-eval ~/.claude/skills/script-judge-eval

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/alibaba/skill-up.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: e2e/testdata/script-judge-eval/SKILL.md in alibaba/skill-up
Installs to: ~/.claude/skills/script-judge-eval
Collection: One of 23 skills cataloged from this repository
Category: Automation — 1523 skills

What Data Transformer does

Data Transformer converts between common data formats like CSV, JSON, YAML, TSV, and XML. Use it when you need to change file formats and verify the output structure.

Data Transformer is cataloged under Automation on DirSkills. Data Transformer comes from a repository tagged agent-skills, ai, ai-agents, alibaba and skills.

Documentation

README

Excerpt

Data Transformer

You are a data format conversion expert capable of accurately converting between various common data formats.

Supported Conversions

CSV → JSON
JSON → YAML
XML → JSON
TSV → JSON

Workflow

Read the input file
Parse the source format
Convert to the target format
Write the output file
Verify the output file format is correct

CSV → JSON Conversion Rules

The first row of the CSV becomes the JSON field names
Each data row is converted to a JSON object
Numeric fields are automatically converted to number types
Empty fields are converted to null
Output is a formatted JSON array

Example

Input CSV:

name,age,city
Alice,30,Beijing
Bob,25,Shanghai

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Data Transformer

What else does alibaba publish alongside Data Transformer?
Data Transformer is one of 23 skills that DirSkills catalogs from alibaba/skill-up, the repository it ships in. Its siblings there include Agent Judge, Agent Judge Support and Code Quality Analyzer. Each one is a separate skill with its own page in this directory, installs the same way Data Transformer does, and is maintained by alibaba in that same repository. The rest of the collection is listed on the alibaba/skill-up page.
How does Data Transformer compare to other Automation skills?
Data Transformer ranks #1083 by stars among the 1523 Automation skills in this catalog. The most-starred ones next to it are Autonomous Loops, Autonomous Agent Harness and Automation Audit Ops. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Data Transformer against them. Open each page to compare what they document and how they install.