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data-transformer

Triggered when the user needs to convert data formats, such as CSV to JSON, JSON to YAML, or XML to JSON.

Skill by OahMoza

IndexedApache-2.0
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

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About

Triggered when the user needs to convert data formats, such as CSV to JSON, JSON to YAML, or XML to JSON. Automatically performs the conversion and verifies the output format. Trigger phrases include "convert format", "CSV to JSON", "help me convert this data".

Use cases: spreadsheets, testing, data

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What's inside

Skill name
data-transformer
Description
Triggered when the user needs to convert data formats, such as CSV to JSON, JSON to YAML, or XML to JSON. Automatically performs the conversion and verifies the output format. Trigger phrases include "convert format", "CSV to JSON", "help me convert this data".
License
Apache-2.0
Instructions
51 lines in SKILL.md · view on GitHub

Before installing

  • Ships executable scripts

Agent Skills spec issues

  • name: "data-transformer" does not match folder "script-judge-eval"

Files (11)

  • README.md
  • SKILL.md
  • csv-to-json.yaml · evals/cases/
  • eval.yaml · evals/
  • evals.json · evals/
  • input.csv · evals/fixtures/workspace/
  • csv-to-json-grading.json · fixtures/expected/
  • csv-to-json.json · fixtures/judge-inputs/
  • check-transform.sh · fixtures/scripts/
  • input.csv · fixtures/workspace/
  • output.json · fixtures/workspace/

SKILL.md (first lines)

# 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

1. Read the input file
2. Parse the source format
3. Convert to the target format
4. Write the output file
5. 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:
```csv
name,age,city
Alice,30,Beijing
Bob,25,Shanghai
```

Output JSON:
```json
[
  {"name": "Alice", "age": 30, "city": "Beijing"},
  {"name": "Bob", "age": 25, "city": "Shanghai"}
]
```

## Notes

- Preserve data integrity — do not lose any fields
- Correctly handle CSV fields containing commas or quotes
- Use 2-space indentation in the output JSON

From OahMoza/agent-skill-eval, Apache-2.0.

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Last commit (this folder)
May 14, 2026 (5 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

Same skill elsewhere

Copies of this SKILL.md published by others; search shows only one of them.

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Cite this page

data-transformer skill. Agent Mart. https://agentmart.dev/skills/oahmoza-data-transformer (last updated 2026-10-24)