How do I install the CSV Tools skill?

Run npx skillmds@latest add dalehurley/csv-tools in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is CSV Tools safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with CSV Tools?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is CSV Tools free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published CSV Tools?

dalehurley (@dalehurley) published this skill. Their other Agent Skills are listed on their SkillMD profile.

CSV Tools by dalehurley — Agent Skill

Name: CSV Tools
Author: dalehurley

CSV Tools

Parse, query, filter, sort, transform, and summarize CSV and JSON data files. Use this skill when the user asks to view a CSV, filter data, get statistics from a data file, convert CSV to JSON or vice versa, sort data, or analyze tabular data.

dalehurley 1e2f54c 2 files · 13.5 KB Updated Sep 17, 2026

File contents

Skill: csv-tools

When to Use

Use this skill when the user asks to:

View or pretty-print a CSV/JSON file
Filter rows from a data file
Sort data by a column
Get summary statistics (count, mean, min, max)
Convert CSV to JSON or JSON to CSV
Query or analyze tabular data
Count rows or summarize a dataset

Input Parameters

Parameter	Required	Description	Example
`action`	Yes	`view`, `filter`, `sort`, `stats`, `convert`	view
`file_path`	Yes	Path to the CSV or JSON file	data.csv
`column`	For filter/sort	Column name to operate on	age
`value`	For filter	Value to match (supports operators: `>`, `<`, `>=`, `<=`, `!=`, `=`)	>30
`order`	For sort	`asc` (default) or `desc`	desc
`output`	For convert	Output file path	data.json
`limit`	For view	Max rows to display (default: 50)	20

Procedure

Determine the action from the user's request

Run the bundled script:

# View first 50 rows
python3 skills/csv-tools/scripts/query.py view data.csv

# Filter rows
python3 skills/csv-tools/scripts/query.py filter data.csv --column age --value ">30"

# Sort by column
python3 skills/csv-tools/scripts/query.py sort data.csv --column name --order asc

# Summary statistics
python3 skills/csv-tools/scripts/query.py stats data.csv

# Convert CSV to JSON
python3 skills/csv-tools/scripts/query.py convert data.csv --output data.json

Report the result to the user

Bundled Scripts

Script	Type	Description
`scripts/query.py`	Python	Query, filter, sort, and transform CSV/JSON data

Script Usage

# View data (pretty-printed table)
python3 scripts/query.py view data.csv
python3 scripts/query.py view data.csv --limit 10

# Filter rows
python3 scripts/query.py filter data.csv --column status --value "active"
python3 scripts/query.py filter data.csv --column price --value ">100"
python3 scripts/query.py filter data.csv --column name --value "!=John"

# Sort
python3 scripts/query.py sort data.csv --column date --order desc

# Statistics
python3 scripts/query.py stats data.csv
python3 scripts/query.py stats data.csv --column revenue

# Convert formats
python3 scripts/query.py convert data.csv --output data.json
python3 scripts/query.py convert data.json --output data.csv

Example

show me the contents of sales.csv
filter users.csv where age is greater than 30
sort the data by revenue descending
what are the statistics for this CSV file
convert this CSV to JSON
how many rows are in data.csv

---name: csv-toolsdescription: Parse, query, filter, sort, transform, and summarize CSV and JSON data files. Use this skill when the user asks to view a CSV, filter data, get statistics from a data file, convert CSV to JSON or vice versa, sort data, or analyze tabular data.---# Skill: csv-tools## When to UseUse this skill when the user asks to:- View or pretty-print a CSV/JSON file- Filter rows from a data file- Sort data by a column- Get summary statistics (count, mean, min, max)- Convert CSV to JSON or JSON to CSV- Query or analyze tabular data- Count rows or summarize a dataset## Input Parameters| Parameter | Required | Description | Example || ----------- | --------------- | -------------------------------------------------------------------- | --------- || `action` | Yes | `view`, `filter`, `sort`, `stats`, `convert` | view || `file_path` | Yes | Path to the CSV or JSON file | data.csv || `column` | For filter/sort | Column name to operate on | age || `value` | For filter | Value to match (supports operators: `>`, `<`, `>=`, `<=`, `!=`, `=`) | >30 || `order` | For sort | `asc` (default) or `desc` | desc || `output` | For convert | Output file path | data.json || `limit` | For view | Max rows to display (default: 50) | 20 |## Procedure1. Determine the action from the user's request2. Run the bundled script: ```bash # View first 50 rows python3 skills/csv-tools/scripts/query.py view data.csv # Filter rows python3 skills/csv-tools/scripts/query.py filter data.csv --column age --value ">30" # Sort by column python3 skills/csv-tools/scripts/query.py sort data.csv --column name --order asc # Summary statistics python3 skills/csv-tools/scripts/query.py stats data.csv # Convert CSV to JSON python3 skills/csv-tools/scripts/query.py convert data.csv --output data.json ```3. Report the result to the user## Bundled Scripts| Script | Type | Description || ------------------ | ------ | ------------------------------------------------ || `scripts/query.py` | Python | Query, filter, sort, and transform CSV/JSON data |### Script Usage```bash# View data (pretty-printed table)python3 scripts/query.py view data.csvpython3 scripts/query.py view data.csv --limit 10# Filter rowspython3 scripts/query.py filter data.csv --column status --value "active"python3 scripts/query.py filter data.csv --column price --value ">100"python3 scripts/query.py filter data.csv --column name --value "!=John"# Sortpython3 scripts/query.py sort data.csv --column date --order desc# Statisticspython3 scripts/query.py stats data.csvpython3 scripts/query.py stats data.csv --column revenue# Convert formatspython3 scripts/query.py convert data.csv --output data.jsonpython3 scripts/query.py convert data.json --output data.csv```## Example```show me the contents of sales.csvfilter users.csv where age is greater than 30sort the data by revenue descendingwhat are the statistics for this CSV fileconvert this CSV to JSONhow many rows are in data.csv```

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