Reads and transforms Apache Parquet file metadata and column statistics using PyArrow and the Parquet Thrift specification. Maps column types across Delta Lake, Iceberg, and Hudi table formats.
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Added June 8, 2026
ai-agentsgonodegitsecurity
Works with
mcp
Security analysis
A92/100
mediumInstalls packages at runtime which could introduce malicious dependencies
Installs into .claude/skills of the current project.
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---
name: "Parquet Column Mapper"
slug: "parquet-column-mapper"
description: "Reads and transforms Apache Parquet file metadata and column statistics using PyArrow and the Parquet Thrift specification. Maps column types across Delta Lake, Iceberg, and Hudi table formats."
github_stars: 387
verification: "security_reviewed"
source: "https://github.com/ironSource/parquetjs"
category: "Data Extraction & Transformation"
framework: "MCP"
tool_ecosystem:
github_repo: "ironsource/parquetjs"
github_stars: 387
npm_package: "parquetjs"
npm_weekly_downloads: 170660
---
# Parquet Column Mapper
Reads and transforms Apache Parquet file metadata and column statistics using PyArrow and the Parquet Thrift specification. Maps column types across Delta Lake, Iceberg, and Hudi table formats.
## Installation
Use the upstream install or setup path that matches your environment:
- $ npm install parquetjs
Requirements and caveats from upstream:
- This project requires a major overhaul, as well as handling and sorting through dozens of issues and prs.
- fully asynchronous, pure node.js implementation of the Parquet file format
- To use parquet.js with node.js, install it using npm:
Basic usage or getting-started notes:
- ------------
- --------------------
- Once you have installed the parquet.js library, you can import it as a single
- Source: https://github.com/ironSource/parquetjs
- Extracted from upstream docs: https://raw.githubusercontent.com/ironSource/parquetjs/HEAD/README.md
## Source
- [Agent Skill Exchange](https://agentskillexchange.com/skills/parquet-column-mapper/)
