@rowcove

RowCove

@rowcoveJoined November 2026

High-performance local data viewing and editing for CSV, JSONL, Parquet and Arrow. Windows + Mac. Authorized local MCP tools.

About

We build RowCove, a Rust-powered local viewer and editor for large CSV, JSONL, Parquet and Arrow datasets on Windows and macOS Apple Silicon. Here we share practical workflows for inspecting complete records, tracing source shards, verifying saved copies and using local MCP with explicit permissions. Public examples use generated mock data. Product: https://rowcove.com/

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RowCove's blogs

RowCove Data Workflowsrowcove.hashnode.dev2 posts

Inspect Parquet shards without building a full Arrow dataset cache

By the RowCove team, developers of a commercial local data workspace. This article is AI-assisted; the Python reference was executed and checked. All example records are generated mock data. The refer

1d ago · 8 min readrowcove.hashnode.dev

Finding one bad record in a large dataset: JSONL, Parquet and Arrow

You need to correct one suspicious record in a folder of data shards. Before you can make that correction, you have to find the source file, read the complete value and establish that you have the rig

1d ago · 8 min readrowcove.hashnode.dev

RowCove

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Available for

RowCove's blogs

Inspect Parquet shards without building a full Arrow dataset cache

Finding one bad record in a large dataset: JSONL, Parquet and Arrow

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RowCove

About

Available for

RowCove's blogs

Inspect Parquet shards without building a full Arrow dataset cache

Finding one bad record in a large dataset: JSONL, Parquet and Arrow