# Inspect large CSV files interactively before cleanup, mapping, or downstream transforms with csvlens > Use csvlens when an agent or operator needs fast column-aware inspection of a large CSV before cleaning, mapping, or transforming it. - Skill: `agentskillexchange/inspect-large-csv-files-interactively-before-cleanup-mapping` (Agent Skill) - Install (CLI): `npx skillmds@latest add agentskillexchange/inspect-large-csv-files-interactively-before-cleanup-mapping` - Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/inspect-large-csv-files-interactively-before-cleanup-mapping/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Data & Analytics - Author: agentskillexchange (https://skillmd.com/u/agentskillexchange) - Updated: 2026-09-08 - Page: https://skillmd.com/skills/agentskillexchange/inspect-large-csv-files-interactively-before-cleanup-mapping --- # Inspect large CSV files interactively before cleanup, mapping, or downstream transforms with csvlens Use csvlens when an agent or operator needs fast column-aware inspection of a large CSV before cleaning, mapping, or transforming it. ## Prerequisites csvlens, local CSV files, and terminal access on the machine where the data lives. ## Installation Use the upstream install or setup path that matches your environment: - brew install csvlens - cargo install csvlens - cargo install --path $(pwd) Requirements and caveats from upstream: - Requires Rust 1.88.0 or newer. Basic usage or getting-started notes: - Run csvlens by providing the CSV filename: - csvlens - Pipe CSV data directly to csvlens: - Source: https://github.com/YS-L/csvlens - Extracted from upstream docs: https://raw.githubusercontent.com/YS-L/csvlens/HEAD/README.md ## Documentation - https://github.com/YS-L/csvlens#readme ## Source - [Agent Skill Exchange](https://agentskillexchange.com/skills/inspect-large-csv-files-interactively-before-cleanup-mapping-or-downstream-transforms-with-csvlens/)