How do I install the Lowinfo Filter skill?

Run npx skillmds@latest add cas-bigdatalab/lowinfo-filter 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.

What does the Lowinfo Filter skill do?

lowinfo_filter 低信息量过滤 It is listed under Coding & Dev Tools on SkillMD.

Is Lowinfo Filter 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 Lowinfo Filter?

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 Lowinfo Filter free to use?

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

Who published Lowinfo Filter?

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

Lowinfo Filter by cas-bigdatalab — Agent Skill

Name: Lowinfo Filter
Author: cas-bigdatalab

File contents

lowinfo_filter 低信息量过滤

功能概述

按字符数/行数上下限过滤低/高信息样本。
支持多列检测，默认所有字符串列。

参数说明

参数	必填	说明
`--input_path`	是	输入文件路径（支持CSV/TSV/Excel等）
`--output_path`	是	输出文件路径（过滤后的文件）
`--text_columns`	否	需检测的文本列，逗号分隔；不填默认全部字符串列
`--min_chars`	否	最小字符数，默认 10
`--max_chars`	否	最大字符数（0 表示不限），默认 2000
`--min_lines`	否	最小行数，默认 1
`--max_lines`	否	最大行数（0 表示不限），默认 200

使用方法

python scripts/lowinfo_filter.py \
  --input_path <输入文件> \
  --output_path <输出文件> \
  [--text_columns col1,col2] \
  [--min_chars 10] [--max_chars 2000] \
  [--min_lines 1] [--max_lines 200]

输出说明

仅保留满足阈值的行；过滤掉的行不输出。
控制台提示输出行数与原始行数。

注意事项

合理设置 min/max，避免过度过滤。
若需保留原因，可调整脚本保留 filter_reason 列（当前实现剔除）。

Frequently asked questions

Lowinfo Filter