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zjsthmjialin/pdf-background-gray-codex-skill#dsh-pdf-background-gray

Registers the remove-pdf-background-gray skill for DSH: whitens gray/off-white scan backgrounds in image-based PDFs while preserving resolution, page geometry, and anti-aliased text edges (lossless Flate write-back), via a single Python script (pypdf + Pillow + numpy).

Stars ★ 1 Category Docs & Rendering Listed 2026-08-16 npm dsh-pdf-background-gray

Install

Inside DeepSeek Harness, with dsh-market

dsh plugin --profile web add dshmarket

Or from the command line

dsh plugin --profile web add dsh-pdf-background-gray

Installing runs third-party code with your own permissions — it can read your files, use your credentials and reach the network. Review the source first, and pin a commit (github:owner/repo#sha) when you can.

README

This plugin publishes its README in Chinese only.

「Remove PDF Background Gray」技能的 DeepSeek Harness (DSH) 插件化分发包

安装后自动向 DSH 技能系统注册 remove-pdf-background-gray 技能:去除扫描 PDF 的灰色/米白底色,保持原始分辨率、页面几何与抗锯齿文字边缘(不做硬阈值/二值化、不重采样、无损 Flate 压缩)。

安装

dsh plugin --profile web add dsh-pdf-background-gray

重启 DSH Web 后,向 Agent 说"把这份扫描 PDF 去底灰"即自动走技能工作流。

运行时要求(Python)

  • Python 3.10+
  • python -m pip install pypdf Pillow numpy

用法(技能内嵌,直接给 agent 即可)

python scripts/remove_pdf_background_gray.py INPUT.pdf OUTPUT.pdf
# 深色纸张:--low 235 --white-point 250

内容

  • SKILL.md:工作流与护栏(pdfinfo 检查 → 直改图像对象 → 验证)
  • scripts/remove_pdf_background_gray.py:核心脚本(单文件,124 行)

发布 / 维护

npm pack --dry-run
npm publish

维护纪律:技能本体改动 → 同步 skills/remove-pdf-background-gray/ 快照 → 版本迭代重发。 完整迁移流程见 SKILL-TO-DSH-PLUGIN.md(同目录模板)。

Content from the project README on GitHub ↗