deepseekplugins

DeepSeek Harness plugin

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).

Docs & Rendering
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Source facts

Repository
zjsthmjialin/pdf-background-gray-codex-skill
Latest update
Aug 16, 2026
Category
Docs & Rendering
GitHub stars
1

Install

Start with a prompt that asks an agent to read the source. Switch to the command if you want to install it yourself.

Copy this prompt into DSH, Codex, or another agent and ask it to read the page and repository first.

Do not install anything yet. Read this DeepSeek Harness plugin and explain what it does, which files, networks, or credentials it can access, and how to install and remove it.

Plugin page: https://deepseekplugins.org/plugins/zjsthmjialin/pdf-background-gray-codex-skill~23dsh-pdf-background-gray
GitHub: https://github.com/zjsthmjialin/pdf-background-gray-codex-skill/tree/main/dsh-pdf-background-gray
Plugin: pdf-background-gray-codex-skill#dsh-pdf-background-gray
Author: zjsthmjialin
Install command: dsh plugin --profile web add dsh-pdf-background-gray

Do not run the install command until I confirm.

Check the source files

Read the README and other files from this plugin directory before installing.

File explorer2 files
README.mdSource · read only

dsh-pdf-background-gray

「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](SKILL-TO-DSH-PLUGIN.md)（同目录模板）。

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