How do I install the Bg Remover skill?

Run npx skillmds@latest add knownasnaffy/bg-remover-4 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.

Is Bg Remover safe to use?

This skill has not completed SkillMD's automated safety review yet. Capability flags: executes scripts. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Bg Remover?

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 Bg Remover free to use?

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

Who published Bg Remover?

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

Bg Remover by knownasnaffy — Agent Skill

Name: Bg Remover
Rating: 4.2 (5 reviews)
Author: knownasnaffy

Bg Remover

Remove, replace, or blur image backgrounds using AI-powered segmentation (rembg/U2-Net). Use when the user asks to: (1) remove image background / make transparent, (2) replace background with a color or another image, (3) blur background like portrait mode, (4) cut out / extract foreground subject from a photo. Triggers on keywords like 抠图, 去背景, 换背景, 背景模糊, 透明背景, remove background, replace background, blur background, cutout.

knownasnaffy Updated Sep 22, 2026 0 repo stars

File contents

Security Tests

Includes tests that verify dangerous inputs are properly rejected:

Command injection attempts are blocked
Path traversal is detected and denied
SQL injection patterns are sanitized

Test payloads in tests/test_security.py are for validation only.

bg-remover — 图片背景处理

基于 rembg (U2-Net) 的本地 AI 抠图工具，支持去除背景、替换背景、背景模糊。

依赖安装

首次使用前运行安装脚本：

bash {baseDir}/scripts/install.sh

或手动安装：pip install rembg Pillow numpy onnxruntime

命令

所有操作通过 {baseDir}/scripts/bg_remove.py 执行：

去除背景（输出透明 PNG）

python3 {baseDir}/scripts/bg_remove.py remove <input> [-o output.png]

替换背景

# 纯色背景（支持 hex、rgb、颜色名）
python3 {baseDir}/scripts/bg_remove.py replace <input> -c "#FF0000" [-o output.png]
python3 {baseDir}/scripts/bg_remove.py replace <input> -c white [-o output.png]

# 图片背景
python3 {baseDir}/scripts/bg_remove.py replace <input> -i bg.jpg [-o output.png]

背景模糊（人像模式）

python3 {baseDir}/scripts/bg_remove.py blur <input> [-r 15] [-o output.png]

-r 控制模糊半径，值越大越模糊，默认 15。

输出

默认输出路径为原文件名加后缀：_nobg.png（去除）、_newbg.png（替换）、_blur.png（模糊）
所有输出均为 PNG 格式
使用 -o 参数自定义输出路径

注意事项

首次运行会自动下载 U2-Net 模型（约 170MB），需要网络
处理大图可能较慢，建议先缩小再处理
抠图效果取决于前景与背景的对比度，简洁背景效果更好

---name: bg-remover-4description: Remove, replace, or blur image backgrounds using AI-powered segmentation (rembg/U2-Net). Use when the user asks to: (1) remove image background / make transparent, (2) replace background with a color or another image, (3) blur background like portrait mode, (4) cut out / extract foreground subject from a photo. Triggers on keywords like 抠图, 去背景, 换背景, 背景模糊, 透明背景, remove background, replace background, blur background, cutout.---## Security TestsIncludes tests that verify dangerous inputs are properly rejected:- Command injection attempts are blocked- Path traversal is detected and denied- SQL injection patterns are sanitizedTest payloads in `tests/test_security.py` are for validation only.# bg-remover — 图片背景处理基于 rembg (U2-Net) 的本地 AI 抠图工具，支持去除背景、替换背景、背景模糊。## 依赖安装首次使用前运行安装脚本：```bashbash {baseDir}/scripts/install.sh```或手动安装：`pip install rembg Pillow numpy onnxruntime`## 命令所有操作通过 `{baseDir}/scripts/bg_remove.py` 执行：### 去除背景（输出透明 PNG）```bashpython3 {baseDir}/scripts/bg_remove.py remove <input> [-o output.png]```### 替换背景```bash# 纯色背景（支持 hex、rgb、颜色名）python3 {baseDir}/scripts/bg_remove.py replace <input> -c "#FF0000" [-o output.png]python3 {baseDir}/scripts/bg_remove.py replace <input> -c white [-o output.png]# 图片背景python3 {baseDir}/scripts/bg_remove.py replace <input> -i bg.jpg [-o output.png]```### 背景模糊（人像模式）```bashpython3 {baseDir}/scripts/bg_remove.py blur <input> [-r 15] [-o output.png]````-r` 控制模糊半径，值越大越模糊，默认 15。## 输出- 默认输出路径为原文件名加后缀：`_nobg.png`（去除）、`_newbg.png`（替换）、`_blur.png`（模糊）- 所有输出均为 PNG 格式- 使用 `-o` 参数自定义输出路径## 注意事项- 首次运行会自动下载 U2-Net 模型（约 170MB），需要网络- 处理大图可能较慢，建议先缩小再处理- 抠图效果取决于前景与背景的对比度，简洁背景效果更好

Frequently asked questions