首页 › 龙虾技能列表 › 一键生成PPT截图和缩略图工具，MAC版本 — 技能工具

一键生成PPT截图和缩略图工具，MAC版本 — 技能工具

v1.0.1

自动将Mac版PPT转换为每页PNG截图及每6页缩略拼接图，支持自定义DPI和布局，自动分目录管理。

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by @zhaoxm8023·MIT-0
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License
MIT-0
最后更新
2026/4/10
安全扫描
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OpenClaw
可疑
medium confidence
The tool mostly does what it says (convert Mac PPT → PNG pages and create thumbnail mosaics), but documentation asks for WeChat credentials that the code never uses and there are other minor inconsistencies — review before supplying any secrets or running on sensitive files.
评估建议
This skill's code is straightforward and performs local file conversions; it does not perform network calls or exfiltrate data. However, SKILL.md asks you to provide WeChat credentials (wechat_appid / wechat_appsecret) even though the included Python script does not use them — do NOT supply any secrets into config.json unless you understand exactly why they are needed. Before running: (1) inspect and edit config.json to point to safe input/output paths (remove any paths left by the author), (2) ...
详细分析 ▾
⚠ 用途与能力
The code (ppt2png.py) implements the stated purpose: convert PPT → PDF with LibreOffice, PDF → PNG with Ghostscript, then assemble thumbnails. However SKILL.md asks the user to provide wechat_appid/wechat_appsecret/wechat_author in config.json even though neither config.json nor the Python code reference or use any WeChat fields. That mismatch is unexplained and atypical for this purpose.
⚠ 指令范围
Runtime instructions are generally scoped to reading config.json and processing the PPT; there are no network calls or file reads beyond the configured ppt and output directories. But SKILL.md instructs the user to add WeChat credentials to config.json (and to supply them), which the runtime does not use — this is scope creep and could be a leftover or misleading instruction. Also SKILL.md and config.json show absolute user paths; verify before running on a machine with different paths.
✓ 安装机制
This is an instruction-only skill with a local Python script; there is no install specification. The SKILL.md asks to install ghostscript via brew and pillow via pip3 (reasonable and expected). No remote downloads or archive extraction are specified.
⚠ 凭证需求
The skill declares no required environment variables or credentials, but SKILL.md asks the user to supply wechat_appid and wechat_appsecret. Because the code does not use them, asking for secrets is disproportionate and unexplained. The provided config.json contains example absolute paths (pointing to a user's Desktop) — treat these as placeholders and update them to safe paths.
✓ 持久化与权限
The skill does not request permanent presence (always:false) and does not modify other skills or system-wide agent settings. It only writes output files into configured output folders and a thumbnails subfolder.
安全有层次，运行前请审查代码。

License

MIT-0

可自由使用、修改和再分发，无需署名。

运行时依赖

无特殊依赖

版本

latestv1.0.12026/3/3

ppt2png v1.0.1 - Renamed main script from Pdftp.py to ppt2png.py. - Updated SKILL.md with clearer input instructions and configuration details, including new options for setting WeChat app credentials. - Thumbnail settings now default to 3 rows × 3 columns, configurable via config.json. - Outlines main workflow and required dependencies. - Removed unused PICS2PDF.py file.

● 可疑

安装命令 点击复制

官方npx clawhub@latest install ppt2png
镜像加速npx clawhub@latest install ppt2png --registry https://cn.clawhub-mirror.com

技能文档

ppt2png

1、提示词输入：

mac系统某路径下某名字的PPT自动按页生成每一张截图和缩略图 例如：MAC系统，XXX路径下XXXPPT，帮我生成图片和3行3列的缩略图

2、config.json配置说明：

路径赋值给config.json 下的 ppt_dir

名字赋值给ppt_file

需要用户说明自己的wechat_appid，wechat_appsecret

微信公众号如需更改作者也可以更改：wechat_author

3、skill实现说明：

基于PPT → PDF（使用 LibreOffice） PDF → 每页 PNG（使用 Ghostscript） 每 9张图片生成 1 张缩略拼接图（3列 × 3行），可通过调整thumbnail_cols列，thumbnail_rows行来实现 兼容 Python 3.6

4、需要提前安装： brew install ghostscript pip3 install pillow

5、工作流程

主程序：ppt2png.py

配置文件：config.json

自动读取配置

支持修改 DPI、列数、行数、LibreOffice 路径、gs 路径

针对config.json 如果 which gs 输出是： /opt/homebrew/bin/gs

就改成：

"ghostscript_path": "/opt/homebrew/bin/gs"

数据来源：ClawHub ↗ · 中文优化：龙虾技能库
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