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在 OpenClaw 中安装
/install web-render-screenshot
功能描述
Generate ultra-high-resolution screenshots from HTML content using Playwright. Default 4x device scale factor produces crisp, pixel-perfect output ideal for...
安全使用建议
This skill appears to do what it says: render HTML to high-resolution images. Before installing/use: (1) Be prepared to install Playwright and run 'playwright install chromium' and optionally Pillow; the skill does not declare these dependencies formally. (2) Rendering remote or untrusted HTML will execute that page's JavaScript inside headless Chromium and may cause network requests—avoid rendering sensitive pages or pages that require logged-in sessions unless you understand the risk. (3) The script writes output files to disk (ensure sufficient disk/CPU for large images). (4) If you need stricter guarantees, review the script (it's small and readable) and consider running it in an isolated environment/container to limit side effects.
功能分析
Type: OpenClaw Skill
Name: web-render-screenshot
Version: 1.0.0
The skill is a legitimate utility for generating high-resolution screenshots from HTML content or URLs using the Playwright library. The Python script (`scripts/screenshot.py`) and the agent instructions (`SKILL.md`) are transparent, well-documented, and align perfectly with the stated purpose of rendering UI mockups and data visualizations. No indicators of malicious intent, data exfiltration, or prompt injection were found.
能力评估
Purpose & Capability
Name/description describe converting HTML to high-resolution screenshots. The included script uses Playwright Chromium and Pillow (optional) to produce PNG/JPEG output, which is directly aligned with the stated purpose. No unrelated credentials, binaries, or capabilities are requested.
Instruction Scope
SKILL.md and the script limit actions to loading HTML (file:// or http/https), rendering in headless Chromium, waiting, and saving an image. There are no instructions to read unrelated system files, access secrets, or transmit captures to third-party endpoints. The guidance to use Telegram's --force-document is platform-specific but expected for delivery.
Install Mechanism
This is an instruction-only skill with no install spec. The runtime requires Python packages (playwright and its browser install step; PIL/Pillow is optional). The SKILL.md and script mention how to install Playwright but do not declare dependencies formally—this is not malicious but is a missing packaging detail you should be prepared to handle (pip install playwright; playwright install chromium; pip install pillow if you want image metadata).
Credentials
No environment variables, credentials, or config paths are requested or accessed. The script does not read secrets or external credentials.
Persistence & Privilege
The skill does not request persistent/system privileges and does not set always:true. It only runs when invoked and does not modify other skills or global agent settings.
如何使用
- 确保已安装 OpenClaw（本地或 Docker 部署）
- 在对话框中输入安装命令：
/install web-render-screenshot - 安装完成后，直接呼叫该 Skill 的名称或使用
/web-render-screenshot触发 - 根据 Skill 的参数说明提供必要输入，即可获得结构化输出
版本历史
v1.0.0
HTML超高清截图技能, Playwright 4x渲染, 默认7680x4320分辨率, 适合网页UI/数据可视化/文字密集型图片
元数据
常见问题
Web Render Screenshot 是什么？
Generate ultra-high-resolution screenshots from HTML content using Playwright. Default 4x device scale factor produces crisp, pixel-perfect output ideal for... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 78 次。
如何安装 Web Render Screenshot？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install web-render-screenshot」即可一键安装，无需额外配置。
Web Render Screenshot 是免费的吗？
是的，Web Render Screenshot 完全免费，采用 MIT-0 许可证，可自由下载、安装和使用。
Web Render Screenshot 支持哪些平台？
Web Render Screenshot 跨平台运行，可在任意部署了 OpenClaw / Claude Code 的环境中使用（cross-platform）。
谁开发了 Web Render Screenshot？
由 Garming（@wujiaming88）开发并维护，当前版本 v1.0.0。
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