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Web Image

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whyubel1eve
web-image

用前端渲染生成图片 —— 不依赖模型的多模态能力，任何能写 HTML/CSS 的模型 (DeepSeek / Claude / Kimi / GPT 等) 都能用。 当用户要「生成/做/画一张图」且属于以下任意一种时使用：头像、图标、公众号封面、 OG 分享图、Banner/横幅、小红书封面、知识卡片、金句卡、代码片段图、数据卡、 功能发布图、对比图、步骤图、视频封面/缩略图、幻灯片单页、活动海报、名片、 二维码卡、配图、题图、缩略图、poster、cover、thumbnail、banner、avatar。 也用于：批量出多个尺寸/多平台的同一张图；把一段文字/数据/代码变成图； 给文章配图；做一套风格统一的系列图。 支持指定视觉风格，共 32 套：手绘/涂鸦/白板、黑板、水彩、拼贴/剪贴、博物图鉴、 瑞士国际主义、杂志编辑部、报纸、工程蓝图、档案手稿/打字机、包豪斯、装饰艺术 Art Deco、 双色印刷 Riso、粗野主义、孟菲斯、美漫波普、像素 8-bit、千禧 Y2K、蒸汽波、霓虹赛博朋克、 街头海报/喷漆、日式侘寂、中式水墨、国潮/新中式、终端 CLI、极光渐变、玻璃拟态、 奢侈品黑金、极简产品、电影海报、复古未来 70s、极简线条。 用户没指定时主动报 3~4 个候选让他选；说了库里没有的风格就按四步法拆成 token。 产出一个可预览的画板工作台页面，多种画幅并排展示，点按钮即可导出 PNG (页内零依赖导出 + 本机 Chrome 精确出图两条通道)。 不适用：需要照片级真实内容的图（人像、风景、材质渲染）—— 那需要真正的图像模型。

Overview

Publisherwhyubel1eve
Repositoryweb-image-skill
Skill nameweb-image
Stars
33
Forks
4
Bundled files
16
LicenseMIT
Links
Skill sourceRepository
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • 16 bundled files

    Scripts, templates, and references the model can read while it works. Files are read-only and never executed.

  • Open source

    Published by whyubel1eve on GitHub. Read the source before you install it.

Installation

Install the Web Image AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
    https://github.com/whyubel1eve/web-image-skill/tree/main
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/whyubel1eve/web-image-skill.git \
  .claude/skills/web-image
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Web Image in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Web Image on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Web Image is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

web-image · 用网页生成图片

核心：浏览器就是渲染引擎。用 HTML/CSS 精确描述画面，导出成真实像素的 PNG。 结果可复现、可微调、可版本管理，而且不需要模型有生图能力。

下文的 $SKILL 指本 skill 所在目录。Claude Code 下是 ~/.claude/skills/web-image； 装在别处就替换成实际路径（也可以先 export SKILL=<路径> 再照抄命令）。

流程

1. 定尺寸

问清楚发到哪（公众号？小红书？X？做封面还是头像？），然后查 references/formats.md 取预设像素。 用户没说就默认 og 1200×630；说"多个平台"就并排出多张画板，不要做"通用图"。

2. 选场景配方

在 references/scenes.md 找对应场景，照它的画面结构和文案字数上限来。 文案先压到额度内，再排版——这一步决定了成图好不好看。

3. 定风格（这一步决定成图是"设计"还是"模板"）

用户指定了风格 —— 在 references/styles.md 里按 slug 或别名对号入座， 照抄它的 token 和签名手法。签名手法是这套风格的辨识度所在，色值只是入场券，不能只换颜色。 每套还标了「常用画幅」——用户没指定尺寸时优先按它来，风格和画幅是配套的。

用户没指定 —— 不要默认套一个，也不要报全表。从 styles.md 末尾的「推荐话术」里 挑 3~4 个跟他内容气质最近的，一句话一个报出去让他选。比如做技术内容就报 「工程蓝图 / 终端 / 瑞士国际主义 / 粗野主义」，做生活方式就报 「日式侘寂 / 杂志编辑部 / 档案手稿 / 中式水墨」。用户说"你看着办"再自己定。

用户描述了一个库里没有的风格（"像 A24 电影海报"、"我们品牌是这样的"）—— 按 styles.md 末尾的四步法把参照物拆成 token：取 4 个色 / 定字体反差 / 找签名手法 / 定留白比例。

选定后照 references/design.md 实现：中文排版、构图、高级感技法、纹理配方都在那里， 最后对照文末的「AI 味清单」自查。

4. 生成工作台页面

bash
mkdir -p out && cp $SKILL/assets/{studio.css,studio.js,export.js} out/

以 assets/studio.html 为骨架写 out/index.html：:root 里放主题变量，每张图一个 .wi-card。

画板契约（不要改）：

html
<section class="wi-card" id="cover" data-w="1200" data-h="630" data-file="og-cover">
  <div class="wi-head">
    <span class="wi-name">OG 分享图</span>
    <span class="wi-use">用于: 微信/Slack 链接预览</span>
  </div>
  <div class="wi-frame"><div class="board og">…画面…</div></div>
</section>
  • data-w/data-h = 真实导出像素，必填。
  • 不要在 CSS 里给 .board 写 width/height，脚本会按 data 属性设置。
  • 画面样式写在页面自己的 <style> 里，studio.css 只管工作台外壳。

5. 展示 + 导出

用浏览器打开 out/index.html（本会话可用 preview 工具，或 open out/index.html）。 页面顶部有：缩放、构图网格、全部导出 1x/2x；每张画板有：导出 2x / 1x / 复制到剪贴板。

需要最终稿或批量出图：

bash
node $SKILL/scripts/shot.mjs out/index.html --scale 2

要把出好的图拼成一张总览（作品集、系列合集）：

bash
node $SKILL/scripts/contact.mjs out/png/*.png --cols 5 --label

导出安全清单（写代码时就要遵守）

页内导出走 SVG foreignObject，所以：

  • ✅ 用系统字体栈（references/design.md 里有现成的）
  • ✅ 图形用 CSS 渐变 / 内联 <svg> / 伪元素 / emoji
  • ❌ 不用外链图片（要用就转 data URI）
  • ❌ 不用外链 webfont（要用就 base64 内嵌进 <style id="export-fonts">）
  • ❌ 不用 backdrop-filter

违反了也不会崩——页面会提示，并且 shot.mjs 那条通道照样能出图。详见 references/export.md。

出图前自检

  1. 这套风格的签名手法做出来了吗？（只换了颜色不算）
  2. 把预览缩到 15% 看一眼——信息流里就是这个大小，主标题读得出来吗？
  3. 主标题和最小字号差 5 倍了吗？
  4. 有一个明确的焦点，还是一堆东西一样大？
  5. 边距是短边的 6%~9% 吗？关键信息避开了平台遮挡区（见 formats.md 的安全区）吗？
  6. 中文标题是手动 <br> 断的吗？（max-width:…ch 对 CJK 会算错一倍，容易折出孤字）
  7. 文案是具体的，还是"赋能/提升效率"这种空话？

参考文件

文件什么时候读
references/formats.md定尺寸时。全部预设像素、各平台安全区、打印换算
references/scenes.md定内容时。16 种高频场景的结构、字数上限、翻车点
references/styles.md定风格时。32 套风格：出身、气质、token、签名手法、适用场景，末尾有推荐话术
references/design.md实现时。中文排版、构图、高级感技法、纹理与有机形配方、AI 味清单
references/export.md导出出问题时。两条通道对比、限制、排错表
examples/styles.html需要看风格长什么样时。32 套各用最擅长的画幅 + 真实场景文案，7 种画幅，可直接打开对比和导出
examples/index.html需要多画幅范例时。1:1 / 2.35:1 / 5:2 / 3:4 四种画幅

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

Frequently asked questions

What does the Web Image AI skill do?

用前端渲染生成图片 —— 不依赖模型的多模态能力，任何能写 HTML/CSS 的模型 (DeepSeek / Claude / Kimi / GPT 等) 都能用。 当用户要「生成/做/画一张图」且属于以下任意一种时使用：头像、图标、公众号封面、 OG 分享图、Banner/横幅、小红书封面、知识卡片、金句卡、代码片段图、数据卡、 功能发布图、对比图、步骤图、视频封面/缩略图、幻灯片单页、活动海报、名片、 二维码卡、配图、题图、缩略图、poster、cover、thumbnail、banner、avatar。 也用于：批量出多个尺寸/多平台的同一张图；把一段文字/数据/代码变成图； 给文章配图；做一套风格统一的系列图。 支持指定视觉风格，共 32 套：手绘/涂鸦/白板、黑板、水彩、拼贴/剪贴、博物图鉴、 瑞士国际主义、杂志编辑部、报纸、工程蓝图、档案手稿/打字机、包豪斯、装饰艺术 Art Deco、 双色印刷 Riso、粗野主义、孟菲斯、美漫波普、像素 8-bit、千禧 Y2K、蒸汽波、霓虹赛博朋克、 街头海报/喷漆、日式侘寂、中式水墨、国潮/新中式、终端 CLI、极光渐变、玻璃拟态、 奢侈品黑金、极简产品、电影海报、复古未来 70s、极简线条。 用户没指定时主动报 3~4 个候选让他选；说了库里没有的风格就按四步法拆成 token。 产出一个可预览的画板工作台页面，多种画幅...

Why use Web Image on TypingMind?

Because you install it once and use it with any model. Web Image is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Web Image in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/whyubel1eve/web-image-skill/tree/main. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Web Image?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Web Image?

As many as you like. As long as a model supports skills, you can use Web Image with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Web Image AI skill free?

Yes. It is published on GitHub by whyubel1eve under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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