diff --git a/CLAUDE.md b/CLAUDE.md
index 99bd97b..678d5c2 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -89,7 +89,7 @@ ${BUN_X} skills/baoyu-danger-gemini-web/scripts/main.ts --promptfiles system.md
 
 - **Bun**: TypeScript runtime (native `bun` preferred, fallback `npx -y bun`)
 - **Chrome**: Required for `baoyu-danger-gemini-web` auth and `baoyu-post-to-x` automation
-- **No npm packages**: Self-contained TypeScript, no external dependencies
+- **npm packages (per skill)**: Some skill subprojects include `package.json`/lockfiles and require dependency installation in their own `scripts/` directories
 
 ## Chrome Profile (Unified)
 
diff --git a/README.md b/README.md
index 3022fb7..2c89f8e 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ Simply tell Claude Code:
 |--------|-------------|--------|
 | **content-skills** | Content generation and publishing | [xhs-images](#baoyu-xhs-images), [infographic](#baoyu-infographic), [cover-image](#baoyu-cover-image), [slide-deck](#baoyu-slide-deck), [comic](#baoyu-comic), [article-illustrator](#baoyu-article-illustrator), [post-to-x](#baoyu-post-to-x), [post-to-wechat](#baoyu-post-to-wechat), [post-to-weibo](#baoyu-post-to-weibo) |
 | **ai-generation-skills** | AI-powered generation backends | [image-gen](#baoyu-image-gen), [danger-gemini-web](#baoyu-danger-gemini-web) |
-| **utility-skills** | Utility tools for content processing | [url-to-markdown](#baoyu-url-to-markdown), [danger-x-to-markdown](#baoyu-danger-x-to-markdown), [compress-image](#baoyu-compress-image), [format-markdown](#baoyu-format-markdown), [translate](#baoyu-translate) |
+| **utility-skills** | Utility tools for content processing | [url-to-markdown](#baoyu-url-to-markdown), [danger-x-to-markdown](#baoyu-danger-x-to-markdown), [compress-image](#baoyu-compress-image), [format-markdown](#baoyu-format-markdown), [markdown-to-html](#baoyu-markdown-to-html), [translate](#baoyu-translate) |
 
 ## Update Skills
 
@@ -798,6 +798,21 @@ Format plain text or markdown files with proper frontmatter, titles, summaries,
 | Code/commands | `` `inline` `` or ` ```block``` ` |
 | Quotes | `>` blockquote |
 
+#### baoyu-markdown-to-html
+
+Convert markdown files into styled HTML with WeChat-compatible themes, syntax highlighting, and optional bottom citations for external links.
+
+```bash
+# Basic conversion
+/baoyu-markdown-to-html article.md
+
+# Theme + color
+/baoyu-markdown-to-html article.md --theme grace --color red
+
+# Convert ordinary external links to bottom citations
+/baoyu-markdown-to-html article.md --cite
+```
+
 #### baoyu-translate
 
 Translate articles and documents between languages with three modes: quick (direct), normal (analysis-informed), and refined (full publication-quality workflow with review and polish).
diff --git a/README.zh.md b/README.zh.md
index 6dab992..f078665 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -76,7 +76,7 @@ clawhub install baoyu-markdown-to-html
 |------|------|----------|
 | **content-skills** | 内容生成和发布 | [xhs-images](#baoyu-xhs-images), [infographic](#baoyu-infographic), [cover-image](#baoyu-cover-image), [slide-deck](#baoyu-slide-deck), [comic](#baoyu-comic), [article-illustrator](#baoyu-article-illustrator), [post-to-x](#baoyu-post-to-x), [post-to-wechat](#baoyu-post-to-wechat), [post-to-weibo](#baoyu-post-to-weibo) |
 | **ai-generation-skills** | AI 生成后端 | [image-gen](#baoyu-image-gen), [danger-gemini-web](#baoyu-danger-gemini-web) |
-| **utility-skills** | 内容处理工具 | [url-to-markdown](#baoyu-url-to-markdown), [danger-x-to-markdown](#baoyu-danger-x-to-markdown), [compress-image](#baoyu-compress-image), [format-markdown](#baoyu-format-markdown), [translate](#baoyu-translate) |
+| **utility-skills** | 内容处理工具 | [url-to-markdown](#baoyu-url-to-markdown), [danger-x-to-markdown](#baoyu-danger-x-to-markdown), [compress-image](#baoyu-compress-image), [format-markdown](#baoyu-format-markdown), [markdown-to-html](#baoyu-markdown-to-html), [translate](#baoyu-translate) |
 
 ## 更新技能
 
@@ -798,6 +798,21 @@ AI 驱动的生成后端。
 | 代码/命令 | `` `行内` `` 或 ` ```代码块``` ` |
 | 引用 | `>` 引用块 |
 
+#### baoyu-markdown-to-html
+
+将 Markdown 文件转换为样式化 HTML，支持微信公众号兼容主题、代码高亮，以及可选的外链底部引用。
+
+```bash
+# 基础转换
+/baoyu-markdown-to-html article.md
+
+# 主题 + 颜色
+/baoyu-markdown-to-html article.md --theme grace --color red
+
+# 将普通外链转换为文末引用
+/baoyu-markdown-to-html article.md --cite
+```
+
 #### baoyu-translate
 
 三模式翻译技能：快速（直接翻译）、标准（分析后翻译）、精翻（完整出版级工作流，含审校与润色）。