diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 2d02465..342a722 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -6,7 +6,7 @@
   },
   "metadata": {
     "description": "Skills shared by Baoyu for improving daily work efficiency",
-    "version": "0.11.0"
+    "version": "1.0.0"
   },
   "plugins": [
     {
@@ -16,6 +16,7 @@
       "strict": false,
       "skills": [
         "./skills/baoyu-danger-gemini-web",
+        "./skills/baoyu-danger-x-to-markdown",
         "./skills/baoyu-xhs-images",
         "./skills/baoyu-post-to-x",
         "./skills/baoyu-post-to-wechat",
diff --git a/README.md b/README.md
index 11cffde..6c92396 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,28 @@ Interacts with Gemini Web to generate text and images.
 /baoyu-danger-gemini-web --promptfiles system.md content.md --image out.png
 ```
 
+### baoyu-danger-x-to-markdown
+
+Converts X (Twitter) content to markdown format. Supports tweet threads and X Articles.
+
+```bash
+# Convert tweet to markdown
+/baoyu-danger-x-to-markdown https://x.com/username/status/123456
+
+# Save to specific file
+/baoyu-danger-x-to-markdown https://x.com/username/status/123456 -o output.md
+
+# JSON output
+/baoyu-danger-x-to-markdown https://x.com/username/status/123456 --json
+```
+
+**Supported URLs:**
+- `https://x.com/<user>/status/<id>`
+- `https://twitter.com/<user>/status/<id>`
+- `https://x.com/i/article/<id>`
+
+**Authentication:** Uses environment variables (`X_AUTH_TOKEN`, `X_CT0`) or Chrome login for cookie-based auth.
+
 ### baoyu-xhs-images
 
 Xiaohongshu (RedNote) infographic series generator. Breaks down content into 1-10 cartoon-style infographics with **Style × Layout** two-dimensional system.
@@ -290,6 +312,17 @@ This skill uses the Gemini Web API (reverse-engineered).
 - Cookies are cached for subsequent runs
 - No guarantees on API stability or availability
 
+### baoyu-danger-x-to-markdown
+
+This skill uses a reverse-engineered X (Twitter) API.
+
+**Warning:** This is NOT an official API. Use at your own risk.
+
+- May break without notice if X changes their API
+- Account restrictions possible if API usage detected
+- First use requires consent acknowledgment
+- Authentication via environment variables or Chrome login
+
 ## License
 
 MIT
diff --git a/README.zh.md b/README.zh.md
index 1aaedbe..866054e 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -79,6 +79,28 @@ npx add-skill jimliu/baoyu-skills
 /baoyu-danger-gemini-web --promptfiles system.md content.md --image out.png
 ```
 
+### baoyu-danger-x-to-markdown
+
+将 X (Twitter) 内容转换为 markdown 格式。支持推文串和 X 文章。
+
+```bash
+# 将推文转换为 markdown
+/baoyu-danger-x-to-markdown https://x.com/username/status/123456
+
+# 保存到指定文件
+/baoyu-danger-x-to-markdown https://x.com/username/status/123456 -o output.md
+
+# JSON 输出
+/baoyu-danger-x-to-markdown https://x.com/username/status/123456 --json
+```
+
+**支持的 URL：**
+- `https://x.com/<user>/status/<id>`
+- `https://twitter.com/<user>/status/<id>`
+- `https://x.com/i/article/<id>`
+
+**身份验证：** 使用环境变量（`X_AUTH_TOKEN`、`X_CT0`）或 Chrome 登录进行 cookie 认证。
+
 ### baoyu-xhs-images
 
 小红书信息图系列生成器。将内容拆解为 1-10 张卡通风格信息图，支持 **风格 × 布局** 二维系统。
@@ -290,6 +312,17 @@ mkdir -p .baoyu-skills/baoyu-cover-image
 - Cookies 会被缓存供后续使用
 - 不保证 API 的稳定性或可用性
 
+### baoyu-danger-x-to-markdown
+
+此技能使用逆向工程的 X (Twitter) API。
+
+**警告：** 这不是官方 API。使用风险自负。
+
+- 如果 X 更改其 API，可能会无预警失效
+- 如检测到 API 使用，账号可能受限
+- 首次使用需确认免责声明
+- 通过环境变量或 Chrome 登录进行身份验证
+
 ## 许可证
 
 MIT