summarize_video_story
Extract story summaries and key content from YouTube Shorts videos by analyzing titles, descriptions, themes, and narrative techniques.
Instructions
提炼 YouTube Shorts 视频的故事梗概和核心内容。基于视频标题和描述,分析视频的主题、情节和创作手法。
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| video_url | Yes | YouTube Shorts 视频链接 |
Implementation Reference
- src/server.py:575-646 (handler)Main handler function for summarize_video_story tool. Extracts video ID, fetches video details via YouTubeClient, and formats the video information (title, channel, stats, description) into a structured text response for Claude to analyze and summarize.
async def summarize_video_story(video_url: str) -> list[TextContent]: """ 工具 4 的实现:提炼视频故事梗概 这个工具的巧妙之处: 1. 我们只负责获取视频的标题和描述 2. 将这些信息返回给 Claude 3. Claude 会自动分析并提炼故事梗概 4. 用户看到的是 Claude 基于视频信息生成的分析 """ try: # 提取视频 ID video_id = extract_video_id(video_url) if not video_id: return [TextContent( type="text", text=f"❌ 无效的 YouTube 链接: {video_url}" )] # 获取视频详情 client = YouTubeClient() videos = client.get_video_details([video_id]) if not videos: return [TextContent( type="text", text=f"❌ 未找到视频: {video_id}" )] video = videos[0] # 构建视频信息文本,供 Claude 分析 info = f"""# 视频信息 **标题**: {video.title} **频道**: {video.channel_name} **发布时间**: {video.published_at.strftime('%Y-%m-%d %H:%M UTC')} **播放量**: {video.views:,} **点赞数**: {video.likes:,} **评论数**: {video.comments:,} **视频链接**: {video.url} --- ## 视频描述 {video.description if video.description else '(该视频没有描述)'} --- **请基于以上信息,分析这个视频的:** 1. 主题和核心内容 2. 可能的故事情节或创作手法 3. 为什么这个视频可能受欢迎 4. 适合什么样的观众群体 """ return [TextContent(type="text", text=info)] except Exception as e: return [TextContent( type="text", text=f"❌ 获取视频信息失败: {str(e)}" )] - src/server.py:235-251 (registration)Tool registration in list_tools() function. Defines the tool name 'summarize_video_story', description for Claude, and the inputSchema requiring a 'video_url' parameter.
Tool( name="summarize_video_story", description=( "提炼 YouTube Shorts 视频的故事梗概和核心内容。" "基于视频标题和描述,分析视频的主题、情节和创作手法。" ), inputSchema={ "type": "object", "properties": { "video_url": { "type": "string", "description": "YouTube Shorts 视频链接" } }, "required": ["video_url"] } ), - src/server.py:344-347 (registration)Call routing in call_tool() function. Routes tool calls with name='summarize_video_story' to the summarize_video_story handler function, passing the video_url argument.
elif name == "summarize_video_story": return await summarize_video_story( video_url=arguments["video_url"] ) - src/server.py:104-117 (helper)Helper function extract_video_id() used by summarize_video_story to parse YouTube URLs and extract the video ID using regex patterns for different YouTube URL formats.
def extract_video_id(url: str) -> Optional[str]: """从 YouTube URL 中提取视频 ID""" patterns = [ r'youtube\.com/shorts/([a-zA-Z0-9_-]+)', r'youtube\.com/watch\?v=([a-zA-Z0-9_-]+)', r'youtu\.be/([a-zA-Z0-9_-]+)', ] for pattern in patterns: match = re.search(pattern, url) if match: return match.group(1) return None