thumbnail-creator
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ChineseThumbnail Creator
Thumbnail Creator
Generate professional YouTube thumbnails using AI. This skill connects to the Thumbnail Creator API to create thumbnails, analyze videos, manage creative assets, and generate SEO content.
使用AI生成专业的YouTube缩略图。本Skill对接Thumbnail Creator API,可创建缩略图、分析视频、管理创意资产并生成SEO内容。
Setup
配置步骤
Before using this skill, ensure you have:
- A Thumbnail Creator account at https://app.thumbcraft.io
- An API key from Settings → Developers → API Keys
使用本Skill前,请确保您已准备好:
- 在 https://app.thumbcraft.io 注册的Thumbnail Creator账号
- 从「设置 → 开发者 → API密钥」获取的API密钥
MCP Configuration (Recommended)
MCP配置(推荐)
Add to your Claude Desktop config ( on macOS):
~/Library/Application Support/Claude/claude_desktop_config.jsonjson
{
"mcpServers": {
"thumbnail-creator": {
"url": "https://app.thumbcraft.io/api/mcp",
"headers": {
"Authorization": "Bearer YOUR_API_KEY"
}
}
}
}将以下内容添加到您的Claude Desktop配置文件中(macOS路径:):
~/Library/Application Support/Claude/claude_desktop_config.jsonjson
{
"mcpServers": {
"thumbnail-creator": {
"url": "https://app.thumbcraft.io/api/mcp",
"headers": {
"Authorization": "Bearer YOUR_API_KEY"
}
}
}
}REST API
REST API
Base URL:
https://app.thumbcraft.io/api/v1All requests require the header:
Authorization: Bearer YOUR_API_KEY基础URL:
https://app.thumbcraft.io/api/v1所有请求均需携带以下请求头:
Authorization: Bearer YOUR_API_KEYAvailable Tools
可用工具
Thumbnail Generation
缩略图生成
generate_thumbnail
generate_thumbnailgenerate_thumbnail
generate_thumbnailCreate a thumbnail from a text description.
Parameters:
- (required): Detailed description of the thumbnail
prompt - (optional): YouTube URL for context
youtube_url - (optional): Apply a saved style
style_id - (optional): Array of face IDs to include
face_ids - (optional): Brand ID for colors/logo
brand_id - (optional): "16:9" (default) or "9:16"
aspect_ratio
Best practices for prompts:
- Be specific about composition, colors, and emotions
- Mention text overlays explicitly if needed
- Describe the main subject's expression and pose
- Include background details
Example:
Generate a thumbnail with a surprised man looking at a giant golden trophy.
Bold yellow text says "I WON". Dark gradient background with sparkles.
Photorealistic style, dramatic lighting.根据文本描述生成缩略图。
参数:
- (必填):缩略图的详细描述
prompt - (可选):用于获取上下文的YouTube视频链接
youtube_url - (可选):应用已保存的风格
style_id - (可选):要包含的人脸ID数组
face_ids - (可选):用于配色/Logo的品牌ID
brand_id - (可选):比例,默认"16:9",可选"9:16"
aspect_ratio
提示词最佳实践:
- 明确说明构图、色彩和情绪
- 若需要文字叠加,请明确提及
- 描述主体的表情和姿势
- 包含背景细节
示例:
生成一张缩略图,画面中有一名惊讶的男子看着一个巨大的金色奖杯。
醒目的黄色文字写着“我赢了”。背景为深色渐变并带有闪光效果。
写实风格,戏剧性打光。analyze_video
analyze_videoanalyze_video
analyze_videoAnalyze a YouTube video and get 5 thumbnail concepts with prompts.
Parameters:
- (required): Full YouTube URL
youtube_url
Returns: Video summary and 5 thumbnail concepts with:
- Title and description
- Ready-to-use generation prompt
- Emotional hook explanation
分析YouTube视频,提供5个带提示词的缩略图创意。
参数:
- (必填):完整的YouTube视频链接
youtube_url
**返回内容:**视频摘要及5个缩略图创意,每个创意包含:
- 标题和描述
- 可直接使用的生成提示词
- 情绪钩子说明
Asset Management
资产管理
list_faces
list_faceslist_faces
list_facesGet uploaded face models for personalized thumbnails.
Parameters:
- (optional): Only return trained faces
active_only
获取已上传的人脸模型,用于个性化缩略图。
参数:
- (可选):仅返回已训练完成的人脸
active_only
create_face
create_facecreate_face
create_faceCreate a new face from an image URL. Requires training before use.
Parameters:
- (required): Display name
name - (required): Clear face photo URL
image_url
通过图片URL创建新的人脸模型,使用前需完成训练。
参数:
- (必填):显示名称
name - (必填):清晰的人脸照片链接
image_url
list_styles
list_styleslist_styles
list_stylesGet saved thumbnail styles to apply to generations.
获取已保存的缩略图风格,可应用于生成任务。
list_brands
list_brandslist_brands
list_brandsGet brand assets (logos, colors) for consistent branding.
获取品牌资产(Logo、配色),确保品牌一致性。
list_thumbnails
list_thumbnailslist_thumbnails
list_thumbnailsGet recent generated thumbnails.
Parameters:
- (optional): Number to return (default: 10)
limit
获取最近生成的缩略图。
参数:
- (可选):返回数量(默认:10)
limit
SEO Tools
SEO工具
generate_seo_titles
generate_seo_titlesgenerate_seo_titles
generate_seo_titlesGenerate 10 SEO-optimized video titles from a YouTube URL.
Parameters:
- (required): YouTube video URL
youtube_url
Returns: 10 titles with style labels:
- Search-Driven (keyword-focused)
- Curiosity/Viral (click-driving)
- Authority/Expertise (trust-building)
- Emotional/Story (connection)
- Contrarian/Controversial (attention-grabbing)
根据YouTube视频链接生成10个SEO优化的视频标题。
参数:
- (必填):YouTube视频链接
youtube_url
**返回内容:**10个带风格标签的标题:
- 搜索导向(关键词聚焦)
- 好奇/ viral(吸引点击)
- 权威/专业(建立信任)
- 情感/故事(建立连接)
- 反向/争议(吸引注意力)
generate_seo_description
generate_seo_descriptiongenerate_seo_description
generate_seo_descriptionGenerate a complete video description.
Parameters:
- (required): YouTube video URL
youtube_url
Returns structured description with:
- Hook (2 engaging sentences)
- About This Video (150-200 word summary)
- Key Takeaways (3-5 bullet points)
- Timestamps/Chapters (6-10 sections)
- Notable Quotes (1-2)
- SEO Hashtags (3-5)
生成完整的视频描述。
参数:
- (必填):YouTube视频链接
youtube_url
返回结构化描述,包含:
- 钩子(2句吸引人的句子)
- 视频介绍(150-200字摘要)
- 核心要点(3-5个项目符号)
- 时间戳/章节(6-10个部分)
- 精彩语录(1-2条)
- SEO标签(3-5个)
get_credits
get_creditsget_credits
get_creditsCheck remaining credit balance.
查询剩余信用额度。
Workflows
工作流
Generate Thumbnail from YouTube Video
从YouTube视频生成缩略图
- Call with the YouTube URL
analyze_video - Present the 5 concepts to the user
- Let user pick a concept or provide feedback
- Call with the chosen concept's prompt
generate_thumbnail - Optionally apply a style or include faces
- 调用并传入YouTube视频链接
analyze_video - 向用户展示5个创意选项
- 让用户选择创意或提供反馈
- 使用选中创意的提示词调用
generate_thumbnail - 可选择性应用风格或添加人脸
Create Thumbnails with Consistent Style
创建风格一致的缩略图
- Call to show available styles
list_styles - Let user pick a style or describe a new one
- Call with
generate_thumbnailparameterstyle_id
- 调用展示可用风格
list_styles - 让用户选择风格或描述新风格
- 携带参数调用
style_idgenerate_thumbnail
Full YouTube Optimization
完整YouTube内容优化
- Call for thumbnail concepts
analyze_video - Generate thumbnail with
generate_thumbnail - Call for title options
generate_seo_titles - Call for the description
generate_seo_description - Present complete package: thumbnail + title + description
- 调用获取缩略图创意
analyze_video - 使用生成缩略图
generate_thumbnail - 调用获取标题选项
generate_seo_titles - 调用生成描述
generate_seo_description - 向用户展示完整套餐:缩略图+标题+描述
Tips for Best Results
最佳效果提示
Thumbnail Prompts
缩略图提示词
- Be specific: "A woman with wide eyes and open mouth" > "surprised person"
- Describe lighting: "dramatic side lighting", "soft natural light"
- Mention style: "photorealistic", "3D rendered", "illustrated"
- Include text carefully: Specify exact text, font style, and placement
- Consider contrast: High contrast between subject and background
- 具体明确:“睁大眼睛、张开嘴巴的女性”优于“惊讶的人”
- 描述光线:“戏剧性侧光”、“柔和自然光”
- 提及风格:“写实”、“3D渲染”、“插画风格”
- 谨慎添加文字:明确指定文字内容、字体风格和位置
- 考虑对比度:主体与背景需有高对比度
Using Faces
人脸使用
- Faces must be trained before use (check )
trainingStatus - Use array to include multiple people
face_ids - The AI will match the face to the described expression
- 人脸模型需训练完成后才能使用(查看)
trainingStatus - 使用数组可添加多个人脸
face_ids - AI会将人脸与描述的表情匹配
Using Styles
风格使用
- Styles capture visual aesthetics from reference images
- Great for maintaining channel consistency
- Combine with custom prompts for unique results
- 风格可从参考图中捕捉视觉美学
- 非常适合保持频道风格一致性
- 可结合自定义提示词获得独特效果
Error Handling
错误处理
Common errors:
- : Check API key
401 Unauthorized - : Out of credits
402 Payment Required - : Rate limited, wait and retry
429 Too Many Requests - : Ensure full URL format
Invalid YouTube URL
常见错误:
- :检查API密钥
401 Unauthorized - :信用额度不足
402 Payment Required - :请求超限,请稍后重试
429 Too Many Requests - :确保链接格式完整
Invalid YouTube URL
Credits
信用说明
Operations that consume credits:
- : 1 credit
generate_thumbnail - All other operations: Free
Check balance with before generating.
get_credits消耗信用的操作:
- :1个信用点
generate_thumbnail - 其他所有操作:免费
生成前可调用查询余额。
get_credits