重要前提
安装AI Skills的关键前提是:必须科学上网,且开启TUN模式,这一点至关重要,直接决定安装能否顺利完成,在此郑重提醒三遍:科学上网,科学上网,科学上网。查看完整安装教程 →
thumbnail by kenneth-liao/ai-launchpad-marketplace
npx skills add https://github.com/kenneth-liao/ai-launchpad-marketplace --skill thumbnail此技能能够生成高性能的缩略图和封面图片,并针对点击率(CTR)进行优化。缩略图旨在激发好奇心、补充标题,并促使观看者点击。
所有图片生成和编辑都通过 creator-stack:nanobanana 技能进行——它提供了对 Gemini 图像模型(Pro 和 Flash)的访问,支持文生图、图像编辑、多图像参考和高分辨率输出。在生成或编辑任何缩略图之前,请先调用它。
经验法则:使用 Flash 进行探索批次(生成 5-10 个变体),然后使用 Pro 生成最终的生产图像。
在生成任何缩略图之前,请阅读以下两份文档——它们包含了设计模式和提示技巧,这些是区分普通图像和高点击率缩略图的关键:
references/thumbnail-formulas.md —— 通过经过验证的策略实现高点击率缩略图的设计公式。这些原则在所有平台上普遍适用。references/prompting-guidelines.md —— 缩略图是使用 Gemini 图像模型(NanoBanana)生成的。提示指南可帮助您获得更可预测和一致的结果。跳过这些会导致缩略图变得普通,不遵循经过验证的模式——请务必首先加载它们。
当由编排器技能调用时,可能会提供特定于平台的上下文(尺寸、安全区域、格式要求)。使用提供的上下文来设置正确的输出尺寸和约束。
默认尺寸: 当未提供平台上下文时,默认使用 YouTube 缩略图尺寸(1280x720,16:9 宽高比)。
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常见平台尺寸:
生成前请务必确认目标平台,以确保尺寸正确。
无论是生成还是编辑缩略图,您都可以包含参考图像。示例包括但不限于缩略图模板、头像、图标、徽标或用于风格迁移的图像。更多信息请参阅上面的提示指南。
所有参考图像必须使用绝对路径传递。
如果使用公司徽标,请通过传递图像文件的绝对路径来使用实际图像,而不是简单地描述它们。Nanobanana 不知道常见公司徽标的样子。
如果本地没有公司徽标,您可以在线搜索并使用 curl 下载它,然后在提示中传递下载图像的绝对路径。将所有下载的图像保存到 ./downloads/,如果该目录不存在,请创建它。
错误:"创建 Claude AI 徽标(一个橙色的 C 形)" 正确:将实际的徽标文件作为参考图像传递
错误:"添加 Python 徽标" 正确:使用 /absolute/path/to/python-logo.png 作为参考图像
如果您知道内容标题或主题,请搜索相关的 OUTLIER 内容。专注于 OUTLIERS,因为它们已经被证明效果很好,并且很可能具有很高的点击率。如果视频的观看量与频道的订阅者数量相比很高,那么该视频就是异常值。例如,如果一个视频的观看量超过 10,000 次,而频道的订阅者不到 5,000,那么该视频就是一个异常值。
一旦您有了异常值视频列表,就可以访问它们的缩略图并将其用于风格迁移。
这是一个视频 ID 为 "rmvDxxNubIg" 的标准清晰度缩略图的 URL 示例:https://img.youtube.com/vi/rmvDxxNubIg/sddefault.jpg。您可以使用 curl 将图像下载到 ./downloads/outliers/,然后读取图像文件以了解它。在进行风格迁移时,将其用作参考图像。
在为 The AI Launchpad 创建视觉资产时,请调用 creator-stack:brand-guidelines 来解析正确的设计系统并检查反模式。这确保所有缩略图与既定的品牌标识、配色方案和视觉风格保持一致。
对于其他品牌,请检查 ~/.claude/skills/ 是否存在品牌指南技能,并应用任何相关的设计约束。
一旦您生成了初始的缩略图概念或提示,请使用 Thumbnail Reviewer 代理来审查该概念并提供反馈。审查者将提供批评并建议改进。在继续之前,请考虑审查者的反馈并将其纳入。将生成-审查-重新生成的循环限制为单次——额外的迭代会产生递减的回报,并且审查者的第一次批评抓住了最具影响力的变化。
因为 creator-stack:nanobanana 支持图像编辑,所以您可以迭代地修改和改进先前生成的缩略图。将原始缩略图作为参考图像传递,并描述所需的更改。
始终审查生成的缩略图,以确保它们符合完整的设计公式和原始意图。如果不符合,您可以通过编辑原始缩略图进行迭代。将生成-审查-重新生成的循环限制为单次——额外的迭代会产生递减的回报,并且审查者的第一次批评抓住了最具影响力的变化。
如果用户在本地上下文中指定了任何本地资产(例如缩略图模板、头像、图标、徽标等),请在相关时倾向于将其纳入缩略图中。例如,包含真实人物的缩略图已被证明效果更好。
每周安装次数
55
仓库
GitHub 星标数
123
首次出现时间
2026年2月19日
安全审计
安装于
opencode54
cursor54
codex52
gemini-cli52
github-copilot52
amp50
This skill enables generation of high-performing thumbnails and cover images optimized for click-through rate (CTR). Thumbnails are designed to spark curiosity, complement titles, and compel viewers to click.
All image generation and editing goes through the creator-stack:nanobanana skill — it provides access to Gemini image models (Pro and Flash) with support for text-to-image, image editing, multi-image reference, and high-resolution output. Invoke it before generating or editing any thumbnail.
Rule of thumb : Use Flash for exploration batches (generate 5-10 variations), then Pro for the final production image.
Read both of these before generating any thumbnail — they contain the design patterns and prompting techniques that make the difference between a generic image and a high-CTR thumbnail:
references/thumbnail-formulas.md — Design formulas for high CTR thumbnails through proven strategies. These principles apply universally across platforms.references/prompting-guidelines.md — Thumbnails are generated using Gemini image models (NanoBanana). The prompting guidelines help you get more predictable and consistent results.Skipping these leads to generic thumbnails that don't follow proven patterns — always load them first.
When invoked by orchestrator skills, platform-specific context (dimensions, safe zones, format requirements) may be provided. Use the provided context to set the correct output dimensions and constraints.
Default dimensions: When no platform context is given, default to YouTube thumbnail dimensions (1280x720, 16:9 aspect ratio).
Common platform dimensions:
Always confirm the target platform before generating to ensure correct dimensions.
With both generating and editing thumbnails, you can include reference images. Examples include but are not limited to thumbnail templates, headshots, icons, logos, or images for style transfer. See the Prompting Guidelines above for more.
All reference images MUST be passed using absolute paths.
If using company logos, use actual images by passing the absolute path to the image files instead of simply describing them. Nanobanana does not know what common company logos look like.
If a company logo is not locally available, you can search for it online and download it using curl, then pass the absolute path to the downloaded image in the prompt. Save all downloaded images to ./downloads/, making the directory if it does not exist.
WRONG : "create the Claude AI logo (an orange C shape)" CORRECT : Pass the actual logo file as a reference image
WRONG : "add the Python logo" CORRECT : Use /absolute/path/to/python-logo.png as a reference image
If you know the content title or subject, search for related OUTLIER content. Focus on OUTLIERS because they are already proven to work well and very likely have high click-through rates. Videos are outliers if they have a high amount of views compared to the subscriber count of the channel. For example, if a video has 10,000+ views from a channel with less than 5,000 subscribers, that video is an outlier.
Once you have a list of outlier videos, you can access their thumbnails and use them to style transfer.
Here is a URL example of a standard definition thumbnail for a video with id "rmvDxxNubIg": https://img.youtube.com/vi/rmvDxxNubIg/sddefault.jpg. You can download the image using curl to ./downloads/outliers/, and then read the image file to understand it. Use it as a reference image when using for style transfer.
When creating visual assets for The AI Launchpad, invoke creator-stack:brand-guidelines to resolve the correct design system and check anti-patterns. This ensures all thumbnails are consistent with the established brand identity, color palette, and visual style.
For other brands, check if a brand guidelines skill exists at ~/.claude/skills/ and apply any relevant design constraints.
Once you have generated an initial thumbnail concept or prompt, use the Thumbnail Reviewer agent to review the concept and provide feedback. The reviewer will provide a critique and suggest improvements. Consider the reviewer's feedback and incorporate it before proceeding. Limit the generate-review-regenerate loop to a single pass — additional iterations yield diminishing returns and the reviewer's first critique captures the most impactful changes.
Because creator-stack:nanobanana supports image editing, you can iteratively modify and improve a previously generated thumbnail. Pass the original thumbnail as a reference image and describe the desired changes.
Always review generated thumbnails to ensure they meet the complete design formulas and original intent. If not, you can iterate by editing the original thumbnail. Limit the generate-review-regenerate loop to a single pass — additional iterations yield diminishing returns and the reviewer's first critique captures the most impactful changes.
If the user has specified any local assets (e.g. thumbnail templates, headshots, icons, logos, etc.) in their local context, bias towards incorporating them into the thumbnail when relevant. For example, thumbnails with actual people in them have been shown to perform better.
Weekly Installs
55
Repository
GitHub Stars
123
First Seen
Feb 19, 2026
Security Audits
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Installed on
opencode54
cursor54
codex52
gemini-cli52
github-copilot52
amp50
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