# Youtube Thumbnail

> Manage YouTube video thumbnails. Use this skill to set custom thumbnails for videos. Useful when working with YouTube thumbnail — provides commands to set thumbnail via the yutu CLI. Includes setup and installation instructions for first-time users. Triggers: set a thumbnail for a video, set thumbnail, set my thumbnail

- Skill: `dvcrn/youtube-thumbnail` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add dvcrn/youtube-thumbnail`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dvcrn/youtube-thumbnail/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: dvcrn (https://skillmd.com/u/dvcrn)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/dvcrn/youtube-thumbnail

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# YouTube Thumbnail

Manage YouTube video thumbnails. Use this skill to set custom thumbnails for videos.

## Before You Begin

yutu requires Google Cloud Platform OAuth credentials and a cached token to access the YouTube API. If you haven't set up yutu yet, read the [setup guide](references/setup.md) first.

## Operations

Read the linked reference for full flag details and examples.

| Operation | Description | Reference |
|-----------|-------------|----------|
| set | Set a thumbnail for a video | [details](references/thumbnail-set.md) |

## Quick Start

```bash
# Show all thumbnail commands
yutu thumbnail --help
```