YouTube SEO Optimizer

Youtube SEO

by kostja94 · MIT license · ★ 1,006 on GitHub

Youtube SEO cover

When the user wants to optimize YouTube videos for search, create video descriptions, or improve channel visibility. Also use when the user mentions "YouTube SEO," "YouTube description," "YouTube tags," "YouTube thumbnail," "YouTube…

---
name: youtube-seo
description: When the user wants to optimize YouTube videos for search, create video descriptions, or improve channel visibility. Also use when the user mentions "YouTube SEO," "YouTube description," "YouTube tags," "YouTube thumbnail," "YouTube title," "YouTube channel," or "video SEO." For YouTube ads, use youtube-ads.
metadata:
  version: 1.1.1
---

# Platforms: YouTube SEO

Guides YouTube video and channel optimization for search and discovery. **Google now prioritizes YouTube video results** in search; YouTube + Reddit comprise ~78% of social media citations in AI Overviews. Title, description, and thumbnail form an interconnected system; channels using systematic keyword strategies see 156% longer view durations, 89% better CTR, and 312% higher search discovery. Use this skill when optimizing videos for YouTube search, Google search, and AI citation. For website-embedded video SEO, see **video-optimization**.

**When invoking**: On **first use**, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On **subsequent use** or when the user asks to skip, go directly to the main output.

## Initial Assessment

**Project context:** Read root `contextus.md` when present and load only the modules relevant to this task. Without Contextus, use available project material or user-provided facts and ask for missing information; do not create a parallel context system.

Identify:

Overview

Guides YouTube video and channel optimization for search and discovery. Google now prioritizes YouTube video results in search; YouTube + Reddit comprise ~78% of social media citations in AI Overviews. Title, description, and thumbnail form an interconnected system; channels using systematic keyword strategies see 156% longer view durations, 89% better CTR, and 312% higher search discovery. Use this skill when optimizing videos for YouTube search, Google search, and AI citation. For website-embedded video SEO, see video-optimization.

What you get

  • Titleoptions (under 60 chars)
  • Description(first 160 chars + full)
  • Tags(relevant set)
  • Thumbnailguidance (elements, text, composition)
Manual install (npx, ZIP)
Claude Codenpx skills add kostja94/marketing-skills --skill youtube-seo -g -a claude-code
Claude Code (degit)npx degit kostja94/marketing-skills/skills/platforms/youtube#main ~/.claude/skills/youtube-seo
Claude.ai / desktopZip the folder and upload it under Settings → Capabilities → Skills.
Codex, Cursor, other agentsPoint them at SKILL.md. The other files are plain text.

Connects with Agent Alley MCP · agentalley.io/mcp

Files included

  • SKILL.md4.0 KB
Read SKILL.md here
kostja94/main1 file shown
SKILL.md
Show the full text86 lines

Platforms: YouTube SEO

Guides YouTube video and channel optimization for search and discovery. Google now prioritizes YouTube video results in search; YouTube + Reddit comprise ~78% of social media citations in AI Overviews. Title, description, and thumbnail form an interconnected system; channels using systematic keyword strategies see 156% longer view durations, 89% better CTR, and 312% higher search discovery. Use this skill when optimizing videos for YouTube search, Google search, and AI citation. For website-embedded video SEO, see video-optimization.

When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.

Initial Assessment

Project context: Read root contextus.md when present and load only the modules relevant to this task. Without Contextus, use available project material or user-provided facts and ask for missing information; do not create a parallel context system.

Identify:

  1. Video type: Tutorial, review, vlog, Shorts
  2. Target keyword: Primary and secondary
  3. Audience: Subscribers vs casual viewers

Video Titles

Rule Guideline
Length Under 60 characters; mobile may show partial
Keyword Primary keyword in first 5–55 characters
Structure Social proof/authority + emotional trigger + primary keyword
Style Conversational; avoid keyword stuffing
Avoid ALL CAPS except emphasis

Video Descriptions

Rule Guideline
First 2–3 sentences Primary and secondary keywords naturally; meta description under 160 chars
Links Website, store, relevant resources
Readability Natural flow; help search understand topic

Tags

  • Help YouTube understand content; titles and descriptions matter more
  • Use relevant tags; avoid over-optimization

Thumbnails

90% of best-performing videos use custom thumbnails.

Rule Guideline
Contrast High contrast; readable fonts; bold colors
Composition Rule of thirds; simple, uncluttered
Audience Consider subscribers vs casual viewers
Test What works evolves; test styles

Title + Description + Thumbnail

Reinforce the same core message across all three; target different algorithm aspects.

Output Format

  • Title options (under 60 chars)
  • Description (first 160 chars + full)
  • Tags (relevant set)
  • Thumbnail guidance (elements, text, composition)

YouTube in Google Search & GEO

Context Implication
Google prioritization YouTube is core search infrastructure; 48.6B monthly visits; video results favored in main SERP, video mode, Discover
AI Overviews YouTube citations surged 25.21% since Jan 2025; instructional (+35.6%), visual demos (+32.5%); long-form (94%) dominates
GEO YouTube + Reddit = ~78% of social media citations; optimize for AI citation. See generative-engine-optimization

Search Engine Land, OtterlyAI

  • video-marketing: Video script, hook, structure
  • video-optimization: Website video SEO; VideoObject; video sitemap; embed optimization
  • youtube-ads: YouTube paid ads (TrueView, Bumper)
  • content-marketing: Video as content format
  • parasite-seo: YouTube as high-authority platform
  • generative-engine-optimization: GEO strategy; YouTube as distribution for AI citation
1---
2name: youtube-seo
3description: When the user wants to optimize YouTube videos for search, create video descriptions, or improve channel visibility. Also use when the user mentions "YouTube SEO," "YouTube description," "YouTube tags," "YouTube thumbnail," "YouTube title," "YouTube channel," or "video SEO." For YouTube ads, use youtube-ads.
4metadata:
5 version: 1.1.1
6---
7 
8# Platforms: YouTube SEO
9 
10Guides YouTube video and channel optimization for search and discovery. **Google now prioritizes YouTube video results** in search; YouTube + Reddit comprise ~78% of social media citations in AI Overviews. Title, description, and thumbnail form an interconnected system; channels using systematic keyword strategies see 156% longer view durations, 89% better CTR, and 312% higher search discovery. Use this skill when optimizing videos for YouTube search, Google search, and AI citation. For website-embedded video SEO, see **video-optimization**.
11 
12**When invoking**: On **first use**, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On **subsequent use** or when the user asks to skip, go directly to the main output.
13 
14## Initial Assessment
15 
16**Project context:** Read root `contextus.md` when present and load only the modules relevant to this task. Without Contextus, use available project material or user-provided facts and ask for missing information; do not create a parallel context system.
17 
18Identify:
191. **Video type**: Tutorial, review, vlog, Shorts
202. **Target keyword**: Primary and secondary
213. **Audience**: Subscribers vs casual viewers
22 
23## Video Titles
24 
25| Rule | Guideline |
26|------|-----------|
27| **Length** | Under 60 characters; mobile may show partial |
28| **Keyword** | Primary keyword in first 5–55 characters |
29| **Structure** | Social proof/authority + emotional trigger + primary keyword |
30| **Style** | Conversational; avoid keyword stuffing |
31| **Avoid** | ALL CAPS except emphasis |
32 
33## Video Descriptions
34 
35| Rule | Guideline |
36|------|-----------|
37| **First 2–3 sentences** | Primary and secondary keywords naturally; meta description under 160 chars |
38| **Links** | Website, store, relevant resources |
39| **Readability** | Natural flow; help search understand topic |
40 
41## Tags
42 
43- Help YouTube understand content; titles and descriptions matter more
44- Use relevant tags; avoid over-optimization
45 
46## Thumbnails
47 
4890% of best-performing videos use custom thumbnails.
49 
50| Rule | Guideline |
51|------|-----------|
52| **Contrast** | High contrast; readable fonts; bold colors |
53| **Composition** | Rule of thirds; simple, uncluttered |
54| **Audience** | Consider subscribers vs casual viewers |
55| **Test** | What works evolves; test styles |
56 
57## Title + Description + Thumbnail
58 
59Reinforce the same core message across all three; target different algorithm aspects.
60 
61## Output Format
62 
63- **Title** options (under 60 chars)
64- **Description** (first 160 chars + full)
65- **Tags** (relevant set)
66- **Thumbnail** guidance (elements, text, composition)
67 
68## YouTube in Google Search & GEO
69 
70| Context | Implication |
71|---------|-------------|
72| **Google prioritization** | YouTube is core search infrastructure; 48.6B monthly visits; video results favored in main SERP, video mode, Discover |
73| **AI Overviews** | YouTube citations surged 25.21% since Jan 2025; instructional (+35.6%), visual demos (+32.5%); long-form (94%) dominates |
74| **GEO** | YouTube + Reddit = ~78% of social media citations; optimize for AI citation. See **generative-engine-optimization** |
75 
76[Search Engine Land](https://searchengineland.com/youtube-seo-ai-overviews-467253), [OtterlyAI](https://otterly.ai/blog/the-youtube-citation-study-2026/)
77 
78## Related Skills
79 
80- **video-marketing**: Video script, hook, structure
81- **video-optimization**: Website video SEO; VideoObject; video sitemap; embed optimization
82- **youtube-ads**: YouTube paid ads (TrueView, Bumper)
83- **content-marketing**: Video as content format
84- **parasite-seo**: YouTube as high-authority platform
85- **generative-engine-optimization**: GEO strategy; YouTube as distribution for AI citation
86 
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Details

License
MIT
Stars on the repo
★ 1,006
Checked
Source
kostja94/marketing-skills ↗
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kostja94 · 106 listings
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