youtube-seo-channel

name	youtube-seo-channel
description	Advanced channel-level YouTube SEO: identity, about, channel keywords, topical authority, playlist session chains, bingeable series structure, channel trailer, community tab strategy, translated metadata, and premiere/upload cadence planning. Use when user says "channel branding", "YouTube about page", "playlists", "channel trailer", or "optimize my channel".
user-invokable	true
argument-hint	[channel-url]
allowed-tools	["Read","Grep","Bash","WebFetch"]

Channel Setup, Authority & Session Strategy (Advanced)

Channels don't rank — topics and videos rank. But channels accumulate topical authority (the algorithm's classification of what the channel is known for), session contribution (how much watch time the channel drives to YouTube overall), and Browse feed friendliness (cadence + freshness). All three are set at the channel level.

What to Analyze

1. Identity

• Handle (@name): ≤30 chars, memorable, brand-aligned, no underscores/numbers if avoidable
• Channel name: ≤30 chars
• Profile picture: 800x800, readable at 48px (subscriber feed size)
• Banner: 2560x1440, safe area 1546x423. Must communicate:
  • Value proposition in one line
  • Upload schedule
  • Social proof (subs, press, awards) if relevant
  • Brand colors + logo
• Watermark subscribe badge: present, positioned last 25% of video
• Channel trailer set for non-subscribers (60-90s, keyword-rich description, strong hook)
• Featured video set for subscribers (latest hero)

2. About Page

• Description: 1,000-5,000 chars. Structure:
  • Elevator pitch (first 150 chars — appears in channel search results)
  • Who the channel is for
  • What viewers will learn / experience
  • Upload schedule
  • Primary + 3-5 secondary keywords naturally placed
  • 5-10 Knowledge Graph entities from the topic cluster for classification
  • Subscribe CTA
• Channel keywords (Studio → Settings → Channel → Basic info): 10 keywords max, most important first, total <500 chars, must overlap with the entities from the description
• Links: 3-5 labeled links (website, social, merch, mailing list, Discord)
• Country: set correctly (regional Browse ranking signal)
• Business email: present
• Contact / inquiries link

3. Topical Authority (most important advanced check)

Cluster the channel's last 25 videos by topic (via title + description

• tag + caption entities). Compute:

• Concentration score (0-100): how focused the channel is on its dominant cluster. Entropy-based.
• Drift: compare the topic mix of the first 10 videos with the most recent 10. Drifting channels lose Browse promotion because the algorithm has to re-classify.
• Topic IDs: from API channels.list?part=topicDetails — report the topics YouTube assigns and whether they match the creator's intended niche.
• Action: recommend consolidation (unlist or playlist off-topic videos), topic focus going forward, and playlist restructuring to reinforce the dominant cluster.

4. Playlists — Session Chain Strategy

Playlists are the primary lever for session watch time (the dominant ranking signal). Audit:

• Count: ≥3 if channel has 10+ videos; ≥1 per topic cluster
• Each playlist:
  • Keyword-rich title ≤60 chars
  • 100-500 char description with primary keyword in line 1
  • Custom thumbnail (where possible)
  • Logical ordering (binge order, not chronological)
  • ≥5 videos (thin playlists look abandoned)
• Series playlists: videos explicitly framed as Episode 1, 2, 3 — these generate the longest sessions
• Session chain design: video A should end-screen to video B; video B should be the first video of a playlist C. Map the intended session flow for the user.
• Playlist as SEO asset: playlists themselves rank in YouTube and Google search ("Best X of 2026" playlists often outrank videos)
• Playlist mix on channel home: organized sections reflecting strategy (not YouTube default order)

5. Channel Home Layout

• Non-subscriber view: channel trailer with persuasive description (keyword-rich, subscribe CTA, value prop)
• Subscriber view: featured video (hero), not a default autoplay
• Sections (customize order):
  1. Popular (social proof)
  2. Active series / playlists (binge path)
  3. Recent uploads (freshness)
  4. Shorts shelf (if the channel posts Shorts)
  5. Topic-based playlist shelves
  6. Live / upcoming (if applicable)

6. Community Tab

• Activity in the last 30 days: ≥4 posts minimum for an active channel
• Mix: polls (highest engagement), images, GIFs, video teasers, links
• Posts should drive to videos or tease upcoming uploads
• Pre-upload polls seed audience anticipation (Browse boost on upload day)
• Reply rate on community posts

7. Upload Cadence & Freshness

• Median days-between-uploads
• Stddev (consistency — lower is better for Browse friendliness)
• Format mix: long-form / Shorts / live / premiere
• Scheduling windows: which days/times does the channel upload? Compare to Studio → Audience → "When your viewers are on YouTube" heatmap
• Premiere usage: Premieres boost first-hour velocity via the waiting room chat and notification

8. Translated Metadata (Custom Channel Translations)

For the top 3-5 audience languages (from Studio → Audience → Top subtitle/CC languages), recommend:

• Translated channel name (if applicable in culture)
• Translated channel description
• Translated titles and descriptions on recent videos
• Translated captions on recent videos

Typical lift: +20-50% international impressions.

9. Verification & Safety

• Verification eligibility (100k+ subs) or brand-account verification
• Monetization status (YPP eligible / in program / limited)
• Active strikes or community-guidelines warnings
• Copyright claim rate on top videos

10. Channel Trailer Script

The trailer is a free ad for the channel to non-subscribers. It must:

• 0-5s: pattern interrupt visual + "If you're the kind of person who [desire/pain], this channel is for you"
• 5-20s: 3 specific promises of what viewers will get
• 20-45s: social proof (subs, press, case study)
• 45-60s: upload schedule + explicit subscribe CTA
• 60-90s: end with the most-rewatched moment from the channel's best-performing video

Output

Channel Score Card

Overall: XX/100

Identity:            XX/100
About Page:          XX/100
Topical Authority:   XX/100   ← most important
Playlists / Chains:  XX/100
Channel Home Layout: XX/100
Community Tab:       XX/100
Cadence / Freshness: XX/100
Translations:        XX/100
Safety / Verification: XX/100

Topical Authority Map

Visualize the channel's topic clusters as a list with concentration %:

Cluster 1 — Topic A (42%)  ████████████░░░░░  [dominant]
Cluster 2 — Topic B (28%)  ████████░░░░░░░░░
Cluster 3 — Topic C (18%)  █████░░░░░░░░░░░░
Off-cluster (12%)          ███░░░░░░░░░░░░░░  [drift]

Concentration score and drift trend.

Paste-Ready Rewrites

• New channel description (full, with entity coverage)
• 10 channel keywords, comma-separated
• 3 playlist title + description rewrites
• Channel trailer script (90s, shot-by-shot)
• Community post ideas (5, one per type)
• Translated metadata for the top 3 audience languages

Session Chain Map

For the user's top 5 videos, propose:

Video A → end-screen → Video B → playlist C (5 videos) → autoplay D

Shows how session time compounds across the channel.

Missing Assets List

Checklist of missing banner dimensions, watermark, links, featured video, trailer, custom channel URL, sections, community posts, etc.

Error Handling

Scenario	Action
Channel keywords not visible publicly	Ask user to paste from Studio → Settings → Channel → Basic info
Channel too small for custom layout	Skip layout section; focus on identity, about, playlists
MFK channel	Skip community tab (disabled); focus on identity and playlists
Multi-topic channel with no clear niche	Flag as critical — recommend splitting into separate channels or consolidating