SKILL.md
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Optimal Lengths (Engagement)
Use Case
Characters
Purpose
General
71-100
Sweet spot for engagement
Promotional
120-130
Product/offer posts
Question
60-80
Drive replies
Retweet-friendly
~116
Leaves room for "RT @user:"
Thread Format
- Structure: 3-5 connected posts; number as 1/5, 2/5, etc.
- First post: Strong hook; no "thread" in first line
- Last post: CTA, summary, or question
- Each post: ~80 chars; can stand alone
Post Structure (Hook + Value + CTA)
Part
Ratio
Guideline
Hook
10%
First 1-2 lines; question, fact, or emotion; ~50 chars
Value
70%
Practical info; use thread for depth
CTA
20%
Call for reply, question, or action
End with open question to drive replies. Thread structure can extend impressions ~10x.
Algorithm (Grok AI)
Signal Weights
Signal
Impact
Replies
Highest (~54-75x likes); quality > quantity
Author replies
Active reply chains ~75x visibility
Bookmark
2026 signal; saves boost recommendation
Media
Images/video ~2x; video 2-4x exposure
External links
Reduce score ~50%; prefer internal refs
Post limit
5-8/day; >10/day reduces later visibility ~80%
Content: Open questions, controversial views, stories; avoid "RT if agree" bait.
TweepCred
Threshold
Effect
< 65
Only last 3 posts enter For You
New accounts
Need +17 to appear in feed
Blue V
Auto 100 points
Monitor account health; avoid spam, bulk ops, excessive links.
Distribution
Posts tested in small group first; early interaction (first 30 min) decides reach. Niche consistency helps SimClusters match.
Link Optimization
Practice
Guideline
Penalty
External links ~-50%; Regular accounts: link posts 0% engagement since 2025
Placement
Put link in reply, not main post
Ratio
Max 1 link per 5 posts
Premium
Premium+ safest for links (~0.25-0.3% engagement)
Preview
Title ≤70 chars, description ≤200 chars; 1200×628 image
Premium Impact
Tier
Reach
Link posts
Regular
<100/post
0% engagement
Premium ($8)
~600/post
~0.25-0.3%
Premium+ ($40)
~1550/post
Safest for links
Premium ~10x reach vs Regular. If X is core channel, Premium helps.
Video
- Exposure: 2-4x vs text
- Length: 8-30s short video preferred
- VQV: High video completion boosts score 2-3x
Content Ratio
Type
Share
Use
Value
70%
Education, how-to, insights
Interaction
20%
Polls, questions, AMA
Promo
10%
Product, offers
Twitter Cards + SEO
Cards (og:image, title, description) boost CTR ~64%, engagement ~26%. Use for Social SEO; X traffic can accelerate Google indexing. For programmatic SEO (template + data pages at scale), use programmatic-seo.
Image Specs (for Design Agents)
Format
Dimensions
Use
Single image
1200×675 (16:9)
Best visibility; no crop
Square
800×800
Single image
Profile
400×400
Avatar
Header
1500×500 (3:1)
Banner
File
~5MB; JPG/PNG
Over 5MB may compress
Output Format
When generating X copy, provide:
- Post text with character count
- Hashtags (if used; 1-3 recommended)
- Thread structure (if thread)
- Image specs (if design agent needs dimensions)
Related Skills
- paid-ads-strategy: X (Twitter) Ads for paid promotion; tech audiences, timely content; see Platform Selection
- influencer-marketing: X is key influencer platform
- reddit-posts: Alternative community channel
- programmatic-seo: Programmatic SEO (template + data pages); X traffic can accelerate indexing
- open-graph, twitter-cards: OG and Twitter Card tags for X link previews
- visual-content: Cross-channel visual planning; X image specs in context