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Platforms X

  • 9 installs
  • 852 repo stars
  • Updated June 9, 2026
  • kostja94/marketing-skills

Helps with ai & agent building tasks.

About

platforms-x is a Claude Code skill for ai & agent building. It helps you ship faster with AI-assisted development.

  • platforms-x
  • AI & Agent Building
  • AI-coding skill

Platforms X by the numbers

  • 9 all-time installs (skills.sh)
  • Ranked #12,150 of 16,546 AI & Agent Building skills by installs in the Skillselion catalog
  • Data as of Aug 5, 2026 (Skillselion catalog sync)
npx skills add https://github.com/kostja94/marketing-skills --skill platforms-x

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Listed on Skillselion
Installs9
repo stars852
Last updatedJune 9, 2026
Repositorykostja94/marketing-skills

What it does

Helps with ai & agent building tasks.

Files

SKILL.mdMarkdownGitHub ↗

Platforms: X (Twitter)

Guides X post copy creation and optimization. Use for generating publish-ready posts, threads, and content that performs on X. Suitable for copy agents, design agents (image specs), and video agents (video post specs).

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.

Output: Publish-Ready Copy

This skill enables agents to generate X post copy that can be published directly. Output includes character-counted text, thread structure, and platform-compliant formatting.

Character Limits

TypeLimitNotes
Standard post280 charactersMost users
Premium25,000 charactersX Premium subscribers
URLCounts as 23 charst.co shortens all links
Emoji~2 chars eachVaries by emoji

Optimal Lengths (Engagement)

Use CaseCharactersPurpose
General71-100Sweet spot for engagement
Promotional120-130Product/offer posts
Question60-80Drive replies
Retweet-friendly~116Leaves 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)

PartRatioGuideline
Hook10%First 1-2 lines; question, fact, or emotion; ~50 chars
Value70%Practical info; use thread for depth
CTA20%Call for reply, question, or action

End with open question to drive replies. Thread structure can extend impressions ~10x.

Algorithm (Grok AI)

Signal Weights

SignalImpact
RepliesHighest (~54-75x likes); quality > quantity
Author repliesActive reply chains ~75x visibility
Bookmark2026 signal; saves boost recommendation
MediaImages/video ~2x; video 2-4x exposure
External linksReduce score ~50%; prefer internal refs
Post limit5-8/day; >10/day reduces later visibility ~80%

Content: Open questions, controversial views, stories; avoid "RT if agree" bait.

TweepCred

ThresholdEffect
< 65Only last 3 posts enter For You
New accountsNeed +17 to appear in feed
Blue VAuto 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

PracticeGuideline
PenaltyExternal links ~-50%; Regular accounts: link posts 0% engagement since 2025
PlacementPut link in reply, not main post
RatioMax 1 link per 5 posts
PremiumPremium+ safest for links (~0.25-0.3% engagement)
PreviewTitle <60 chars, description <100 chars; 1200x628 image

Premium Impact

TierReachLink posts
Regular<100/post0% engagement
Premium ($8)~600/post~0.25-0.3%
Premium+ ($40)~1550/postSafest 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

TypeShareUse
Value70%Education, how-to, insights
Interaction20%Polls, questions, AMA
Promo10%Product, offers

Twitter Cards + SEO

Cards (og:image, title, description) boost CTR ~64%, engagement ~26%. Use for Social SEO and Programmatic SEO; X traffic can accelerate Google indexing.

Image Specs (for Design Agents)

FormatDimensionsUse
Single image1200×675 (16:9)Best visibility; no crop
Square800×800Single image
Profile400×400Avatar
Header1500×500 (3:1)Banner
File~5MB; JPG/PNGOver 5MB may compress

Output Format

When generating X copy, provide:

1. Post text with character count 2. Hashtags (if used; 1-3 recommended) 3. Thread structure (if thread) 4. Image specs (if design agent needs dimensions)

Related Skills

  • channels-influencer: X is key influencer platform
  • platforms-reddit: Alternative community channel
  • seo-on-page-open-graph, seo-on-page-twitter-cards: OG and Twitter Card tags for X link previews

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