Platforms: LinkedIn

Guides LinkedIn post copy creation and optimization. Use for generating publish-ready professional content. Suitable for copy agents and design agents (image 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 LinkedIn post copy optimized for engagement. Output includes character-counted text and structure for the "See more" threshold.

Character Limits

Type	Limit	Notes
Post	3,000 characters	Optimal: 1,300–1,600
First line (critical)	210–235 chars	Visible before "See more"; 60–80% decide here
Short posts	100–200 chars	Polls, announcements, quotes

Optimal Length by Content Type

Type	Characters	Use
Short	100–200	Polls, announcements, quotes
Medium	300–1,200	Case studies, tips, BTS
Long	1,200–2,000	Thought leadership, analysis
Sweet spot	1,300–1,600	Highest engagement
Avoid	>2,000	~35% engagement drop

First Line (Hook)

• Place key message in first 140 chars
• Strong openings: Specific results, pain points, bold claims, surprising stats
• Avoid: Vague teases, hashtag-first, generic greetings

Image Specs (for Design Agents)

Format	Dimensions	Use
Single image	1200×627 (1.91:1)	Feed; link previews
Square	1200×1200	Single image
Carousel	Up to 20 images	Multi-image post
File	≤10 MB; JPG/PNG	Native uploads perform better
Vertical	Preferred	88% browse on mobile

Best Practices

• Mobile-first: 88% users on mobile
• Polls & PDFs: Highest reach
• Post frequency: Weekly minimum for companies
• Alt text: Add for accessibility

Output Format

When generating LinkedIn copy, provide:

1. First line (≤210 chars; hook)
2. Full post with character count
3. Hashtags (3→; end of post)
4. Image specs (if design agent needs dimensions)

Related Skills

• linkedin-ads: Paid promotion on LinkedIn; Sponsored Content, Lead Gen Forms; professional tone aligns with organic posts
• influencer-marketing: LinkedIn influencers for B2B
• about-page-generator: Professional brand alignment
• visual-content: Cross-channel visual planning; LinkedIn image specs in context