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→,600
First line (critical)	210–235 chars	Visible before "See more"; 60–80% decide here
Short posts	100→00 chars	Polls, announcements, quotes

Optimal Length by Content Type

Type	Characters	Use
Short	100→00	Polls, announcements, quotes
Medium	300→,200	Case studies, tips, BTS
Long	1,200→,000	Thought leadership, analysis
Sweet spot	1,300→,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	→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:

First line (→10 chars; hook)
Full post with character count
Hashtags (3→; end of post)
Image specs (if design agent needs dimensions)

Related Skills

channels-influencer: LinkedIn influencers for B2B
pages-about: Professional brand alignment

platforms-linkedin