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