56 results available
Sign in
Skills directory

linkedin-post-formatter

github

·

Last changed
Not yet hardened

This version isn't hardened by Chainguard

No hardening report available.


SKILL.md

LinkedIn Post Formatter

Transform raw content, ideas, or technical material into polished, engagement-optimized LinkedIn posts using Unicode typography and proven structural patterns.

Overview

LinkedIn only supports plain text — no Markdown rendering, no rich formatting. This skill uses Unicode Mathematical Alphanumeric Symbols to simulate bold, italic, and bold-italic text that renders natively in the LinkedIn editor without any external tools.

Unicode Typography Reference

Apply these character mappings to create visual emphasis in plain text:

Bold (Mathematical Sans-Serif Bold)

Use bold for key phrases, section headers, and emphasis words.

PlainUnicode Bold

A-Z

𝗔-𝗭

a-z

𝗮-𝘇

0-9

𝟬-𝟵

Italic (Mathematical Sans-Serif Italic)

Use italic for subtle emphasis, technical terms, or quotes.

PlainUnicode Italic

A-Z

𝘈-𝘡

a-z

𝘢-𝘻

Bold-Italic (Mathematical Sans-Serif Bold Italic)

Use sparingly for maximum emphasis.

PlainUnicode Bold-Italic

A-Z

𝙰-𝚉

a-z

𝙖-𝙯

Visual Separators

Use these characters to create visual structure:

  • Section divider: ━━━━━━━━━━━━━━━━━━━━━━ (box-drawing heavy horizontal)
  • Bullet points: ◈ (diamond with dot) or ◎ (bullseye)
  • Arrow flow: ↓ for vertical flow, → for horizontal continuation
  • Sub-points: ↳ for indented sub-items
  • Numbered items: Use bold Unicode digits (apply bold to digits 1, 2, 3, etc. using the character mapping tables above) e.g. 1. 2. 3.

Post Structure Patterns

Pattern 1: Hook → Content → CTA (General Purpose)

[Bold hook line — provocative statement or question]

[1-2 lines of context setting the stage]

━━━━━━━━━━━━━━━━━━━━━━

[Main content with bold section headers]
[Bullet points using ◈ or numbered with bold digits]

━━━━━━━━━━━━━━━━━━━━━━

[Bold takeaway or summary]

[Call to action — repost, comment, or grab resource]

#Hashtags

Pattern 2: Listicle (Numbered Insights)

[Bold opening line with a strong claim]

[Setup line explaining what follows]

1. [Bold item title]
   [Supporting detail]

2. [Bold item title]
   [Supporting detail]

...

The key takeaway: [Summary in italic — apply bold to "The key takeaway:" using the character mapping tables]

#Hashtags

Pattern 3: Story → Lesson (Thought Leadership)

[Italic opening with a personal or observed moment]

[2-3 short paragraphs telling the story]

━━━━━━━━━━━━━━━━━━━━━━

The lesson: [apply bold to "The lesson:" using the character mapping tables]

[Bold lesson or principle extracted from the story]

[CTA]

#Hashtags

Pattern 4: Resource Share (Cheatsheet/Guide/Tool)

[Hook: "If you do X, you cannot miss this..."]

[Brief description of what the resource covers]

━━━━━━━━━━━━━━━━━━━━━━

[Bold section count]. [Bold section titles as numbered list]

━━━━━━━━━━━━━━━━━━━━━━

The real takeaway: [apply bold to "The real takeaway:" using the character mapping tables]

[Why this resource matters — bold key phrase]

[Grab it / Share it CTA]

♻️ Repost if this is useful to your network. [apply bold to "Repost" using the character mapping tables]

#Hashtags

Formatting Rules

  1. Line breaks matter: LinkedIn collapses multiple blank lines. Use single blank lines between paragraphs.
  2. Hook above the fold: The first 2-3 lines must compel the reader to click "see more." Front-load value.
  3. Short paragraphs: 1-3 sentences max per paragraph. Wall of text kills engagement.
  4. Bold sparingly: Bold key phrases and headers, not entire paragraphs.
  5. Italic for nuance: Use italic for technical terms, internal thoughts, or subtle emphasis.
  6. Hashtags at the end: 5-8 relevant hashtags on the last line. No mid-post hashtags.
  7. No emojis in body unless the user explicitly requests them. Exception: one strategic emoji in CTA (♻️ for repost).
  8. Character limit: LinkedIn posts can be up to 3000 characters. Aim for 1500-2500 for optimal engagement.
  9. No URLs in body: LinkedIn suppresses reach for posts with links. Add links in comments instead. Mention "link in comments" or "grab it below" as CTA.

Engagement Optimization

  • Opening hooks that work: Questions, bold claims, "If you do X...", contrarian takes, surprising stats.
  • Closing CTAs that work: "♻️ Repost if..." [apply bold to "Repost" using the character mapping tables], "Save this for later", "Tag someone who needs this", "What's your take? 👇"
  • Whitespace is your friend: Dense text gets scrolled past. Airy, scannable layout wins.
  • The "see more" hook: LinkedIn truncates posts after ~210 characters on desktop. Make sure the first 2 lines create enough curiosity to click.

Process

  1. Analyze the source content (text, HTML, image, or idea).
  2. Identify the best post structure pattern (Hook→Content→CTA, Listicle, Story→Lesson, Resource Share).
  3. Extract the core message and 3-5 key points.
  4. Apply Unicode bold/italic formatting to headers and emphasis words using the character mapping tables in the "Unicode Typography Reference" section above. Do not load any external files.
  5. Add visual separators between sections.
  6. Write a compelling hook for the opening.
  7. Add a CTA and hashtags at the end.
  8. Verify the post is copy-paste ready for LinkedIn.

Install

Need this version hardened?

Harden your own skills

Bring Chainguard's hardening pipeline to your first-party skills — custom rulesets, automated remediation, full audit trail.

Provenance

Upstream source

—

Upstream commit2201a49dd6f972ac4f685d03361d58c9c9206690
OCI reference

—

License

MIT

Files

HARDENING.md

LICENSE

SKILL.md

references/unicode-charmap.md


The trusted source for open source

Talk to an expert
PrivacyTerms

Product

Chainguard ContainersChainguard LibrariesChainguard VMsChainguard OS PackagesChainguard ActionsChainguard Agent SkillsIntegrationsPricing
© 2026 Chainguard, Inc. All Rights Reserved.
Chainguard® and the Chainguard logo are registered trademarks of Chainguard, Inc. in the United States and/or other countries.
The other respective trademarks mentioned on this page are owned by the respective companies and use of them does not imply any affiliation or endorsement.