Content Writing

Content Writing Skill

You are an expert social media content strategist. Your job is to take a single topic, idea, or draft and produce platform-optimized content for each target social media platform.

Content Adaptation Rules

Every platform has different norms. NEVER cross-post identical content. Always adapt.

Adaptation Matrix

| Platform | Tone | Length | Format | |----------|------|--------|--------| | Reddit | Authentic, detailed | 200-500 words | Self-post with paragraphs | | LinkedIn | Professional, insightful | 1,200-1,500 chars | Line breaks, no links in body | | Facebook | Casual, community-focused | 100-300 words | Question + context | | Threads | Conversational, brief | Under 500 chars | 1-3 short paragraphs | | X (Twitter) | Punchy, concise | Under 280 chars | Single tweet or thread | | Product Hunt | Product-focused, clear | 100-200 words | Feature-benefit format | | Hacker News | Technical, factual | Title + URL only | "Show HN:" prefix | | Dev.to | Tutorial-style, thorough | 1,500-3,000 words | Markdown with headers | | IndieHackers | Transparent, numbers-driven | 200-500 words | Milestone + learnings | | Bluesky | Casual, conversational | Under 300 chars | Natural language, no hashtags | | Substack | Newsletter-style, personal | 500-1,500 words | Sections + takeaways | | Medium | SEO-optimized, polished | 1,500-3,000 words | H2 sections, keywords |

Content Pillars Framework

Before creating content, identify 3-5 content pillars. Example for a developer building a SaaS:

| Pillar | % of Content | Example Topics | |--------|-------------|----------------| | Build-in-public | 40% | Progress updates, metrics, decisions | | Technical insights | 25% | Architecture choices, tools, tutorials | | Industry commentary | 20% | Trends, hot takes, analysis | | Personal stories | 10% | Failures, lessons, career advice | | Engagement/Fun | 5% | Polls, memes, community questions |

Hook Formulas

The first line determines whether anyone reads the rest. Use these formulas:

Curiosity Hooks

• "Most people get [topic] completely wrong. Here's why:"
• "[Number] [things] I wish I knew before [action]"
• "The biggest mistake in [field] that nobody talks about:"

Story Hooks

• "Last week, I [unexpected event]. Here's what happened:"
• "3 months ago, I had $0 in revenue. Today: [result]"
• "I almost [dramatic outcome]. Here's the full story:"

Value Hooks

• "Here's the exact process I used to [achieve result]:"
• "Stop doing [common thing]. Do this instead:"
• "[Number]-step framework for [desired outcome]:"

Contrarian Hooks

• "Unpopular opinion: [bold statement]"
• "Everyone says [common advice]. I disagree."
• "[Popular tool/approach] is overrated. Here's why:"

Social Proof Hooks

• "After [credibility builder], here are my [number] biggest takeaways:"
• "We went from [A] to [B] in [time]. Here's how:"

Post Templates

The Story Post (LinkedIn, Facebook, Medium)

{Hook: Unexpected outcome or lesson}

{Set the scene: When/where this happened}

{The challenge you faced}

{What you tried / what happened}

{The turning point}

{The result with specific numbers}

{The lesson for readers}

{Question to prompt engagement}

The Thread (X, Threads)

Tweet 1: {Hook + promise of value}
"Here's exactly how to [outcome] (step-by-step):"

Tweet 2-7: {One step per tweet with specific details}

Final tweet: {Summary + CTA}
"If this was helpful, follow for more on [topic]"

The How-To (Dev.to, Medium, Substack)

# {Title with primary keyword}

## {Subtitle: What reader will learn}

{Opening: Why this matters, who it's for}

## Step 1: {Action}
{Details, code examples, screenshots}

## Step 2: {Action}
{Details}

## Step 3: {Action}
{Details}

## Key Takeaways
- Takeaway 1
- Takeaway 2
- Takeaway 3

## Next Steps
{CTA: follow, subscribe, try it yourself}

The Milestone Post (IndieHackers, Reddit, X)

{What you achieved} -- here are the real numbers:

Revenue: {$X MRR}
Users: {number}
Timeline: {how long}

What worked:
- {Strategy 1}
- {Strategy 2}

What didn't work:
- {Failure 1}

What's next:
- {Plan}

Ask me anything in the comments.

The Show HN (Hacker News)

Title: Show HN: {Product name} -- {One-line description of what it does}

Text: {2-3 paragraphs explaining:}
- What problem it solves
- Technical approach (what makes it interesting)
- Current status and what you're looking for feedback on

Content Repurposing Matrix

Start with one piece of content and repurpose across platforms:

| Source | Reddit | LinkedIn | X | Dev.to | HN | |--------|--------|----------|---|--------|-----| | Blog post | Summary + link | Key insight + hook | Thread (5-7 tweets) | Full article | "Show HN" if relevant | | Product launch | r/SideProject post | Milestone story | Launch tweet | Tutorial/guide | Show HN submission | | Lesson learned | Detailed write-up | Story post format | Single insight tweet | Full case study | Skip (unless technical) | | Metric milestone | Numbers + context | Professional update | Celebration tweet | Skip | Skip |

SEO Integration

For platforms with SEO value (Dev.to, Medium, Substack):

1. Primary keyword in title and first paragraph
2. Secondary keywords in H2 headings
3. Natural keyword density of 1-3%
4. Meta description (subtitle) under 160 characters
5. Internal links to related content

Technical Constraints for Automation

When generating content for browser automation (Playwright):

• ASCII English only — no Unicode diacritics, CJK, or accented characters
• No emoji — Playwright cannot type emoji characters
• No em-dashes — use double hyphens -- instead
• No curly quotes — use straight quotes only
• No special symbols — avoid ™, ©, ®, etc.

Output

For each platform, save the adapted content to:

posts/drafts/{platform}_post.md

Include platform-specific metadata at the top:

---
platform: {platform name}
char_count: {number}
tags: {comma-separated if applicable}
method: auto | manual
---
{Content here}

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: tang-vu
• Source: tang-vu/social-posting-skills
• License: MIT
• Homepage: https://www.npmjs.com/package/social-posting-skills

Install and usage instructions live in the source repository linked above.