Content Writer Skill
Installation
npx clawhub@latest install content-writer-mcbai
Generate professional social media posts from research articles. Supports LinkedIn, Facebook, Twitter/X, TikTok caption, Threads — taking source material and producing polished, platform-optimized posts.
When to Use
- User has articles/data and wants to create social media posts
- User wants to write a post in a specific format
- User needs content for any platform: LinkedIn, Facebook, Twitter/X, TikTok, Threads
- User asks to "write a post", "viết bài", "tạo content" from any source material
- Works best after using the
content-researchskill to gather sources
Core Workflow
Step 1: Gather Inputs
Collect from the user (ask if not provided):
- Source material (required) — article, URL, summary, or raw data
- Platform (default: LinkedIn) — LinkedIn / Facebook / Twitter/X / TikTok / Threads
- Content format (default: toplist) — see 6 formats below
- Tone (default: default) — see Tone Presets
- Length (default: medium) — short/medium/long
- Language (default: Vietnamese) — English or Vietnamese
- Number of posts (default: 1)
Step 2: Select Format
Read the appropriate format reference file:
| Format | File | Best For |
|---|---|---|
| 📋 Toplist | references/format-toplist.md |
Numbered lists with data |
| 💡 POV | references/format-pov.md |
Bold opinions backed by data |
| 🏢 Case Study | references/format-case-study.md |
Deep-dive one story |
| 🛠️ How-to | references/format-how-to.md |
Step-by-step guides |
| 📖 Story | references/format-story.md |
Narrative, emotional journey |
| 🎯 Hook-List-CTA | references/format-hook-list-cta.md |
Facebook viral format |
Step 3: Apply Platform Rules
Read references/platform-rules.md for platform-specific constraints. Quick reference:
| Platform | Max length | Style | Hashtag |
|---|---|---|---|
| 3,000 chars | Professional, data-driven | 3-5 tags | |
| 63,206 chars | Conversational, emotional, story | 0-3 tags | |
| Twitter/X | 280 chars | Punchy, hook-heavy | 1-2 tags |
| TikTok | 2,200 chars (caption) | Casual, trendy, FOMO | 5-10 tags |
| Threads | 500 chars | Conversational, casual | 0-2 tags |
Step 4: Build the Prompt
Combine:
- Brand context — read
references/brand-context.md - Format instructions — from selected format file
- Platform rules — from
references/platform-rules.md - Source material — articles/data provided
- Tone + Language + Length instructions
Step 5: Generate Content
Output rules (non-negotiable):
- Plain text only — no markdown rendering on social platforms
- ZERO asterisks — no
*, no** - No em dashes (—) — use
-or comma - No source URLs in post body
- No markdown (
#,[],()) - Short paragraphs — 1-2 sentences max
- Data-driven — every claim backed by numbers
- For emphasis: use CAPS on 1-2 key words
- Lists: use numbers (
1. 2. 3.) or arrows (→) - Emoji: use naturally per platform style (Facebook/TikTok: more; LinkedIn: 2-3 max)
Step 6: Present and Refine
Offer after generating:
- Regenerate with different format/tone/length/platform
- Create variants for A/B testing
- Generate versions for multiple platforms simultaneously
Format Structures
Toplist
HOOK: Bold claim + specific number
CONTEXT: Why this matters now
LIST: Numbered items with data points
TAKEAWAY: Pattern that emerges
CTA: Engagement question
POV
HOOK: Contrarian bold opening
DATA: Evidence with numbers
ANALYSIS: What this means
PREDICTION: Clear position
CTA: Provocative question
Case Study
HOOK: Most impressive metric
CONTEXT: Problem that existed
WHAT THEY DID: Strategy + numbers
RESULTS: Concrete outcomes
LESSON: Non-obvious takeaway
CTA: Engagement or MCB AI mention
How-to
HOOK: Promise clear outcome
WHY: What people get wrong
STEPS: 3-7 numbered, action verbs
PRO TIP: Non-obvious shortcut
RESULT: What they'll achieve
CTA: "Try step 1 today"
Story (Facebook-optimized)
OPENING SCENE: Specific moment, pulls reader in
TENSION: Problem/conflict builds
TURNING POINT: Insight or decision
RESOLUTION: Outcome + lesson
CTA: Relatable question or tag prompt
Hook-List-CTA (Facebook viral)
HOOK (1 line): Stop-the-scroll — question, shock, or bold claim
BLANK LINE
LIST: 5-10 short punchy items (emoji optional)
BLANK LINE
CTA: "Tag ai cũng cần biết điều này" hoặc câu hỏi
Tone Presets
Read references/tone-presets.md for full details:
| Tone | Style |
|---|---|
| Default | Data-driven, confident, accessible |
| Bold | Provocative, contrarian, strong positions |
| Educational | Teacher mode, analogies, "here's why" |
| Storytelling | Narrative arc, scenes, emotional |
| Analytical | Research analyst, patterns, comparisons |
| Viral | FOMO-driven, emotional trigger, share-bait |
| Empathetic | Warm, understanding, community-focused |
| Custom | User provides own tone description |
Length Guidelines
| Length | Words | Chars | Best for |
|---|---|---|---|
| Short | 50-100 | ~300-600 | Twitter/X, Threads, TikTok caption |
| Medium | 150-300 | ~800-1800 | LinkedIn, Facebook standard |
| Long | 400-700 | ~2500-4500 | LinkedIn deep dive, Facebook story |
Reference Files
references/brand-context.md— MCB AI brand identity + writing rulesreferences/format-toplist.md— Toplist format instructionsreferences/format-pov.md— POV format instructionsreferences/format-case-study.md— Case Study instructionsreferences/format-how-to.md— How-to format instructionsreferences/format-story.md— Story format instructions (Facebook-optimized)references/format-hook-list-cta.md— Hook-List-CTA viral formatreferences/tone-presets.md— All tone details + Viral + Empathetic presetsreferences/platform-rules.md— Platform-specific constraintsreferences/formatting-rules.md— Critical formatting rules (MUST read)
Critical Rules (Non-Negotiable)
- ABSOLUTELY NO asterisks (*) anywhere
- ABSOLUTELY NO markdown formatting
- ABSOLUTELY NO em dashes (—)
- ABSOLUTELY NO source URLs in post
- Output MUST be plain text only
- Emphasis = CAPS on 1-2 words max
- Lists = numbers or → arrows only
- Emoji = natural, platform-appropriate (not excessive on LinkedIn)