# Social Media Caption Writer

> Creates engaging social media captions optimized for each platform (Instagram, LinkedIn, Twitter/X, Facebook, TikTok). Use when preparing social content, building content calendars, or repurposing content across platforms. Includes hashtag suggestions and CTA variations.

- **Type:** Skill
- **Install:** `agentstack add skill-fracabu-claude-skill-factory-social-media-caption-writer`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [fracabu](https://agentstack.voostack.com/s/fracabu)
- **Installs:** 0
- **Category:** [Agent Skills](https://agentstack.voostack.com/c/agent-skills)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [fracabu](https://github.com/fracabu)
- **Source:** https://github.com/fracabu/claude-skill-factory/tree/main/generated_skills/social-media-caption-writer

## Install

```sh
agentstack add skill-fracabu-claude-skill-factory-social-media-caption-writer
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# Social Media Caption Writer

Generate platform-specific, engaging captions that drive engagement and align with your brand voice.

## Capabilities

- Write captions tailored to each platform's best practices
- Generate multiple caption variations for A/B testing
- Suggest relevant hashtags (platform-appropriate quantity)
- Include engagement hooks and CTAs
- Adapt tone from professional to casual
- Optimize for character limits and formatting

## Platform Specifications

| Platform | Max Length | Hashtags | Tone |
|----------|-----------|----------|------|
| Instagram | 2,200 chars | 5-15 | Visual, storytelling |
| LinkedIn | 3,000 chars | 3-5 | Professional, insightful |
| Twitter/X | 280 chars | 1-2 | Concise, witty |
| Facebook | 63,206 chars | 1-3 | Conversational |
| TikTok | 2,200 chars | 3-5 | Trendy, authentic |

## Instructions

1. **Identify Platform**: Determine target platform(s)
2. **Understand Context**: Review content being promoted (image, video, link, etc.)
3. **Define Goal**: Engagement, traffic, awareness, or conversion
4. **Set Tone**: Match brand voice guidelines
5. **Generate Variations**: Create 2-3 options per platform
6. **Add Elements**: Hashtags, emojis, CTAs as appropriate

## Input Format

Provide:
- **Content Description**: What are you posting? (image, video, carousel, link)
- **Key Message**: Main point to communicate
- **Platform(s)**: Target social networks
- **Brand Voice**: Professional, casual, playful, inspirational, etc.
- **Goal**: What action should viewers take?
- **Constraints**: Any words/phrases to include or avoid

## Output Format

```markdown
## [Platform Name]

### Option A
[Caption text with emojis where appropriate]

**Hashtags**: #hashtag1 #hashtag2 #hashtag3
**CTA**: [Call to action]
**Best posting time**: [Suggested time]

### Option B
[Alternative caption]
...

---
```

## Example Usage

**Input**:
```
Content: Behind-the-scenes photo of team brainstorming
Message: We value collaboration and innovation
Platforms: Instagram, LinkedIn
Voice: Professional but approachable
Goal: Increase brand awareness and engagement
```

**Output**:

### Instagram - Option A
✨ Where the magic happens.

Our team's best ideas don't come from solo work—they come from moments like these. Whiteboards full of possibilities, coffee cups everywhere, and the energy of "what if?"

This is what innovation looks like at [Brand]. Messy, collaborative, and always exciting.

What does your creative process look like? 👇

**Hashtags**: #BehindTheScenes #TeamWork #Innovation #CompanyCulture #BrainstormSession
**CTA**: Comment below
**Best posting time**: Tuesday/Thursday 11am-1pm

## Best Practices

1. **Hook First**: Lead with the most compelling part
2. **Line Breaks**: Use white space for readability (Instagram, LinkedIn)
3. **Emoji Strategy**: Use purposefully, not excessively
4. **Question Ending**: Boost comments with engaging questions
5. **Hashtag Placement**: Instagram (first comment or end), LinkedIn (within text)

## Tone Variations

- **Professional**: Data-driven, industry insights, thought leadership
- **Casual**: Relatable, emoji-friendly, conversational
- **Playful**: Humor, pop culture references, trendy formats
- **Inspirational**: Motivational, story-driven, emotional connection
- **Educational**: Tips, how-tos, value-first content

## Limitations

- Cannot guarantee virality or engagement rates
- Hashtag trends change rapidly; verify before posting
- Platform algorithms update frequently
- Cultural references may not translate across regions
- Requires human review for brand alignment

## Source & license

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

- **Author:** [fracabu](https://github.com/fracabu)
- **Source:** [fracabu/claude-skill-factory](https://github.com/fracabu/claude-skill-factory)
- **License:** MIT

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

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-fracabu-claude-skill-factory-social-media-caption-writer
- Seller: https://agentstack.voostack.com/s/fracabu
- Browse the marketplace: https://agentstack.voostack.com/browse

---
Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.