Natural Voice MCP

Make AI-generated text sound like a real person wrote it.

An MCP server that teaches Claude and other AI assistants how humans actually write online. Detects AI patterns MOST and provides platform-specific voice guides.

Installation

VS Code / Cursor:

ext install RedRiverDesign.natural-voice-mcp

Or install from: VS Code Marketplace

Tools

Tool	Description
analyze_voice	Get a human-likeness score (0-100) for any text
humanize_text	Get specific suggestions to make text sound natural

Examples

Use analyze_voice on: "I am thrilled to announce our exciting new product"

Use humanize_text on: "Furthermore, it is worth noting..." platform: linkedin

Resources

The MCP server provides these knowledge resources that AI can read:

Resource	Description
ai-tells	Patterns that reveal AI-generated text
cognitive-posture	Motivation, energy, and persona systems
conversational-patterns	How humans actually write
twitter-voice	Twitter/X authenticity guide
linkedin-voice	Professional LinkedIn voice

What It Detects

Pattern	Score Impact
"Thrilled to announce"	-10
"Furthermore/Moreover"	-5
No contractions	-10
Em dash overuse (3+)	-10

Score 80+: Sounds human ✓
Score 50-80: Some AI tells
Score <50: Strong AI indicators

Links

• GitHub Repository
• Report Issues
• VS Code Marketplace

License

MIT © Red River Design