README.md
Make AI-generated text sound like a real person wrote it.
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
License
MIT © Red River Design
Tools (2)
analyze_voiceGet a human-likeness score (0-100) for any texthumanize_textGet specific suggestions to make text sound naturalConfiguration
claude_desktop_config.json
{"mcpServers": {"natural-voice": {"command": "npx", "args": ["-y", "@redriverdesign/natural-voice-mcp"]}}}Try it
→Analyze this draft: 'I am thrilled to announce our exciting new product' and tell me how human it sounds.
→Humanize this text for LinkedIn: 'Furthermore, it is worth noting that our quarterly results have improved.'
→What are the common AI patterns I should avoid to make my writing sound more authentic?
→Check my tweet draft for AI-generated patterns and suggest improvements for a more natural voice.