A Model Context Protocol (MCP) server that provides AI assistants with comprehensive access to Civitai's vast collection of AI models, creators, and generated content. Browse, search, and discover AI models seamlessly through your favorite MCP-compatible AI assistant.
- Advanced Search: Find AI models with flexible filtering by type, creator, tags, and more
- Browse Categories: Explore models by type (Checkpoints, LoRA, ControlNet, etc.)
- Popular & Trending: Discover the most downloaded and highest-rated models
- Latest Models: Stay up-to-date with newly uploaded models
- Hash Lookup: Find models by file hash for verification
- Creator Profiles: Browse and search for model creators
- Creator Collections: View all models from specific creators
- Tag System: Explore models through Civitai's comprehensive tagging system
- Image Gallery: Browse AI-generated images with detailed metadata
- Generation Parameters: Access prompt, settings, and model information
- Community Showcase: Discover inspiring creations from the community
- Detailed Model Info: Complete model specifications, versions, and files
- Version History: Track model updates and improvements
- Download URLs: Direct access to model downloads with authentication support
- Content Safety: Access scan results for pickle and virus safety
- Node.js 18+
- npm or yarn
- A Civitai API key (optional, but recommended for higher rate limits)
- Clone the repository:
git clone https://github.com/Cicatriiz/civitai-mcp-server.git
cd civitai-mcp-server- Install dependencies:
npm install- Build the server:
npm run build- Set up your API key (optional):
export CIVITAI_API_KEY="your_api_key_here"- Run the server:
npm start- Visit Civitai API Keys
- Log in to your Civitai account
- Generate a new API key
- Copy the key and set it as an environment variable
Add the server to your MCP client configuration:
Add to your claude_desktop_config.json:
{
"mcpServers": {
"civitai": {
"command": "node",
"args": ["/path/to/civitai-mcp-server/dist/index.js"],
"env": {
"CIVITAI_API_KEY": "your_api_key_here"
}
}
}
}Configure according to your client's documentation, using:
- Command:
node /path/to/civitai-mcp-server/dist/index.js - Transport: stdio
- Environment:
CIVITAI_API_KEY=your_key
Search for SDXL LoRA models related to anime:
- Tool: search_models
- Query: "anime"
- Types: ["LORA"]
- BaseModels: ["SDXL 1.0"]
Get the most downloaded models this week:
- Tool: get_popular_models
- Period: "Week"
- Limit: 10
Get comprehensive information about a specific model:
- Tool: get_model
- ModelId: 12345
Explore recent AI-generated images:
- Tool: browse_images
- Sort: "Newest"
- Limit: 50
- NSFW: "None"
| Tool | Description | Key Parameters |
|---|---|---|
search_models |
Search models with filters | query, types, sort, baseModels |
get_model |
Get detailed model info | modelId |
get_model_version |
Get version details | modelVersionId |
get_model_version_by_hash |
Find model by file hash | hash |
browse_images |
Browse generated images | sort, period, modelId |
get_creators |
Search creators | query, limit |
get_tags |
Browse model tags | query, limit |
get_popular_models |
Most popular models | period, limit |
get_latest_models |
Newest models | limit |
get_top_rated_models |
Highest rated models | period, limit |
search_models_by_tag |
Models with specific tag | tag, sort |
search_models_by_creator |
Models by creator | username, sort |
get_models_by_type |
Filter by model type | type, sort |
get_download_url |
Get model download URL | modelVersionId |
Checkpoint- Full Stable Diffusion modelsLORA- Low-Rank Adaptation modelsTextualInversion- Embedding modelsHypernetwork- Hypernetwork modelsControlNet- ControlNet modelsAestheticGradient- Aesthetic gradient modelsPoses- Pose models
Highest Rated- Best community ratingsMost Downloaded- Most popular downloadsNewest- Recently uploaded
AllTime- No time restrictionYear- Past 12 monthsMonth- Past 30 daysWeek- Past 7 daysDay- Past 24 hours
This MCP server implements all major Civitai API v1 endpoints:
- ✅
/api/v1/models- List and search models - ✅
/api/v1/models/:id- Get specific model - ✅
/api/v1/model-versions/:id- Get model version - ✅
/api/v1/model-versions/by-hash/:hash- Get version by hash - ✅
/api/v1/images- Browse images - ✅
/api/v1/creators- List creators - ✅
/api/v1/tags- List tags - ✅ Download URLs with authentication support
- Checkpoint: Full Stable Diffusion models
- LORA: Low-Rank Adaptation models
- TextualInversion: Textual inversion embeddings
- Hypernetwork: Hypernetwork models
- AestheticGradient: Aesthetic gradient models
- Controlnet: ControlNet models
- Poses: Pose models
The server supports Civitai's content filtering system:
- NSFW content levels (None, Soft, Mature, X)
- Commercial use permissions
- Model licensing options
The server includes comprehensive error handling for:
- API rate limiting
- Network connectivity issues
- Invalid parameters
- Authentication errors
- Data validation
civitai-mcp-server/
├── src/
│ ├── index.ts # Main server implementation
│ ├── civitai-client.ts # Civitai API client
│ └── types.ts # TypeScript type definitions
├── dist/ # Compiled JavaScript output
├── tests/ # Test files
└── docs/ # Additional documentation
# Install dependencies
npm install
# Build TypeScript
npm run build
# Run tests
npm test
# Development mode with hot reload
npm run dev# Run comprehensive test suite
npm test
# Test specific endpoints
node test.js
node comprehensive-test.jsWe welcome contributions! Please see our Contributing Guide for details.
- Fork the repository
- Create a feature branch
- Make your changes
- Add tests for new functionality
- Submit a pull request
- Rate Limiting: Civitai API has rate limits. Use an API key for higher limits.
- NSFW Content: Some content may be filtered based on your account settings.
- Model Availability: Some models may be temporarily unavailable or require authentication.
Server won't start:
- Ensure Node.js 18+ is installed
- Check that all dependencies are installed (
npm install) - Verify the build completed successfully (
npm run build)
API rate limiting:
- Get a Civitai API key and set the
CIVITAI_API_KEYenvironment variable - Reduce request frequency if experiencing limits
Models not found:
- Check model ID accuracy
- Verify the model hasn't been removed or made private
- Ensure proper spelling in search queries
MIT License - see LICENSE file for details
- Model Context Protocol - The MCP specification
- Civitai - The AI model sharing platform
- MCP Servers - Official MCP server implementations
- 🐛 Bug Reports: GitHub Issues
- 💡 Feature Requests: GitHub Discussions
- 📚 Documentation: Civitai API Reference
- 🔧 MCP Documentation: Model Context Protocol