Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| HOST | No | Host address for MCP server | 0.0.0.0 |
| PORT | No | Port for MCP server | 8051 |
| NEO4J_URI | No | Neo4j connection URI (required if USE_KNOWLEDGE_GRAPH=true) | bolt://localhost:7687 |
| TRANSPORT | No | Transport protocol for MCP server (sse or stdio) | sse |
| NEO4J_USER | No | Neo4j username (required if USE_KNOWLEDGE_GRAPH=true) | neo4j |
| SEARXNG_TLS | No | Email address for Let's Encrypt certificate (for production HTTPS) | |
| SEARXNG_URL | No | URL of the SearXNG server (pre-configured for Docker Compose) | http://searxng:8080 |
| MODEL_CHOICE | No | LLM model for summaries and contextual embeddings | gemini-2.5-flash-lite |
| SUPABASE_URL | Yes | Supabase project URL for vector database (required) | |
| USE_RERANKING | No | Enable reranking for improved result relevance using cross-encoder models | false |
| GEMINI_API_KEY | Yes | Gemini API key for generating embeddings (required) | |
| NEO4J_PASSWORD | No | Neo4j password (required if USE_KNOWLEDGE_GRAPH=true) | |
| SEARXNG_TIMEOUT | No | Timeout for SearXNG requests in seconds | 30 |
| USE_AGENTIC_RAG | No | Enable specialized code example extraction and storage | false |
| SEARXNG_HOSTNAME | No | Custom domain for production HTTPS deployment | http://localhost |
| USE_HYBRID_SEARCH | No | Enable hybrid search combining vector and keyword search | false |
| SEARXNG_USER_AGENT | No | User agent string for SearXNG requests | MCP-Crawl4AI-RAG-Server/1.0 |
| USE_KNOWLEDGE_GRAPH | No | Enable AI hallucination detection and repository code analysis using Neo4j | false |
| SUPABASE_SERVICE_KEY | Yes | Supabase service key for vector database (required) | |
| SEARXNG_DEFAULT_ENGINES | No | Default search engines for SearXNG | google,bing,duckduckgo |
| USE_CONTEXTUAL_EMBEDDINGS | No | Enable contextual embeddings for enhanced semantic understanding | false |
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |