Knowledge Graph Builder

```mermaid flowchart TD A[Module Start] --> B[Server Initialization] B --> C[Handle List Tools Request] B --> D[Handle Call Tool Request] D --> E[Switch Case for Tool] E -- create_entities --> F[Create Entities] E -- create_relations --> G[Create Relations] E -- add_observations --> H[Add Observations] E -- delete_entities --> I[Delete Entities] E -- delete_observations --> J[Delete Observations] E -- delete_relations --> K[Delete Relations] E -- read_graph --> L[Read Graph] E -- search_nodes --> M[Search Nodes] E -- open_nodes --> N[Open Nodes] ```