{"id":432,"slug":"yodakeisuke/mcp-memory-domain-knowledge","name":"Knowledge Graph Memory Server","description":"Enables persistent memory for Claude using a local knowledge graph of entities, relations, and observations.","category":"development","github":"https://github.com/yodakeisuke/mcp-memory-domain-knowledge","homepage":"","server_url":"","transport":null,"install":null,"tools":[{"name":"create_entities","description":"Create multiple new entities in the knowledge graph. Ignores entities with existing names."},{"name":"create_relations","description":"Create multiple new relations between entities. Skips duplicate relations."},{"name":"add_observations","description":"Add new observations to existing entities. Fails if entity doesn't exist."},{"name":"delete_entities","description":"Remove entities and their relations with cascading deletion. Silent operation if entity doesn't exist."},{"name":"delete_observations","description":"Remove specific observations from entities. Silent operation if observation doesn't exist."},{"name":"delete_relations","description":"Remove specific relations from the graph. Silent operation if relation doesn't exist."},{"name":"read_graph","description":"Read the entire knowledge graph. Returns complete graph structure with all entities and relations."},{"name":"search_nodes","description":"Search for nodes based on one or more keywords. Case-insensitive, partial word matching across entity names, types, subdomains, and observation content."},{"name":"open_nodes","description":"Retrieve specific nodes by name. Returns requested entities and relations between them. Silently skips non-existent nodes."}],"env_vars":[],"auth_type":"none","official":false,"stars":5,"status":"active","source":"mcpservers.org","created_at":"2026-05-25T06:39:05.093860+00:00","updated_at":"2026-05-25T16:46:37.728275+00:00","tags":[],"path":"knowledge-graph-memory-server"}