{"slug":"modelcontextprotocol/memory","name":"Memory","description":"Knowledge graph-based persistent memory system","category":"database","tags":["reference"],"official":false,"stars":86388,"transport":"http","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 query across entity names, entity types, and observation content. Returns matching entities and their relations."},{"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","github":"https://github.com/modelcontextprotocol/servers/tree/main/src/memory","homepage":"","server_url":"","status":"active","source":"mcpservers.org","updated_at":"Thu May 28"}