n-r-w/knowledgegraph-mcp
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KnowledgeGraph MCP Server provides persistent memory for LLMs across conversations using a knowledge graph.
Tools
Functions exposed to the LLM to take actions
create_entities
Create new entities in the knowledge graph.
create_relations
Connect entities to enable discovery queries.
add_observations
Add factual observations to existing entities.
add_tags
Add status/category tags for instant filtering.
read_graph
Retrieve the complete knowledge graph.
search_knowledge
Search entities by text or tags.
open_nodes
Retrieve specific entities by exact names.
delete_entities
Permanently delete entities and their relationships.
delete_observations
Remove specific observations from entities.
delete_relations
Update relationship structure by removing connections.
remove_tags
Update entity status by removing outdated tags.
Prompts
Interactive templates invoked by user choice
No prompts
Resources
Contextual data attached and managed by the client