steveoro/graph_mem
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GraphMem is a Ruby on Rails application implementing a Model Context Protocol (MCP) server for graph-based memory management.
Tools
Functions exposed to the LLM to take actions
get_version
Get server version information
create_entity
Create new entities with name and type
get_entity
Retrieve entities by ID with related data
search_entities
Search for entities based on name
list_entities
List entities with pagination and filtering
delete_entity
Remove entities and all associated data
create_observation
Add observations to existing entities
delete_observation
Remove observations from entities
create_relation
Create typed relationships between entities
delete_relation
Remove relationships
find_relations
Find relationships connected to entities
get_subgraph_by_ids
Get a connected subgraph of specified entities
get_current_time
Retrieve server time in ISO 8601 format
Prompts
Interactive templates invoked by user choice
No prompts
Resources
Contextual data attached and managed by the client