MCP server for enabling memory for Claude through a knowledge graph
MCP server for enabling memory for Claude through a knowledge graph
A basic implementation of persistent memory using a local knowledge graph. This lets Claude remember information about the user across chats and learn from past errors through a lesson system.
create_entities — Create multiple new entities in the knowledge graphcreate_relations — Create multiple new relations between entitiesadd_observations — Add new observations to existing entitiesdelete_entities — Remove entities and their relationsdelete_observations — Remove specific observations from entitiesdelete_relations — Remove specific relations from the graphread_graph — Read the entire knowledge graphsearch_nodes — Search for nodes based on queryopen_nodes — Retrieve specific nodes by namecreate_lesson — Create a new lesson from an error and its solutionfind_similar_errors — Find similar errors and their solutionsCompare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| create_entities | Create multiple new entities in the knowledge graph |
| create_relations | Create multiple new relations between entities |
| add_observations | Add new observations to existing entities |
| delete_entities | Remove entities and their relations |
| delete_observations | Remove specific observations from entities |
| delete_relations | Remove specific relations from the graph |
| read_graph | Read the entire knowledge graph |
| search_nodes | Search for nodes based on query |
| open_nodes | Retrieve specific nodes by name |
| Returns: | Requested entities |
{
"mcpServers": {
"memory": {
"command": "docker",
"args": [
"run",
"-i",
"-v",
"claude-memory:/app/dist",
"--rm",
"mcp/memory"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
Store entities, relations and observations in a local knowledge graph with the reference Memory MCP server.
A structured scratchpad for hard problems — stepwise reasoning with revisions, branches and visible logic.
Free web search and long-term memory for AI assistants. No API keys; data stays local.
Knowledge base for Claude Code with semantic search, feed intelligence, and teams
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