# Agent memory and knowledge for agents

https://mcpshortlist.com/agent-memory

## Facts, sources and dates

Unknown values are null, never no or zero.

```json
{
  "example": false,
  "read_on": "2026-10-11",
  "subcategory": {
    "id": "agent-memory",
    "label": "Agent memory and knowledge",
    "what": "Services that give an assistant a memory or a set of documents to search.",
    "also": ["memory", "rag", "retrieval", "knowledge graph", "context"],
    "url": "https://mcpshortlist.com/agent-memory",
    "category": "ai-and-agents",
    "software": [],
    "not_listed": []
  },
  "note": "Categories and sub-categories are ours. A product under \"software\" was sorted by us. A product \"not sorted yet\" sits in a category because the Claude connectors directory files it there. \"not_listed\" means not found in that directory, never \"has no connector\"."
}
```