# Vector databases for agents

https://mcpshortlist.com/vector-databases

## Facts, sources and dates

Unknown values are null, never no or zero.

```json
{
  "example": false,
  "read_on": "2026-10-11",
  "subcategory": {
    "id": "vector-databases",
    "label": "Vector databases",
    "what": "Databases that store text by meaning, so an assistant finds the passages close to a question.",
    "also": ["vector search", "embeddings store", "semantic search"],
    "url": "https://mcpshortlist.com/vector-databases",
    "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\"."
}
```