MCP Server
Retrieval & Memory
Chroma MCP
1Vector 2search 3and 4memory 5via 6Chroma
the six Ws · specification
W1
Who
Maintained officially by Chroma (chroma-core).
W2
What
It lets an agent create collections and run vector, full-text, and metadata search over documents.
W3
Where
It runs locally as a Python server against in-memory, persistent, or Chroma Cloud backends.
W4
When
An agent reaches for it when it needs retrieval or memory over a document set.
W5
Why
It gives agents a flexible embedded or hosted vector store with minimal setup.
W6
With
Python (uvx), and optionally a Chroma Cloud key or persistent data path.
W7
Watch
Official vendor maintainer; local modes keep data on your machine, while cloud mode sends embeddings outbound. It can create and delete collections in the configured backend.
alternatives
works with