Chroma's official MCP server gives agents collection management and document operations on Chroma, including full-text, metadata and vector search. It supports ephemeral, persistent, self-hosted HTTP and Chroma Cloud clients via uvx.
Connect
- 1Add the server to Codex
codex mcp add chroma --env CHROMA_CLIENT_TYPE=YOUR_CHROMA_CLIENT_TYPE --env CHROMA_API_KEY=YOUR_CHROMA_API_KEY --env CHROMA_TENANT=YOUR_CHROMA_TENANT --env CHROMA_DATABASE=YOUR_CHROMA_DATABASE -- uvx chroma-mcp
Configs are generated from the publisher's documented endpoint. Check their docs for plan requirements and scopes. New to this? Read the step-by-step tutorial.
Tools 12
chroma_list_collectionschroma_create_collectionchroma_peek_collectionchroma_get_collection_infochroma_get_collection_countchroma_modify_collectionchroma_delete_collectionchroma_add_documentschroma_query_documentschroma_get_documentschroma_update_documentschroma_delete_documentsThings to ask
- “Create a collection called meeting-notes”
- “Add these three documents to my notes collection”
- “Query my collection for anything about Q3 budget”
- “Peek at the first 5 documents in my collection”
Remove it
- 1In Codex
codex mcp remove chromaOr delete the [mcp_servers.chroma] block from ~/.codex/config.toml.