Index Management

Viewing indexes

Select a collection from the sidebar. Navigate to the Indexes tab to see:

• Index name
• Keys and direction
• Unique flag
• Size (KB)
• Total index size for the collection

Creating an index

Click Create and enter fields in the format:

name:1,age:-1

• 1 = ascending
• -1 = descending

Optionally set as unique.

Dropping an index

Select an index and click Drop.

Note

The _id_ index cannot be dropped.

Search Indexes

MongoTUI supports creating Atlas Search and Vector Search indexes.

Text search index

Click + Search and configure:

• Index name
• Index type: Search (text)
• Mapping: Dynamic (all fields) or Static (specify fields)
• Analyzer: defaults to lucene.standard

Vector search index

Click + Search and configure:

• Index type: Vector Search
• Vector field: the field containing embeddings (e.g. embedding)
• Dimensions: vector size (e.g. 1536 for OpenAI, 768 for Cohere)
• Similarity: cosine, euclidean, or dotProduct
• Filter fields: optional fields for pre-filtering results

Dropping search indexes

Select a search index in the lower table and click x Search.