| chroma_list_collections | List all collection names in the Chroma database with pagination support. Args:
limit: Optional maximum number of collections to return
offset: Optional number of collections to skip before returning results
Returns:
List of collection names or ["__NO_COLLECTIONS_FOUND__"] if database is empty |
| chroma_create_collection | Create a new Chroma collection with configurable HNSW parameters. Args:
collection_name: Name of the collection to create
space: Distance function used in HNSW index. Options: 'l2', 'ip', 'cosine'
ef_construction: Size of the dynamic candidate list for constructing the HNSW graph
ef_search: Size of the dynamic candidate list for searching the HNSW graph
max_neighbors: Maximum number of neighbors to consider during HNSW graph construction
num_threads: Number of threads to use during HNSW construction
batch_size: Number of elements to batch together during index construction
sync_threshold: Number of elements to process before syncing index to disk
resize_factor: Factor to resize the index by when it's full
embedding_function_name: Name of the embedding function to use. Options: 'default', 'cohere', 'openai', 'jina', 'voyageai', 'ollama', 'roboflow'
metadata: Optional metadata dict to add to the collection |
| chroma_peek_collection | Peek at documents in a Chroma collection. Args:
collection_name: Name of the collection to peek into
limit: Number of documents to peek at |
| chroma_get_collection_info | Get information about a Chroma collection. Args:
collection_name: Name of the collection to get info about |
| chroma_get_collection_count | Get the number of documents in a Chroma collection. Args:
collection_name: Name of the collection to count |
| chroma_modify_collection | Modify a Chroma collection's name or metadata. Args:
collection_name: Name of the collection to modify
new_name: Optional new name for the collection
new_metadata: Optional new metadata for the collection
ef_search: Size of the dynamic candidate list for searching the HNSW graph
num_threads: Number of threads to use during HNSW construction
batch_size: Number of elements to batch together during index construction
sync_threshold: Number of elements to process before syncing index to disk
resize_factor: Factor to resize the index by when it's full |
| chroma_delete_collection | Delete a Chroma collection. Args:
collection_name: Name of the collection to delete |
| chroma_add_documents | Add documents to a Chroma collection. Args:
collection_name: Name of the collection to add documents to
documents: List of text documents to add
ids: List of IDs for the documents (required)
metadatas: Optional list of metadata dictionaries for each document |
| chroma_query_documents | Query documents from a Chroma collection with advanced filtering. Args:
collection_name: Name of the collection to query
query_texts: List of query texts to search for
n_results: Number of results to return per query
where: Optional metadata filters using Chroma's query operators
Examples:
- Simple equality: {"metadata_field": "value"}
- Comparison: {"metadata_field": {"$gt": 5}}
- Logical AND: {"$and": [{"field1": {"$eq": "value1"}}, {"field2": {"$gt": 5}}]}
- Logical OR: {"$or": [{"field1": {"$eq": "value1"}}, {"field1": {"$eq": "value2"}}]}
where_document: Optional document content filters
include: List of what to include in response. By default, this will include documents, metadatas, and distances. |
| chroma_get_documents | Get documents from a Chroma collection with optional filtering. Args:
collection_name: Name of the collection to get documents from
ids: Optional list of document IDs to retrieve
where: Optional metadata filters using Chroma's query operators
Examples:
- Simple equality: {"metadata_field": "value"}
- Comparison: {"metadata_field": {"$gt": 5}}
- Logical AND: {"$and": [{"field1": {"$eq": "value1"}}, {"field2": {"$gt": 5}}]}
- Logical OR: {"$or": [{"field1": {"$eq": "value1"}}, {"field1": {"$eq": "value2"}}]}
where_document: Optional document content filters
include: List of what to include in response. By default, this will include documents, and metadatas.
limit: Optional maximum number of documents to return
offset: Optional number of documents to skip before returning results
Returns:
Dictionary containing the matching documents, their IDs, and requested includes |
| chroma_update_documents | Update documents in a Chroma collection. Args:
collection_name: Name of the collection to update documents in
ids: List of document IDs to update (required)
embeddings: Optional list of new embeddings for the documents.
Must match length of ids if provided.
metadatas: Optional list of new metadata dictionaries for the documents.
Must match length of ids if provided.
documents: Optional list of new text documents.
Must match length of ids if provided.
Returns:
A confirmation message indicating the number of documents updated.
Raises:
ValueError: If 'ids' is empty or if none of 'embeddings', 'metadatas',
or 'documents' are provided, or if the length of provided
update lists does not match the length of 'ids'.
Exception: If the collection does not exist or if the update operation fails. |
| chroma_delete_documents | Delete documents from a Chroma collection. Args:
collection_name: Name of the collection to delete documents from
ids: List of document IDs to delete
Returns:
A confirmation message indicating the number of documents deleted.
Raises:
ValueError: If 'ids' is empty
Exception: If the collection does not exist or if the delete operation fails. |