+MongoDB Vector Support #2367

ranfysvalle02 · 2025-03-12T03:19:15Z

Description

Add MongoDB as a VectorDB.

Fixes # (issue)

#1166

Type of change

Please delete options that are not relevant.

Bug fix (non-breaking change which fixes an issue)
[X] New feature (non-breaking change which adds functionality)
Breaking change (fix or feature that would cause existing functionality to not work as expected)
Refactor (does not change functionality, e.g. code style improvements, linting)
Documentation update

How Has This Been Tested?

There is working code that highlights how to use, and the output.

Please delete options that are not relevant.

Unit Test
Test Script

config = {
    "vector_store": {
        "provider": "mongodb",
        "config": {
            "mdb_uri": "mongodb://0.0.0.0/?directConnection=true",
            "dbname": "DEMO",
            "collection_name": "TEST",
            "get_embedding": get_embedding,
            "embedding_model_dims": len(get_embedding("0")),
        }
    }
}
m = Memory.from_config(config)

Checklist:

My code follows the style guidelines of this project
I have performed a self-review of my own code
I have commented my code, particularly in hard-to-understand areas
I have made corresponding changes to the documentation
My changes generate no new warnings
I have added tests that prove my fix is effective or that my feature works
New and existing unit tests pass locally with my changes
Any dependent changes have been merged and published in downstream modules
I have checked my code and corrected any misspellings

Maintainer Checklist

closes #xxxx (Replace xxxx with the GitHub issue number)
Made sure Checks passed

vercel · 2025-03-12T03:19:21Z

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Name	Status	Preview	Comments	Updated (UTC)
multimodal-demo	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 12, 2025 3:19am

ranfysvalle02 · 2025-03-12T04:20:17Z

@Dev-Khant could you please take a look at this one?

mem0/configs/vector_stores/mongodb.py

Dev-Khant

Please add the relevant docs and tests for it. Thanks.

mem0/configs/vector_stores/mongodb.py

mem0/vector_stores/mongodb.py

ranfysvalle02 · 2025-03-20T00:44:10Z

@Dev-Khant will add this soon! Sorry for delay

CLAassistant · 2025-04-08T21:22:46Z

All committers have signed the CLA.

Adding initial tests, updating use of get_embeddings Remove accidental formatting to unrelated files Fixing tests Fixing docs, adding comment Remove get_embeddings

dgupta18 · 2025-04-10T19:30:45Z

Hi @Dev-Khant , this PR is ready for re-review when you get a second!

coder-pikachu · 2025-04-23T06:29:10Z

When would this be closed?

Dev-Khant · 2025-04-23T06:58:52Z

Hey @ranfysvalle02 Can you please resolve the merge conflicts so we can run the CI tests.

ranfysvalle02 · 2025-04-25T03:19:10Z

@Dev-Khant -- merge conflicts resolved!!!

ranfysvalle02 · 2025-04-28T16:26:03Z

@Dev-Khant - Just following up here, let me know if any issues

ranfysvalle02 · 2025-05-05T01:23:14Z

@Dev-Khant --- We are about to have more merge conflicts -- Can you please advise if there is anything wrong with the MongoDB aspect of it or help get this merged please?

Dev-Khant

Hey, sorry the delay here. Left few comments once it's resolved we can merge this.

Dev-Khant · 2025-05-05T06:26:05Z

mem0/configs/vector_stores/mongodb.py

+    """Configuration for MongoDB vector database."""
+
+    db_name: str = Field("mem0_db", description="Name of the MongoDB database")
+    collection_name: str = Field("mem0_collection", description="Name of the MongoDB collection")


Please keep collection name as mem0

Dev-Khant · 2025-05-05T06:27:14Z

pyproject.toml

@@ -31,6 +31,7 @@ langchain-neo4j = "^0.4.0"
 neo4j = "^5.23.1"
 rank-bm25 = "^0.2.2"
 psycopg2-binary = "^2.9.10"
+pymongo = "^4.12.0"


Please remove pymongo from the default dependencies. User can install this separately when they want to use mongodb

Dev-Khant · 2025-05-05T06:27:52Z

mem0/vector_stores/mongodb.py

Can you please add the reset method as well?

Dev-Khant · 2025-05-05T06:28:21Z

poetry.lock

There will no poetry changes once you remove the pymonogo from default dependencies

Dev-Khant · 2025-05-05T06:40:25Z

Also @ranfysvalle02 Can you please why the monogodb tests are failing?

ranfysvalle02 · 2025-05-08T20:37:46Z

@Dev-Khant give me a bit to tackle all this -- will report back soon!

+mdb with username stuff set up

58d1cff

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Dev-Khant reviewed Mar 12, 2025

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Dev-Khant reviewed Mar 12, 2025

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ranfysvalle02 and others added 3 commits April 4, 2025 08:44

Merge branch 'mem0ai:main' into main

24993ac

Add docs, change dbname -> db_name

3186736

Removing mdb_toolkit; using only pymongo

d852e0d

dgupta18 added 2 commits April 8, 2025 17:29

Updating poetry deps and factory/config for vector stores

2c92ae7

Add tests, remove get_embedding

67a627b

Adding initial tests, updating use of get_embeddings Remove accidental formatting to unrelated files Fixing tests Fixing docs, adding comment Remove get_embeddings

dgupta18 force-pushed the main branch from fd0bc5b to 67a627b Compare April 10, 2025 18:56

Merge remote-tracking branch 'upstream/main'

26dafac

Update unused import, poetry

a83a513

ranfysvalle02 requested a review from Dev-Khant April 10, 2025 19:37

Merge branch 'main' into main

6fe42e3

Dev-Khant reviewed May 5, 2025

View reviewed changes

dgupta18 added 2 commits May 9, 2025 09:30

removing pymongo, renaming mem0 collection, adding reset

bc3cd7b

Manually reset poetry.lock

2a4cd06

+MongoDB Vector Support #2367

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+MongoDB Vector Support #2367

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ranfysvalle02 commented Mar 12, 2025

Description

Type of change

How Has This Been Tested?

Checklist:

Maintainer Checklist

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