# MongoDB — Self-managed

Catalog and govern MongoDB assets in Atlan for discovery and governance.

## Setup options

- [Set up MongoDB (self-managed)](https://docs.atlan.com/llms/connectors/mongodb-onprem/set-up-mongodb-onprem/llms.txt): Atlan supports SCRAM authentication (SCRAM-SHA-1 and SCRAM-SHA-256) for fetching metadata from MongoDB. This method uses a username and password to fetch metadata.

## Crawl and mine

- [Crawl MongoDB (self-managed)](https://docs.atlan.com/llms/connectors/mongodb-onprem/crawl-mongodb-onprem/llms.txt): Once you have configured the MongoDB permissions, you can establish a connection between Atlan and MongoDB.

## Reference

- [How Atlan connects to MongoDB (self-managed)](https://docs.atlan.com/llms/connectors/mongodb-onprem/how-atlan-connects-to-mongodb-onprem/llms.txt): Understand how Atlan securely connects to your MongoDB (self-managed) database to extract metadata.
- [What does Atlan crawl from MongoDB (self-managed)?](https://docs.atlan.com/llms/connectors/mongodb-onprem/what-does-atlan-crawl-from-mongodb-onprem/llms.txt): Atlan crawls and maps the following assets and properties from MongoDB (self-managed). Atlan currently doesn't support lineage for MongoDB (self-managed) assets.

## Troubleshooting

- [Field extraction and schema inference](https://docs.atlan.com/llms/connectors/mongodb-onprem/field-extraction-and-schema-inference/llms.txt): Frequently asked questions about MongoDB (self-managed) connector field extraction, schema inference, permissions, sampling, and configuration.