> For the complete documentation index, see [llms.txt](https://docs.cosmocloud.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cosmocloud.io/advanced-guide/mongodb-query-language/limitations.md).

# Limitations

Some of the aggregation operators cannot be used in MongoDB Query language in `Development` environment. You can check the usage of some of the operators are listed below 

* [$geoNear](https://www.mongodb.com/docs/manual/reference/operator/aggregation/geoNear/)
* [$graphLookup](https://www.mongodb.com/docs/manual/reference/operator/aggregation/graphLookup/)