Share your backend
Custom backends connect Deep Agents to storage systems such as databases, object stores, and virtual filesystems. Share yours with the community:Implement a custom backend
Follow the custom backends guide to build your own backend.
Share a community backend
Open a PR to the docs repo to add your backend to the table below.
Community integrations
The community maintains these backend integrations. They are contributed on an open-source basis and are not managed or maintained by LangChain.
| Backend | Description | Source |
|---|---|---|
| MongoDB VFS Adapter | Virtual filesystem backend backed by MongoDB Atlas. Persist agent files, including memories, artifacts, and conversation history, in a MongoDB collection. | mongodb-developer/MongoDB-LangChain-DeepAgents-VFS-Adapter |
Connect these docs to Claude, VSCode, and more via MCP for real-time answers.

