| Code | Can run custom code in a sandbox. |
| Embedding Model Interface | Interface to a Embedding Model that can be connected to a Code Node. |
| Index Interface | Reference to an Index that can be connected to various nodes to retrieve documents and embeddings. |
| Language Model Interface | Interface to a Language Model that can be connected to a Code Node. |
| Prompt Interface | Interface to a Prompt that can be connected to a Code Node |
| Storage Interface | Interface for storing and retrieving documents that can be connected to a Code Node. |