# Utils

- [Custom API](/utils/custom-api.md)
- [StackAI Project Node](/utils/stackai-project-node.md)
- [Sticky Note](/utils/sticky-note.md)
- [Default Message](/utils/default-message.md)
- [Delay](/utils/delay.md): Learn how to use the Delay node in StackAI workflows to pause execution for a set time.
- [Shared Memory](/utils/shared-memory.md)
- [Dynamic Vector Store](/utils/dynamic-vector-store.md)