> For the complete documentation index, see [llms.txt](https://extensityai.gitbook.io/symbolicai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://extensityai.gitbook.io/symbolicai/features.md).

# Features

- [Contracts](https://extensityai.gitbook.io/symbolicai/features/contracts.md)
- [Primitives](https://extensityai.gitbook.io/symbolicai/features/primitives.md)
- [Prompt Registry](https://extensityai.gitbook.io/symbolicai/features/prompt_registry.md)