> For the complete documentation index, see [llms.txt](https://docs.lindseybot.net/lindsey/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lindseybot.net/lindsey/advanced.md).

# Advanced

- [Placeholders](https://docs.lindseybot.net/lindsey/advanced/placeholders.md): Lindsey supports placeholders in several places, below is a list of all available placeholders and what they are replaced with.
- [LewdBot](https://docs.lindseybot.net/lindsey/advanced/lewdbot.md): LewdBot was the codebase that Lindsey operated on since 2015.