> For the complete documentation index, see [llms.txt](https://blog.obsibrain.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blog.obsibrain.com/other-articles/how-to-use-obsidian-to-build-a-second-brain.md).

# How to Use Obsidian to Build a Second Brain