Obsidian Flavored Markdown Skill

Create and edit valid Obsidian Flavored Markdown. Obsidian extends CommonMark and GFM with wikilinks, embeds, callouts, properties, comments, and other syntax. This skill covers only Obsidian-specific extensions -- standard Markdown (headings, bold, italic, lists, quotes, code blocks, tables) is assumed knowledge.

Workflow: Creating an Obsidian Note

1. Add frontmatter with properties (title, tags, aliases) at the top of the file. See PROPERTIES.md for all property types.
2. Write content using standard Markdown for structure, plus Obsidian-specific syntax below.
3. Consider a Table of Contents for longer notes with multiple sections. Use [[#Heading]] wikilinks listed after the first heading.
4. Link related notes using wikilinks ([[Note]]) for internal vault connections that already exist (see §Internal Links for the existence rule), or standard Markdown links for external URLs.
5. Embed content from other notes, images, or PDFs using the ![[embed]] syntax. See EMBEDS.md for all embed types.
6. Add callouts for highlighted information using > [!type] syntax. See CALLOUTS.md for all callout types.
7. Verify the note renders correctly in Obsidian's reading view.

When choosing between wikilinks and Markdown links: use [[wikilinks]] for notes within the vault (Obsidian tracks renames automatically) and [text](url) for external URLs only. Emit a [[wikilink]] only for a note that already exists (§Internal Links); otherwise write the term as plain bold text.

Properties (Frontmatter)