Obsidian Plugin Editor

This skill guides you through integrating with the Obsidian editor: CodeMirror 6 extensions, the Editor API, and markdown post-processing. It focuses on the editing surface — how to read and write text, extend the editor with CM6 primitives, render custom DOM in Reading view, and provide autocomplete popups.

When to Use This Skill

• Building a CodeMirror 6 extension for Live Preview (decorations, widgets, custom behavior)
• Reading or programmatically modifying editor content via the Editor API
• Adding autocomplete / suggestion popups with EditorSuggest
• Customizing how Markdown renders in Reading view with post processors
• Implementing custom fenced code block renderers
• Deciding whether a feature belongs in an editor extension or a post processor

Overview

Obsidian's editor is powered by CodeMirror 6 (CM6). There are three main integration surfaces: