MDC File Support

An Obsidian plugin that enables browsing, viewing, and editing .mdc files just like regular Markdown files.

What are .mdc files?

.mdc files are Markdown-based configuration files commonly used by AI coding tools like Cursor for defining project rules and conventions. They follow standard Markdown syntax with YAML frontmatter.

Features

• Native .mdc support — Open and edit .mdc files directly in Obsidian with full Markdown rendering (reading view, editing view, and live preview).
• File explorer integration — .mdc files appear in the file explorer and can be browsed like any other note.
• Create new .mdc files — Quickly create new .mdc files with a default template via the command palette.
• Convert between .md and .mdc — Easily convert files between .md and .mdc formats using commands or right-click context menu.

Installation

From Community Plugins (Recommended)

1. Open Settings → Community Plugins in Obsidian.
2. Click Browse and search for MDC File Support.
3. Click Install, then Enable.

Manual Installation

1. Download main.js, manifest.json, and styles.css from the latest release.
2. Create a folder named mdc-reader in your vault's .obsidian/plugins/ directory.
3. Copy the downloaded files into the mdc-reader folder.
4. Restart Obsidian and enable the plugin in Settings → Community Plugins.

Usage

Once the plugin is enabled, .mdc files in your vault are automatically recognized and rendered as Markdown.

Commands

Open the command palette (Ctrl/Cmd + P) and search for:

Command	Description
MDC File Support: Create new .mdc file	Create a new .mdc file with a default frontmatter template.
MDC File Support: Convert current .md file to .mdc	Rename the active .md file to .mdc.
MDC File Support: Convert current .mdc file to .md	Rename the active .mdc file to .md.

Context Menu

Right-click any .md or .mdc file in the file explorer to see conversion options.

License

MIT