MarkView is a native macOS markdown previewer (Swift, ~25MB, no Electron) with an MCP server.
Two tools:
- `open_file(path)` — open a .md file in MarkView
- `preview_markdown(content)` — render markdown content without saving
Supports GitHub Flavored Markdown, Mermaid diagrams, syntax highlighting for 18 languages, Quick Look Finder integration, bidirectional scroll sync, and PDF/HTML export.
Notarized and Gatekeeper approved. MIT licensed.