paulhkang94/markview

Overview

A native macOS markdown preview app with an MCP server for Claude Code. Built with Swift/SwiftUI, it supports GitHub Flavored Markdown, Mermaid diagrams, and syntax highlighting. It avoids Electron, offering a lightweight native experience.

Best for

Best for
macOS developers using Claude Code who need a native, lightweight markdown preview with diagram support.

Use cases

• Preview markdown files with Mermaid diagrams in a native macOS window
• Integrate markdown preview into Claude Code via the MCP server
• View local markdown with syntax highlighting without a browser

How to use

Install

claude mcp add --transport stdio --scope user markview -- npx mcp-server-markview

Tools exposed

• preview_markdown
• open_file

Tested with

Claude Desktop, Claude Code, VS Code

Notes

A native macOS markdown preview app with an MCP server for Claude Code. Built with Swift/SwiftUI, it supports GitHub Flavored Markdown, Mermaid diagrams, and syntax highlighting. It avoids Electron, offering a lightweight native experience.

33 stars on GitHub. Last updated 2026-06-01. Licensed MIT.

Use cases

• Preview markdown files with Mermaid diagrams in a native macOS window
• Integrate markdown preview into Claude Code via the MCP server
• View local markdown with syntax highlighting without a browser

Pros

• Native macOS app with no Electron overhead
• Supports GFM, Mermaid, and syntax highlighting
• Provides an MCP server for Claude Code integration

Cons

• macOS only, no cross-platform support
• Small community and early-stage project (33 GitHub stars)
• Limited to preview functionality, not a full editor

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.