unified-diff-mcp

[](https://smithery.ai/server/@gorosun/unified-diff-mcp)

Beautiful diff visualization for Claude Desktop. Transform code diffs into stunning visual comparisons with GitHub Gist integration and local file output.

• 🎨 Beautiful HTML diff visualization using diff2html
• 🌐 GitHub Gist integration for instant sharing
• 📁 Local file output (PNG/HTML)
• 🔄 Auto-delete functionality for temporary diffs
• 🖥️ Cross-platform support (Windows, macOS, Linux)
• ⚡ High-performance with Bun runtime
• 🛡️ Enhanced Security with multi-level protection for shared diffs
• 🔒 Multi-level security (Low/Medium/High) for different use cases

bunx @smithery/cli install @gorosun/unified-diff-mcp --client claude --config '{
  "defaultAutoOpen": true,
  "defaultOutputMode": "html",
  "githubUsername": "your_actual_github_username",
  "githubToken": "ghp_your_actual_token_here"
}'

1. Install [Claude Desktop](https://claude.ai/download) and [Bun](https://bun.sh)
2. Clone and build:

   git clone https://github.com/gorosun/unified-diff-mcp.git
   cd unified-diff-mcp
   bun install

1. Configure Claude Desktop - see Configuration below

| Tool | Purpose | Output | Best For | |------|---------|--------|----------| | `visualize_diff_html_content` | Browser display & sharing | GitHub Gist + HTML preview URL | Quick sharing, instant viewing | | `visualize_diff_output_file` | Local file storage | PNG/HTML files | Local storage, presentations |

| Purpose | Recommended Prompt | Tool Used | Output | |------