gorosun/unified-diff-mcp

Overview

A Model Context Protocol server that generates unified diff comparisons and renders them as HTML or PNG images. It supports side-by-side and line-by-line views and integrates with filesystem dry-run operations.

Best for

Best for
Developers who need visual diff output in their MCP-based toolchain

Use cases

• Visualize code changes before applying them in a dry-run workflow
• Generate shareable HTML or PNG diff reports for code reviews
• Compare file versions with side-by-side or line-by-line formatting

How to use

Install

bunx @smithery/cli install @gorosun/unified-diff-mcp --client claude --config '{

Tools exposed

• GITHUB_TOKEN
• DEFAULT_AUTO_OPEN
• DEFAULT_OUTPUT_MODE

Tested with

Claude Desktop, Claude Code, Cline, VS Code

Notes

A Model Context Protocol server that generates unified diff comparisons and renders them as HTML or PNG images. It supports side-by-side and line-by-line views and integrates with filesystem dry-run operations.

12 stars on GitHub. Last updated 2025-06-02.

Use cases

• Visualize code changes before applying them in a dry-run workflow
• Generate shareable HTML or PNG diff reports for code reviews
• Compare file versions with side-by-side or line-by-line formatting

Pros

• Produces human-readable visual diffs in multiple formats
• Integrates with MCP clients for automated diff generation
• Lightweight TypeScript implementation with clear output

Cons

• Limited to 12 GitHub stars, indicating early-stage adoption
• No documented support for large file or directory diffs
• Requires an MCP-compatible client to be useful

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