mcp-server-diff-typescript MCP Server

A Model Context Protocol server that provides unified diff generation capabilities.

This TypeScript-based MCP server implements a diff generation system. It provides a tool to generate unified diffs between two text strings, which is useful for comparing and analyzing text differences.

Features

Tools

• get-unified-diff - Generate unified diff between two text strings

  • Takes oldString and newString as required parameters

  • Returns the difference in unified diff format

  • Uses the diff package for accurate difference detection

  • Includes 3 lines of context around changes

Related MCP server: MCP Server Diff Python

Installation

As a Global Package

npm install -g mcp-server-diff-typescript

As a Project Dependency

npm install mcp-server-diff-typescript

Usage

Using with Claude Desktop

To use with Claude Desktop, add the server config:

On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json
On Windows: %APPDATA%/Claude/claude_desktop_config.json

"mcpServers": {
  "mcp-server-diff-typescript": {
    "command": "npx",
    "args": [
      "-y",
      "mcp-server-diff-typescript"
    ]
  }
}

or Add the following configuration:

git clone https://github.com/tatn/mcp-server-diff-typescript.git
cd mcp-server-diff-typescript
npm install
npm run build

"mcpServers": {
  "mcp-server-diff-typescript": {
    "command": "node",
    "args": [
      "/path/to/mcp-server-diff-typescript/build/index.js"
    ]
  }
}

Debugging

To debug the MCP server:

npx @modelcontextprotocol/inspector npx -y mcp-server-diff-typescript

npx @modelcontextprotocol/inspector node /path/to/mcp-server-diff-typescript/build/index.js