MCP Diff Editor

MCP Diff Editor

samihalawa

Developer Tools
Visit Server

README

MCP Diff Editor

A powerful MCP-integrated diff editor for modifying files with preview capabilities.

Features

  • Edit files through a web interface with real-time diff preview
  • Apply changes using unified diff format or complete file replacement
  • Create backups automatically before making changes
  • Restore from previous backups
  • View examples of common diff operations
  • Security controls to prevent unauthorized file access

Usage as MCP

The MCP diff editor provides the following methods:

start

Start the diff editor server

stop

Stop the diff editor server

status

Check server status

edit_file

Open the diff editor for a specific file

  • Parameters:
    • file_path: Path to the file to edit

apply_diff

Apply a diff to a file

  • Parameters:
    • file_path: Path to the file to modify
    • diff_content: Diff content to apply

preview_diff

Preview a diff without applying it

  • Parameters:
    • file_path: Path to the file to preview changes for
    • diff_content: Diff content to preview

Example Usage

const mcp = require('mcp');
const diffEditor = mcp.get('diff_editor');

// Start the server
await diffEditor.start();

// Open the editor for a specific file
const result = await diffEditor.edit_file({
  file_path: '/path/to/your/file.txt'
});

// Get the URL to access the editor
console.log(result.url);

// Apply a diff to a file
await diffEditor.apply_diff({
  file_path: '/path/to/your/file.txt',
  diff_content: `@@ -5,7 +5,7 @@
   <title>Sample Page</title>
 </head>
 <body>
-  <h1>Welcome to our website</h1>
+  <h1>Welcome to our awesome website!</h1>
   <p>Thanks for visiting us.</p>
 </body>
 </html>`
});

Environment Variables

  • PORT: HTTP port (default: 3009)
  • MCP_FILE_DIR: Directory to use as base for file operations (default: current directory)
  • MCP_ALLOW_ANY_PATH: Set to 'true' to allow accessing files outside the working directory

Installation

This module is intended to be used as an MCP in the /Users/samihalawa/Documents/MCP directory and should be automatically available in the MCP interface after installation.

Recommended Servers

playwright-mcp

playwright-mcp

A Model Context Protocol server that enables LLMs to interact with web pages through structured accessibility snapshots without requiring vision models or screenshots.

Official
Featured
TypeScript
Magic Component Platform (MCP)

Magic Component Platform (MCP)

An AI-powered tool that generates modern UI components from natural language descriptions, integrating with popular IDEs to streamline UI development workflow.

Official
Featured
Local
TypeScript
MCP Package Docs Server

MCP Package Docs Server

Facilitates LLMs to efficiently access and fetch structured documentation for packages in Go, Python, and NPM, enhancing software development with multi-language support and performance optimization.

Featured
Local
TypeScript
Claude Code MCP

Claude Code MCP

An implementation of Claude Code as a Model Context Protocol server that enables using Claude's software engineering capabilities (code generation, editing, reviewing, and file operations) through the standardized MCP interface.

Featured
Local
JavaScript
@kazuph/mcp-taskmanager

@kazuph/mcp-taskmanager

Model Context Protocol server for Task Management. This allows Claude Desktop (or any MCP client) to manage and execute tasks in a queue-based system.

Featured
Local
JavaScript
Linear MCP Server

Linear MCP Server

Enables interaction with Linear's API for managing issues, teams, and projects programmatically through the Model Context Protocol.

Featured
JavaScript
mermaid-mcp-server

mermaid-mcp-server

A Model Context Protocol (MCP) server that converts Mermaid diagrams to PNG images.

Featured
JavaScript
Jira-Context-MCP

Jira-Context-MCP

MCP server to provide Jira Tickets information to AI coding agents like Cursor

Featured
TypeScript
Linear MCP Server

Linear MCP Server

A Model Context Protocol server that integrates with Linear's issue tracking system, allowing LLMs to create, update, search, and comment on Linear issues through natural language interactions.

Featured
JavaScript
Sequential Thinking MCP Server

Sequential Thinking MCP Server

This server facilitates structured problem-solving by breaking down complex issues into sequential steps, supporting revisions, and enabling multiple solution paths through full MCP integration.

Featured
Python