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Image Diff

Image Diff is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. MCP server for programmatic image comparison and visual diff generation. It has 81 GitHub stars, is released under the MIT license and runs locally with npx -y @pulsemcp/image-diff-mcp-server.

github.com/pulsemcp/mcp-servers (opens in a new tab)

  • Official
  • Other
  • MIT
  • Actively maintained
View on GitHub (opens in a new tab)

Install Image Diff

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "image-diff": {
      "command": "npx",
      "args": [
        "-y",
        "@pulsemcp/image-diff-mcp-server"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio image-diff -- npx -y @pulsemcp/image-diff-mcp-server

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "image-diff": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@pulsemcp/image-diff-mcp-server"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "image-diff": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@pulsemcp/image-diff-mcp-server"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Tools (13)

Parsed from the Tools section of the README; check the repository for the current list.

  • get_diff_of_images

    Compare two images and get structured diff results.

  • source_image

    string

  • target_image

    string

  • threshold

    number

  • include_aa

    boolean

  • min_cluster_size

    number

  • cluster_gap

    number

  • identical

    boolean indicating if images match

  • summary

    overall diff statistics (pixel counts, percentages, cluster count)

  • clusters

    array of diff regions with bounding boxes, severity ratings, and intensity metrics

  • clustering

    gap used, whether it was auto-computed, and suggested alternative gap values

  • alignment

    position coordinates, confidence score, strategy used, and timing

  • dimensions

    width and height of the compared region

About Image Diff

A Model Context Protocol (MCP) server for programmatic image comparison and visual diff generation. Compares two images pixel-by-pixel, identifies clusters of visual differences, and generates heatmap visualizations.

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FAQ

Image Diff FAQ

Still curious? Email info@appsgit.com.

What is Image Diff?

Image Diff is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. MCP server for programmatic image comparison and visual diff generation. It has 81 GitHub stars, is released under the MIT license and runs locally with npx -y @pulsemcp/image-diff-mcp-server. The source code is at github.com/pulsemcp/mcp-servers.

How do I install the Image Diff MCP server?

Add the command npx -y @pulsemcp/image-diff-mcp-server to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Image Diff free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Image Diff actively maintained?

The most recent commit was on Aug 30, 2026. The latest release is monorepo-latest-placeholder@0.0.0, published Jul 3, 2025. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.