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X64dbg

X64dbg is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. MCP server for x64dbg debugger - 23 mega-tools for AI-powered reverse engineering and debugging. It has 135 GitHub stars, is released under the MIT license and runs locally with npx -y x64dbg-mcp-server.

github.com/bromoket/x64dbg_mcp (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

View on GitHub (opens in a new tab)

Install X64dbg

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

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "x64dbg": {
      "command": "npx",
      "args": [
        "-y",
        "x64dbg-mcp-server"
      ],
      "env": {
        "X64DBG_MCP_HOST": "your-value",
        "X64DBG_MCP_PORT": "your-value"
      }
    }
  }
}

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

Claude Code

claude mcp add --env X64DBG_MCP_HOST=your-value --env X64DBG_MCP_PORT=your-value --transport stdio x64dbg -- npx -y x64dbg-mcp-server

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "x64dbg": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "x64dbg-mcp-server"
      ],
      "env": {
        "X64DBG_MCP_HOST": "your-value",
        "X64DBG_MCP_PORT": "your-value"
      }
    }
  }
}

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

VS Code

.vscode/mcp.json
{
  "servers": {
    "x64dbg": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "x64dbg-mcp-server"
      ],
      "env": {
        "X64DBG_MCP_HOST": "your-value",
        "X64DBG_MCP_PORT": "your-value"
      }
    }
  }
}

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).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
X64DBG_MCP_HOSTNoHost where the x64dbg plugin REST API listens
X64DBG_MCP_PORTNoPort where the x64dbg plugin REST API listens

About X64dbg

Drive x64dbg with your AI. Talk to Claude, Cursor, Windsurf, Cline, or any MCP client in plain English and it sets breakpoints, reads memory, disassembles, traces, dumps PEs, and bypasses anti-debug — live, inside the debugger.

  • ai-debugging
  • binary-analysis
  • claude
  • cpp
  • debugger
  • malware-analysis
  • mcp
  • mcp-server
  • model-context-protocol
  • plugin

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FAQ

X64dbg FAQ

Still curious? Email info@appsgit.com.

How do I install the X64dbg MCP server?

Add the command npx -y x64dbg-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 X64dbg free?

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

Is X64dbg actively maintained?

The most recent commit was on Jun 8, 2026. The latest release is v2.3.0, published Jun 8, 2026. appsgit only lists MCP servers with a commit in the last six months.