# X64dbg (MCP server)

> 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 131 GitHub stars, is released under the MIT license and runs locally with npx -y x64dbg-mcp-server.

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.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/bromoket/x64dbg_mcp |
| GitHub stars | 131 |
| License | MIT |
| Language | C++ |
| Transport | stdio |
| Packages | npm: x64dbg-mcp-server |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Developer tools |
| Latest release | v2.3.0 (Jun 8, 2026) |
| Last commit | Jun 8, 2026 |
| MCP registry name | io.github.bromoket/x64dbg |

## Install

### Claude Desktop (claude_desktop_config.json)

```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

```sh
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)

```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)

```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 2026-10-07.

## Environment variables

- `X64DBG_MCP_HOST`: Host where the x64dbg plugin REST API listens
- `X64DBG_MCP_PORT`: Port where the x64dbg plugin REST API listens

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