# VMware Fusion MCP Server

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---

A Model Context Protocol (MCP) server for managing VMware Fusion virtual machines via the Fusion REST API, built with [FastMCP](https://github.com/jlowin/fastmcp).

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---

## Features

 [![Demo](https://img.youtube.com/vi/ToiPQwEWK5E/0.jpg)](https://www.youtube.com/watch?v=ToiPQwEWK5E)

- **List VMs**: View all VMs registered in VMware Fusion.
- **Get VM Info**: Retrieve detailed information about a specific VM.
- **Power Operations**: Perform power actions (on, off, suspend, pause, unpause, reset) on a VM.
- **Get Power State**: Query the current power state of a VM.
- **Modern MCP/LLM Integration**: Exposes all features as MCP tools for LLMs and agent frameworks.

---

## Prerequisites

- **VMware Fusion Pro** (with REST API enabled)
- **Python 3.10+**
- **[uv](https://github.com/astral-sh/uv)** (recommended) or pip
- **[uvx](https://github.com/modelcontextprotocol/uvx)** (for VS Code/LLM integration)

---

## Installation

1. **Clone the repository:**
   ```bash
   git clone https://github.com/yeahdongcn/vmware-fusion-mcp-server.git
   cd vmware-fusion-mcp-server
   ```

2. **Set up the environment and install dependencies:**
   ```bash
   make env
   ```

---

## VMware Fusion Setup

1. **Enable the REST API:**
   - Open VMware Fusion > Preferences > Advanced
   - Check "Enable REST API"
   - Note the API port (default: 8697)

2. **Start the REST API service:**
   ```bash
   vmrest
   ```
   The API will be available at `http://localhost:8697` by default.

---

## Configuration

The server connects to VMware Fusion's REST API at `http://localhost:8697` by default. You must configure authentication for the vmrest API using environment variables:

- `VMREST_USER`: Username for the vmrest API (required if authentication is enabled)
- `VMREST_PASS`: Password for the vmrest API (required if authentication is enabled)

These must be set in your shell, in your VS Code MCP config, or in your deployment environment.

### Example: MCP server config for VS Code with credentials

```json
{
  "mcpServers": {
    "vmware-fusion": {
      "command": "uvx",
      "args": ["vmware-fusion-mcp-server"],
      "env": {
        "VMREST_USER": "your-username",
        "VMREST_PASS": "your-password"
      }
    }
  }
}
```

- Set `VMREST_USER` and `VMREST_PASS` to your vmrest credentials.

---

## Usage

### Run the MCP Server

#### With Make

```bash
VMREST_USER=your-username VMREST_PASS=your-password make run
```

#### With uvx (recommended for VS Code/LLM)

```bash
VMREST_USER=your-username VMREST_PASS=your-password uvx vmware-fusion-mcp-server
```

---

## VS Code / LLM Integration

To use this server as a tool provider in VS Code (or any MCP-compatible client):

1. **Install [uvx](https://github.com/modelcontextprotocol/uvx):**
   ```bash
   uv pip install uvx
   ```

2. **Add to your MCP server config (e.g., `.vscode/mcp.json`):**
   ```json
   {
     "mcpServers": {
       "vmware-fusion": {
         "command": "uvx",
         "args": ["vmware-fusion-mcp-server"],
         "env": {
           "VMREST_USER": "your-username",
           "VMREST_PASS": "your-password"
         }
       }
     }
   }
   ```
   - Set `VMREST_USER` and `VMREST_PASS` to your vmrest credentials.
   - You can now use the VMware Fusion tools in any MCP-enabled LLM or agent in VS Code.

---

## MCP Tools

### list_vms

- **Description:** List all VMs in VMware Fusion.
- **Parameters:** None

### get_vm_info

- **Description:** Get detailed information about a specific VM.
- **Parameters:**
  - `vm_id` (string): The ID of the VM

### power_vm

- **Description:** Perform a power action on a VM.
- **Parameters:**
  - `vm_id` (string): The ID of the VM
  - `action` (string): One of: "on", "off", "suspend", "pause", "unpause", "reset"

### get_vm_power_state

- **Description:** Get the power state of a specific VM.
- **Parameters:**
  - `vm_id` (string): The ID of the VM

---

## Development

### Run Tests

```bash
make test
```

### Format Code

```bash
make fmt
```

### Lint

```bash
make lint
```

---

## Project Structure

- `vmware_fusion_mcp/server.py` - Main FastMCP server implementation
- `vmware_fusion_mcp/vmware_client.py` - VMware Fusion REST API client
- `tests/` - Unit and integration tests

---

## License

MIT License - see [LICENSE](LICENSE) for details.

---

## Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Run tests and linting: `make test && make lint`
5. Submit a pull request

---

## References

- [FastMCP Documentation](https://gofastmcp.com/)
- [Model Context Protocol](https://modelcontextprotocol.io/)
- [uvx](https://github.com/modelcontextprotocol/uvx)
- [fetch server example](https://github.com/modelcontextprotocol/servers/tree/main/src/fetch)