MCP Virtual Computer runs on your own machine — the client starts it, so there is no endpoint to ping. 3 000 installs a week from pypi. Last commit 3 Sep 2026.
A persistent Docker or Fly computer with a Three.js interface and optional live Xfce desktop.
We read the source, 19 h ago · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
async def exec(self, request: ExecRequest) -> ExecResult:
return subprocess.run(
use_shell = True
return posixpath.normpath(posixpath.join(workspace_directory, value))
- /var/run/docker.sock:/var/run/docker.sock
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp-virtual-computer -- uvx mcp-virtual-computer
{
"mcpServers": {
"mcp-virtual-computer": {
"args": [
"mcp-virtual-computer"
],
"command": "uvx"
}
}
}
[mcp_servers.mcp-virtual-computer]
command = "uvx"
args = ["mcp-virtual-computer"]
{
"mcpServers": {
"mcp-virtual-computer": {
"args": [
"mcp-virtual-computer"
],
"command": "uvx"
}
}
}
{
"mcpServers": {
"mcp-virtual-computer": {
"args": [
"mcp-virtual-computer"
],
"command": "uvx"
}
}
}
This one needs environment variables set before it will start:
BACKEND (Computer provider. Use docker for a local container or fly for a permanent Fly Machine.), COMPUTER_ID (Stable identity of the one persistent computer.), DESKTOP_ENVIRONMENT (Start the real Xfce desktop instead of the virtual desktop.), NETWORK_ACCESS (Allow outbound network access from the computer.), AUTO_INSTALL_DOCKER (On Windows, install and start Docker Desktop lazily when needed.), AUTO_INSTALL_FLYCTL (Download flyctl into the user profile when it is missing.), FLY_API_TOKEN (Optional Fly API token. A cached flyctl login is also supported.), EXPOSE_LIFECYCLE_TOOLS (Also expose runtime status and network/desktop switching tools to the model. The MCP App can always use them.).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.