Modal VM Sandbox
Verified IntegrationClient Configuration
— Connect Modal VM Sandbox to Claude Desktop or Cursor in seconds{
"mcpServers": {
"modal-vm-sandbox": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-modal-vm-sandbox"
],
"env": {}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).System Overview
Provides a VM-like sandbox environment on Modal for agents, featuring persistent filesystem state and an MCP endpoint for interaction.
7/23/2026
Open Source
stdio / SSE RPC
Frequently Asked Questions
Architecture and operational details for Modal VM Sandbox
Modal VM Sandbox offers a stable filesystem, resumable runtime context, and programmable tools using Modal's serverless primitives, eliminating the need to manage your own VM fleet and reducing operational overhead for agent workflows.
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