CreateOS Sandbox MCP Server
Firecracker micro-VMs for AI agents: own kernel per sandbox, private networking, pause-to-zero, no egress fees.
CreateOS Sandbox is a Developer Tools MCP (Model Context Protocol) server: Firecracker micro-VMs for AI agents: own kernel per sandbox, private networking, pause-to-zero, no egress fees. It is MIT-licensed and available as a hosted endpoint, so it works with no local install. Listed on MCP Collection since October 2026.
About CreateOS Sandbox
CreateOS Sandbox gives every agent its own computer: a Firecracker micro-VM with its own Linux kernel. Run untrusted or model-generated code safely, connect sandboxes over a private network, pause and resume with full state, and mount your own S3-compatible storage. Billed per second. No egress fees.
Live status
The endpoint answered our daily check on Oct 30, 2026 and asks for sign-in (OAuth or an API key) before it lists its tools.
How to connect CreateOS Sandbox to Claude, Cursor or VS Code
CreateOS Sandbox runs as a hosted remote MCP server at https://createos.sh/mcp. Add that URL to your MCP client's config (Claude Code, Cursor, Windsurf or VS Code) and the tools appear immediately, no install required.
{
"mcpServers": {
"createos-sandbox": {
"url": "https://createos.sh/mcp"
}
}
}Claude Code: claude mcp add --transport http createos-sandbox https://createos.sh/mcp. Servers that require OAuth or an API key will prompt on first use.
CreateOS Sandbox FAQ
What is CreateOS Sandbox?
CreateOS Sandbox is a Model Context Protocol (MCP) server in the Developer Tools category. Firecracker micro-VMs for AI agents: own kernel per sandbox, private networking, pause-to-zero, no egress fees. MCP servers expose tools that AI assistants like Claude can call during a conversation.
How do I use CreateOS Sandbox with Claude or Cursor?
CreateOS Sandbox runs as a hosted remote MCP server at https://createos.sh/mcp. Add that URL to your MCP client's config (Claude Code, Cursor, Windsurf or VS Code) and the tools appear immediately, no install required.
Is CreateOS Sandbox free to use?
CreateOS Sandbox is published under the MIT license, so the software itself is free to run. Hosted or API-backed servers may have their own usage tiers; check the project homepage.
Is the CreateOS Sandbox MCP server online?
Yes. MCP Collection checks the endpoint every day; it last answered on Oct 30, 2026 and asks for sign-in (OAuth or an API key) before listing tools.
Where is the source code for CreateOS Sandbox?
The source is at github.com/NodeOps-app/createos-sandbox-sdk.