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Sandboxer

Official registry Developer tools

Cloud Linux VMs for your agent: run code, Docker, files and HTTPS previews in a Sandboxer microVM.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http sandboxer 'https://sandboxer.com/mcp' --header 'Authorization: <Bearer <Sandboxer API key>. Optional for clients that sign in with OAuth.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sandboxer": {
            "type": "http",
            "url": "https://sandboxer.com/mcp",
            "headers": {
                "Authorization": "<Bearer <Sandboxer API key>. Optional for clients that sign in with OAuth.>"
            }
        }
    }
}
NPM package sandboxer-mcp
Claude Code 
claude mcp add sandboxer -e 'SANDBOXER_API_KEY=<your sandboxer_api_key>' -- npx -y sandboxer-mcp@0.1.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sandboxer": {
            "command": "npx",
            "args": [
                "-y",
                "sandboxer-mcp@0.1.0"
            ],
            "env": {
                "SANDBOXER_API_KEY": "<your sandboxer_api_key>"
            }
        }
    }
}

Environment variables

  • SANDBOXER_API_KEY secret Sandboxer API key (create one on the dashboard under API keys). Optional if you signed in with `sbx login`.

Frequently asked questions

What is Sandboxer?

Cloud Linux VMs for your agent: run code, Docker, files and HTTPS previews in a Sandboxer microVM.

How do I install Sandboxer?

It runs as a remote server. In Claude Code: claude mcp add --transport http sandboxer 'https://sandboxer.com/mcp' --header 'Authorization: <Bearer <Sandboxer API key>. Optional for clients that sign in with OAuth.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Sandboxer need an API key?

Yes. It expects SANDBOXER_API_KEY, Authorization, which you set in its configuration.

Who maintains Sandboxer?

It is published by com.sandboxer. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.