E2B Code Sandbox MCP Server Configuration & Usage Guide

Supported Clients

• Claude Desktop
• Cursor
• VS Code / Cline

Installation Command

npx -y @e2b/mcp-server

Configuration Example

{
  "mcpServers": {
    "e2b": {
      "command": "npx",
      "args": [
        "-y",
        "@e2b/mcp-server"
      ],
      "env": {
        "E2B_API_KEY": "<your-e2b-api-key>"
      }
    }
  }
}

Environment variable required：E2B_API_KEY。Do not commit these values to public repositories.

Permission Scope & Security Notes

代码在 E2B 云端沙箱中执行，与本地系统隔离，相对安全但Required API Key

• network-access
• credential-required
• command-execution

Risk Score：4/10

Common Errors

API Key 无效

在 e2b.dev 注册并在 Dashboard 中获取 API Key

沙箱超时

免费版沙箱有时间限制，代码执行时间不要过长

Sources

• Official Documentation / Repository

Recently Verified：2026-05-18。Client versions and configuration formats may change. Please refer to official documentation before use.

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