SandboxAPI vs E2b Sandbox MCP

In-depth architectural comparison of the SandboxAPI and E2b Sandbox MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose SandboxAPI when:

• You need dedicated capabilities in the Code Execution domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: SANDBOXAPI_API_KEY, MCP_API_KEY, MCP_PORT, SANDBOXAPI_URL.
• Primary tools included: execute_code, execute_batch, list_languages.

Explore SandboxAPI Details

Choose E2b Sandbox MCP when:

• You need dedicated capabilities in the Code Execution domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• You have access to required keys: E2B_API_KEY, GITHUB_TOKEN.
• Primary tools included: sandbox_create, sandbox_list, sandbox_info.

Feature & Specification Comparison

Specification	SandboxAPI Code Execution	E2b Sandbox MCP asif-nvc Code Execution
Summary	Execute code in 8 languages (Python, JS, TS, Go, Java, C++, C, Bash) in gVisor sandboxes.	Connect Claude Code with E2B cloud sandboxes — 29 tools for creating isolated Linux VMs, cloning repos, running commands, managing files, and performing git operations without touching the local machine.
Category & Scope	Code Execution

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "sandboxapi": {
      "url": "https://mcp.sandboxapi.dev/mcp"
    }
  }
}

{
  "mcpServers": {
    "asif-nvc-e2b-sandbox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "e2b-sandbox-mcp"
      ],
      "env": {
        "E2B_API_KEY": "YOUR_E2B_API_KEY_HERE",
        "GITHUB_TOKEN": "YOUR_GITHUB_TOKEN_HERE"
      }
    }
  }
}

Related MCP Server Comparisons