Sandbox MCP Server: Install & Setup

Install Sandbox in Claude Code

Claude Code

claude mcp add sandbox -e YOUR_API_KEY=... -- uvx transactions-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "sandbox": {
      "command": "uvx",
      "args": [
        "transactions-mcp"
      ],
      "env": {
        "YOUR_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Sandbox MCP server do?

An MCP server that provides [describe what your server does]

Is the Sandbox MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Sandbox run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Sandbox to Claude Code?

Run: claude mcp add sandbox -e YOUR_API_KEY=... -- uvx transactions-mcp

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