Outbox MCP Server: Install & Setup

Install Outbox in Claude Code

Remote URL

Claude Code

claude mcp add --transport http outbox https://mcp.out-box.dev/mcp

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

{
  "mcpServers": {
    "outbox": {
      "url": "https://mcp.out-box.dev/mcp"
    }
  }
}

npm

Claude Code

claude mcp add outbox -e OUTBOX_API_KEY=... -- npx -y @out-box/mcp

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

{
  "mcpServers": {
    "outbox": {
      "command": "npx",
      "args": [
        "-y",
        "@out-box/mcp"
      ],
      "env": {
        "OUTBOX_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Outbox MCP server do?

Publish and manage HTML pages in your agents-first Outbox library from any MCP client.

Is the Outbox 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 Outbox run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Outbox to Claude Code?

Run: claude mcp add --transport http outbox https://mcp.out-box.dev/mcp

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