Windsurf and Cascade MCP setup

pip install sendmux-mcp

export SENDMUX_MBX_KEY=smx_mbx_...

export SENDMUX_ROOT_KEY=smx_root_...

{
  "mcpServers": {
    "sendmux-mailbox": {
      "command": "sendmux-mcp-mailbox",
      "env": {
        "SENDMUX_API_KEY": "smx_mbx_..."
      }
    }
  }
}

SENDMUX_API_KEY=smx_mbx_... \
SENDMUX_MCP_HTTP_BEARER_TOKEN=local-mcp-token \
sendmux-mcp-mailbox --transport http --host 127.0.0.1 --port 8765

{
  "mcpServers": {
    "sendmux-local": {
      "serverUrl": "http://127.0.0.1:8765/mcp",
      "headers": {
        "Authorization": "Bearer local-mcp-token"
      }
    }
  }
}