# Function: mcpServer()

```ts
function mcpServer(name: string, url: string): CustomMcpServerTool;

```

Factory for declaring a custom MCP server tool.

Replaces the verbose `{ type: "custom_mcp_server", custom_mcp_server: { app_name, app_url } }` wrapper with a concise positional call.

Example:

```ts
mcpServer("my-app", "https://my-app.databricksapps.com/mcp")

```

## Parameters[​](#parameters "Direct link to Parameters")

| Parameter | Type     |
| --------- | -------- |
| `name`    | `string` |
| `url`     | `string` |

## Returns[​](#returns "Direct link to Returns")

`CustomMcpServerTool`