# fastmcp.server.tasks.routing

Task routing helper for MCP components. Provides unified task mode enforcement and docket routing logic.

## Functions

### check_background_task

```
check_background_task(component: Tool | Resource | ResourceTemplate | Prompt, task_type: TaskType, arguments: dict[str, Any] | None = None, task_meta: TaskMeta | None = None) -> mcp.types.CreateTaskResult | None
```

Check task mode and submit to background if requested.

**Args:**

- `component`: The MCP component
- `task_type`: Type of task (“tool”, “resource”, “template”, “prompt”)
- `arguments`: Arguments for tool/prompt/template execution
- `task_meta`: Task execution metadata. If provided, execute as background task.

**Returns:**

- CreateTaskResult if submitted to docket, None for sync execution

**Raises:**

- `McpError`: If mode=“required” but no task metadata, or mode=“forbidden” but task metadata is present.