# MCPServerErrorScreen

> **Class** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/widgets/mcp_viewer/MCPServerErrorScreen)

Read-only modal for a failed MCP server's error details.

## Signature

```python
MCPServerErrorScreen(
    self,
    server: MCPServerInfo,
)
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `server` | `MCPServerInfo` | Yes | Failed MCP server whose error text should be displayed. |

## Extends

- `ModalScreen[None]`

## Constructors

```python
__init__(
    self,
    server: MCPServerInfo,
) -> None
```

| Name | Type |
|------|------|
| `server` | `MCPServerInfo` |


## Properties

- `BINDINGS`
- `CSS`

## Methods

- [`compose()`](https://reference.langchain.com/python/deepagents-code/widgets/mcp_viewer/MCPServerErrorScreen/compose)
- [`action_copy_error()`](https://reference.langchain.com/python/deepagents-code/widgets/mcp_viewer/MCPServerErrorScreen/action_copy_error)
- [`action_cancel()`](https://reference.langchain.com/python/deepagents-code/widgets/mcp_viewer/MCPServerErrorScreen/action_cancel)

---

[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/d1c6946218b4f0f86ab7b02b6bb6af1e4b75cede/libs/code/deepagents_code/widgets/mcp_viewer.py#L502)