# CallbackContext

> **Class** in `langchain_mcp_adapters`

📖 [View in docs](https://reference.langchain.com/python/langchain-mcp-adapters/callbacks/CallbackContext)

LangChain MCP client callback context.

## Signature

```python
CallbackContext(
    self,
    server_name: str,
    tool_name: str | None = None,
)
```

## Constructors

```python
__init__(
    self,
    server_name: str,
    tool_name: str | None = None,
) -> None
```

| Name | Type |
|------|------|
| `server_name` | `str` |
| `tool_name` | `str \| None` |


## Properties

- `server_name`
- `tool_name`

---

[View source on GitHub](https://github.com/langchain-ai/langchain-mcp-adapters/blob/8f580f029fabd78891ea4dbfd1de3b1d9e4fa001/langchain_mcp_adapters/callbacks.py#L28)