# format_mcp_wire_name

> **Function** in `deepagents_code`

📖 [View in docs](https://reference.langchain.com/python/deepagents-code/hooks/tools/format_mcp_wire_name)

Format a compatible MCP wire tool name.

## Signature

```python
format_mcp_wire_name(
    server: str,
    tool: str,
) -> str
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `server` | `str` | Yes | MCP server name. |
| `tool` | `str` | Yes | Bare MCP tool name. |

## Returns

`str`

`mcp__{server}__{tool}`.

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/caaa7e7c12d214afa5cf0a1afed8eb6232aa6f7b/libs/code/deepagents_code/hooks/tools.py#L82)