# convert_mcp_prompt_message_to_langchain_message

> **Function** in `langchain_mcp_adapters`

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

Convert an MCP prompt message to a LangChain message.

## Signature

```python
convert_mcp_prompt_message_to_langchain_message(
    message: PromptMessage,
) -> HumanMessage | AIMessage
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `message` | `PromptMessage` | Yes | MCP prompt message to convert |

## Returns

`HumanMessage | AIMessage`

A LangChain message

---

[View source on GitHub](https://github.com/langchain-ai/langchain-mcp-adapters/blob/8f580f029fabd78891ea4dbfd1de3b1d9e4fa001/langchain_mcp_adapters/prompts.py#L14)