# 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

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[View source on GitHub](https://github.com/langchain-ai/langchain-mcp-adapters/blob/cc0f2843fd5becf2cdb641c910533c3747c3b1ef/langchain_mcp_adapters/prompts.py#L14)