---
title: "Utils"
description: "Utils API Documentation"
icon: "code"
github: "https://github.com/mcp-use/mcp-use/blob/main/libraries/python/mcp_use/server/utils/utils.py"
---

import {RandomGradientBackground} from "/snippets/gradient.jsx"

<Callout type="info" title="Source Code">
View the source code for this module on GitHub: <a href='https://github.com/mcp-use/mcp-use/blob/main/libraries/python/mcp_use/server/utils/utils.py' target='_blank' rel='noopener noreferrer'>https://github.com/mcp-use/mcp-use/blob/main/libraries/python/mcp_use/server/utils/utils.py</a>
</Callout>


## estimate_tokens
<Card type="info">
### `function` estimate_tokens

Rough estimate of token count (approximately 4 characters per token).

```python
from mcp_use.server.utils.utils import estimate_tokens
```

**Parameters**
><ParamField body="text" type="str" required="True" >   String value </ParamField>

**Returns**
><ResponseField name="returns" type="int" />

**Signature**
```python wrap
def estimate_tokens(text: str):
```

</Card>


## get_local_network_ip
<Card type="info">
### `function` get_local_network_ip

Get the local network IP address.

```python
from mcp_use.server.utils.utils import get_local_network_ip
```

**Returns**
><ResponseField name="returns" type="str | None" />

**Signature**
```python wrap
def get_local_network_ip():
```

</Card>


## get_return_type
<Card type="info">
### `function` get_return_type

Get the return type annotation from a function or callable class.

```python
from mcp_use.server.utils.utils import get_return_type
```

**Parameters**
><ParamField body="func_or_callable" required="True" >   Parameter value </ParamField>

**Returns**
><ResponseField name="returns" type="type" />

**Signature**
```python wrap
def get_return_type(func_or_callable):
```

</Card>
