---
title: "Exceptions"
description: "MCP-use exceptions API Documentation"
icon: "code"
github: "https://github.com/mcp-use/mcp-use/blob/main/libraries/python/mcp_use/client/exceptions.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/client/exceptions.py' target='_blank' rel='noopener noreferrer'>https://github.com/mcp-use/mcp-use/blob/main/libraries/python/mcp_use/client/exceptions.py</a>
</Callout>

MCP-use exceptions.

## ConfigurationError

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<div className="text-black font-bold text-xl mb-2 mt-8"><code className="!text-black">class</code> ConfigurationError</div>

Configuration-related errors.

</div>
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```python
from mcp_use.client.exceptions import ConfigurationError
```

<Card type="info">
### `method` __init__

Initialize self.  See help(type(self)) for accurate signature.

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

**Signature**
```python wrap
def __init__(args, kwargs):
```

</Card>
</div>

## ConnectionError

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<div className="text-black font-bold text-xl mb-2 mt-8"><code className="!text-black">class</code> ConnectionError</div>

Connection-related errors.

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</RandomGradientBackground>
```python
from mcp_use.client.exceptions import ConnectionError
```

<Card type="info">
### `method` __init__

Initialize self.  See help(type(self)) for accurate signature.

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

**Signature**
```python wrap
def __init__(args, kwargs):
```

</Card>
</div>

## MCPError

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<div className="text-black">
<div className="text-black font-bold text-xl mb-2 mt-8"><code className="!text-black">class</code> MCPError</div>

Base exception for MCP-use.

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```python
from mcp_use.client.exceptions import MCPError
```

<Card type="info">
### `method` __init__

Initialize self.  See help(type(self)) for accurate signature.

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

**Signature**
```python wrap
def __init__(args, kwargs):
```

</Card>
</div>

## OAuthAuthenticationError

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<div className="text-black">
<div className="text-black font-bold text-xl mb-2 mt-8"><code className="!text-black">class</code> OAuthAuthenticationError</div>

OAuth authentication-related errors

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```python
from mcp_use.client.exceptions import OAuthAuthenticationError
```

<Card type="info">
### `method` __init__

Initialize self.  See help(type(self)) for accurate signature.

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

**Signature**
```python wrap
def __init__(args, kwargs):
```

</Card>
</div>

## OAuthDiscoveryError

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<div className="text-black">
<div className="text-black font-bold text-xl mb-2 mt-8"><code className="!text-black">class</code> OAuthDiscoveryError</div>

OAuth discovery auth metadata error

</div>
</RandomGradientBackground>
```python
from mcp_use.client.exceptions import OAuthDiscoveryError
```

<Card type="info">
### `method` __init__

Initialize self.  See help(type(self)) for accurate signature.

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

**Signature**
```python wrap
def __init__(args, kwargs):
```

</Card>
</div>
