fastmcp/docs/python-sdk/fastmcp-utilities-exceptions.mdx
2026-08-06 19:56:40 -04:00

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---
title: exceptions
sidebarTitle: exceptions
---
# `fastmcp.utilities.exceptions`
## Functions
### `is_http_status_error` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/utilities/exceptions.py#L19" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
is_http_status_error(exc: BaseException) -> bool
```
Return whether an exception is an httpx2 or legacy-httpx status error.
### `get_http_status_code` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/utilities/exceptions.py#L26" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_http_status_code(exc: BaseException) -> int | None
```
Return the response status code from a recognized HTTP status error.
### `is_timeout_error` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/utilities/exceptions.py#L34" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
is_timeout_error(exc: BaseException) -> bool
```
Return whether an exception is an httpx2 or legacy-httpx timeout.
### `is_request_error` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/utilities/exceptions.py#L41" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
is_request_error(exc: BaseException) -> bool
```
Return whether an exception is an httpx2 or legacy-httpx request error.
### `iter_exc` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/utilities/exceptions.py#L48" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
iter_exc(group: BaseExceptionGroup)
```
### `get_catch_handlers` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/utilities/exceptions.py#L76" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_catch_handlers() -> Mapping[type[BaseException] | Iterable[type[BaseException]], Callable[[BaseExceptionGroup[Any]], Any]]
```