---
title: parser
sidebarTitle: parser
---
# `fastmcp.utilities.openapi.parser`
OpenAPI parsing logic for converting OpenAPI specs to HTTPRoute objects.
## Functions
### `parse_openapi_to_http_routes`
```python
parse_openapi_to_http_routes(openapi_dict: dict[str, Any]) -> list[HTTPRoute]
```
Parses an OpenAPI schema dictionary into a list of HTTPRoute objects
using the openapi-pydantic library.
Supports both OpenAPI 3.0.x and 3.1.x versions.
## Classes
### `OpenAPIParser`
Unified parser for OpenAPI schemas with generic type parameters to handle both 3.0 and 3.1.
**Methods:**
#### `parse`
```python
parse(self) -> list[HTTPRoute]
```
Parse the OpenAPI schema into HTTP routes.