---
title: models
sidebarTitle: models
---
# `fastmcp.utilities.openapi.models`
Intermediate Representation (IR) models for OpenAPI operations.
## Classes
### `ParameterInfo`
Represents a single parameter for an HTTP operation in our IR.
### `RequestBodyInfo`
Represents the request body for an HTTP operation in our IR.
### `ResponseInfo`
Represents response information in our IR.
### `HTTPRoute`
Intermediate Representation for a single OpenAPI operation.