| If | Magicbane.App, Magicbane |
| imATeapot418 | Magicbane |
| impureThrow | Magicbane |
| IncompleteHeaders | Magicbane.HTTPClient, Magicbane |
| increment | Magicbane.Metrics, Magicbane |
| insertCheckedCookie | Magicbane.HTTPClient, Magicbane |
| insertCookiesIntoRequest | Magicbane.HTTPClient, Magicbane |
| InternalException | Magicbane.HTTPClient, Magicbane |
| internalServerError500 | Magicbane |
| InvalidChunkHeaders | Magicbane.HTTPClient, Magicbane |
| InvalidDestinationHost | Magicbane.HTTPClient, Magicbane |
| InvalidHeader | Magicbane.HTTPClient, Magicbane |
| InvalidProxyEnvironmentVariable | Magicbane.HTTPClient, Magicbane |
| InvalidProxySettings | Magicbane.HTTPClient, Magicbane |
| InvalidStatusLine | Magicbane.HTTPClient, Magicbane |
| InvalidUrlException | Magicbane.HTTPClient, Magicbane |
| IOException | Magicbane |
| isAbsoluteURI | Magicbane.HTTPClient, Magicbane |
| isAllowedInURI | Magicbane.HTTPClient, Magicbane |
| isAsyncException | Magicbane |
| isCurrentThreadBound | Magicbane |
| IsElem | Magicbane.App, Magicbane |
| IsElem' | Magicbane.App, Magicbane |
| isEmptyMVar | Magicbane |
| IsIn | Magicbane.App, Magicbane |
| isIpAddress | Magicbane.HTTPClient, Magicbane |
| isIPv4address | Magicbane.HTTPClient, Magicbane |
| isIPv6address | Magicbane.HTTPClient, Magicbane |
| isJustT | Magicbane |
| isLeft | Magicbane |
| isLeftT | Magicbane |
| isNothingT | Magicbane |
| isRelativeReference | Magicbane.HTTPClient, Magicbane |
| isReserved | Magicbane.HTTPClient, Magicbane |
| isRight | Magicbane |
| isRightT | Magicbane |
| IsSecure | Magicbane.App, Magicbane |
| IsStrictSubAPI | Magicbane.App, Magicbane |
| IsSubAPI | Magicbane.App, Magicbane |
| IsSubList | Magicbane.App, Magicbane |
| isSyncException | Magicbane |
| isUnescapedInURI | Magicbane.HTTPClient, Magicbane |
| isUnescapedInURIComponent | Magicbane.HTTPClient, Magicbane |
| isUnreserved | Magicbane.HTTPClient, Magicbane |
| isURI | Magicbane.HTTPClient, Magicbane |
| isURIReference | Magicbane.HTTPClient, Magicbane |