Xcode Tools 2.2.1 Release was released on 13 Jan 2006 and requires macOS 10.4+.
It can be downloaded from https://download.developer.apple.com/Developer_Tools/xcode_tools_2.2.1/xcode_2.2.1_8g1165_018213632.dmg.
Release notes are located at https://download.developer.apple.com/Developer_Tools/xcode_tools_2.2.1/xcode_2.2.1_readme.pdf.