TOOLS UCI and CMU are developing a collection of tools to support xArch, some of which will be available in the very short term. Tools under development include: an API for accessing architectural instances defined in xArch translators between xArch and a selected subset of Acme xArch-based tools for working with architectures in the C2 style Java API's for the core of xArch, as well as for several extensions, are available at the xArch @ UCI Web site.