World Language Teacher is a GPT designed to serve as a curriculum assistant for second language (L2) teachers. This tool is part of the suite of applications built on the ChatGPT platform and is intended to aid language teachers in crafting their educational plans. One of the main purposes that this AI tool serves is to support teachers in integrating the three modalities of communication into their lessons - these being the interpersonal, interpretive, and presentational modes. Users have the opportunity to generate lesson plans for languages such as Spanish, among other options. World Language Teacher also provides advice on performance assessments, which can be used to gauge the efficacy of the teacher's instructional method and student understanding. To ensure the alignment of the curriculum with accepted standards, the GPT offers support in corroborating lessons with state or regional learning benchmarks. The user-friendliness of the tool is underscored by its interactive welcome message, inviting users to define their specific language teaching needs prompting the GPT to provide suited assistance.