English Composition Grading Assistant is a GPT specifically designed for evaluating expository writing with an emphasis on the Modern Language Association (MLA) style. This tool employs ChatGPT, an artificial intelligence model developed by OpenAI, to provide detailed feedback on various aspects of English composition writing. It helps users enhance the quality of their written work by providing constructive criticism and suggestions for improvement.The Grading Assistant is designed to interact with users using several prompt starters such as 'Can you evaluate my thesis statement?', 'How can I improve the flow of my essay?', 'What are the strengths of my argument?', 'Could you give me feedback on my use of MLA format?' and more. These prompts elicit responses that aid in the process of essay writing as well as its evaluation.Moreover, the tool has a specific capability of analyzing the correct use of MLA format in the essays, which is highly useful for scholars and students writing academic papers in humanities. It can evaluate the structure, flow, thesis statement, introduction, body paragraphs, conclusion, as well as the in-text citations. This GPT not only provides a comprehensive insight into the user's writing strengths and areas of improvement but also assists in formulating clear, cohesive, and structured arguments in line with the rules of the MLA style.The English Composition Grading Assistant is versatile and provides support on a myriad of composition-related issues, thus making it a valuable tool for both casual writers and professionals who require assistance in assessing and augmenting their writing abilities.