CodeSquire is an AI coding assistant purposely built for data scientists, engineers, and analysts. It installs as a Chrome extension that watches your notebooks in Google Colab, BigQuery and JupyterLab, then delivers context-aware completions you can accept with a single Tab press. The model turns plain-English comments into ready-to-run code: ask for “a Plotly bar chart of survival by passenger class” or “a function that uploads a parquet file to S3 using boto3” and the full snippet appears instantly. It also writes multi-step functions from a short bullet list, translates natural language into SQL, and can explain existing code in plain text. Completions respect your variable names and preferred libraries, so every suggestion feels personally authored. No separate IDE or API keys are required—install, sign up, and the assistant is active wherever you work in the browser.