Downloadable computer software featuring artificial intelligence in the nature of an autonomous artificial intelligence agent for executing tasks on behalf of users via natural language commands, automating business workflows, managing electronic mail and calendar data, automating web browser operations, executing operating system-level commands, reading and writing computer files, and performing business operations research and analysis; downloadable computer software featuring artificial intelligence for simulating human conversation and generating text responses based on natural language inputs; downloadable computer software featuring artificial intelligence for integrating with third-party messaging platforms, including chat and instant messaging applications; downloadable computer software for deploying, managing, and orchestrating automated background tasks and scheduled operations; downloadable computer software featuring artificial intelligence for performing document summarization, inbox management, and automated business task execution; downloadable computer software for routing natural language commands to large language model providers and executing responses through connected business tools and applications; downloadable application programming interface (API) software for integrating artificial intelligence agent functionality with third-party business applications and services; downloadable computer software for managing and organizing computer files and performing automated data cleaning operations; downloadable plug-in software modules for expanding artificial intelligence agent functionality with additional automated task execution capabilities