MCP Browser Agent is a browser-based autonomous AI agent framework that leverages large language models to perform web navigation, data scraping, content summarization, form interaction, and automated task sequences. Built as a lightweight JavaScript library, it integrates seamlessly with OpenAI's GPT APIs, allowing developers to programmatically define custom actions, memory stores, and prompt chains. The agent can click links, fill forms, extract table data, and summarize page content on demand. It supports asynchronous execution, error handling, and session persistence via browser storage. With customizable interfaces and extensible action modules, MCP Browser Agent simplifies the creation of intelligent browser assistants to boost productivity, streamline workflows, and reduce manual browsing tasks across diverse web applications.