Townie has returned in its fifth version, integrating seamlessly with code editors and powered by the Claude 4.5 family. This AI agent is designed for Val Town’s runtime, allowing users to scaffold content like blog posts quickly. Any changes made with Townie are deployed live within 100 milliseconds, making it a fast tool for developers. Townie performs a variety of actions. Users can create, list, and search vals, manage files, and query databases. It can also handle environment variables and logs. The AI's context-awareness allows it to generate features or full-stack applications in one go. With version history and branching support, users can iterate quickly while minimizing errors. The interaction model offers three modes: Normal, where Townie requires approval for changes; Plan, which serves as a read-only assistant; and Allow all edits, where the AI executes changes without user input. For power users, Townie introduces keyboard shortcuts and slash commands for quick access to features like cost estimates and chat history summarization. The author, reflecting on their experience, mentions that Townie now accounts for about half of their coding work. Despite initial skepticism about needing an in-browser AI, the demand from users led to its development, and the author has found it useful for both rapid prototyping and more serious projects. Townie is currently in public beta for Pro and Teams customers, available at $10 per month.