Dropbox Nova for AI Coding Agents, OpenAI's Codex Sandbox, & Puppeteer MCP Server

Dev.to / 6/6/2026

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Key Points

  • Dropbox introduced Nova, an internal platform designed to orchestrate and scale AI coding agents reliably and safely across large codebases, supporting concurrent agent work without destabilizing systems.
  • Nova serves as an execution and control layer between AI models and repositories, enabling agents to interpret dev tasks, propose code changes, and operate under managed constraints.
  • The highlights also cover how OpenAI implemented a secure Windows sandbox architecture for Codex agents, emphasizing containment and security for agent execution.
  • A practical focus is provided on safer browser automation for AI agents via a custom Puppeteer MCP server, aiming to make automated interactions more secure and manageable.
  • Overall, the article frames these efforts as production-grade patterns moving beyond experimental AI tools toward deeply integrated enterprise software development workflows.

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