Google Computer Use model, Gemini CLI extensions, and more! - Google Developer News October 2025

Key Concepts

• Google Computer Use Model: An AI model leveraging Gemini's visual understanding and reasoning for AI agents to perform complex tasks like form filling and navigation.
• Gemini CLI Extensions: A toolset enhancing Gemini's core functionality, allowing developers to customize and chain commands for personalized workflows.
• Jules: An asynchronous coding agent capable of understanding project context and performing tasks like writing tests, building features, and fixing bugs.
• Jules Tools: A lightweight command-line interface for interacting with Jules, enabling task creation and monitoring without leaving the workflow.
• Agent Development Kit (ADK): A framework for building AI agents.
• AGUI Open Protocol: A protocol enabling collaborative frontends for AI agents.
• ADK and AGUI Integration: Allows agents to generate and render UI components, supervise actions, and interact directly with frontends.
• AI Accelerate Hackathon: A hackathon challenging developers to create solutions combining Elastic/Fiverr with Google Cloud.
• Google Chrome Built-in AI Challenge 2025: A hackathon focused on building AI-powered web apps or Chrome extensions using Google's AI APIs.
• Google Cloud Run Hackathon: A hackathon encouraging the development and deployment of serverless applications on Cloud Run, with categories for AI Studio, AI Agents, and GPU.
• DevFest 2025: The world's largest community-led developer conference, fostering learning and connection among developers globally.

Google Computer Use Model

The Google Computer Use Model, built upon Gemini's advanced visual understanding and reasoning capabilities, empowers AI agents. This model enables agents to perform sophisticated actions such as filling out forms, manipulating dropdowns and filters, and operating behind login screens. It represents a significant advancement towards creating general-purpose agents capable of automating a wide array of complex tasks. Developers can access and experiment with this model through the Gemini API on Google AI Studio and Vert.Ex AI.

Gemini CLI Extensions

A major new tool for developers, Gemini CLI extensions, offers a substantial evolution beyond the core functionality of MCP (presumably a previous tool or framework). These extensions are designed to provide enhanced functionality and a seamless user experience. They are easily installed and come with a simple playbook that guides Gemini on how to execute customized jobs. A key feature is the control they offer developers, allowing them to combine extensions, chain commands, and construct personalized toolchains. This opens up new possibilities for streamlining personal workflows and integrating internal company tools.

Jules: Asynchronous Coding Agent

Jules is introduced as an asynchronous coding agent designed to comprehend the complete context of a project. Its capabilities include tasks such as writing tests, building new features, and fixing bugs. Jules can manage multiple tasks concurrently, completing them asynchronously. Previously accessible only through a web browser, Jules now has a new lightweight command-line interface called Jules Tools. This CLI allows users to create tasks and monitor Jules' progress without interrupting their current workflow.

Agent Development Kit (ADK) and AGUI Integration

The transcript highlights the importance of creating collaborative experiences between users and AI. To address this, the Agent Development Kit (ADK) now integrates with the AGUI open protocol. This integration simplifies the process of building sophisticated AI agents with collaborative frontends. The integration unlocks new features, transforming the user experience. Agents can now go beyond text-based interactions to generate and render UI components directly within the chat interface. For enhanced security, users have the ability to supervise, approve, or correct agent actions before execution. Furthermore, agents can be empowered to directly interact with the frontend, enabling them to fill out forms or navigate pages on behalf of the user. This integration allows developers to focus on building powerful, intelligent, and collaborative AI applications.

Hackathons

Three hackathons are highlighted for developers to showcase their skills:

• AI Accelerate, Unlocking New Frontiers: This hackathon involves developers tackling challenges posed by partners Elastic and Fiverr. Participants can create solutions demonstrating how Elastic and Google Cloud can transform data interaction, or how Google Cloud and Fiverr can improve customer experiences. Winners of each of the two challenges will share a prize pool of $50,000. More information is available at ai-acelerate.devpost.com.

• Google Chrome Built-in AI Challenge 2025: This challenge invites developers to build the best AI-powered web app or Chrome extension. A total of $70,000 in prizes is available. Developers can utilize a suite of built-in AI APIs and can extend their projects with hybrid AI solutions using Firebase or the Gemini API. To enter, visit Google Chromeai2025.devpost.com. The submission deadline is October 31st at 11:45 p.m. Pacific time.

• Google Cloud Run Hackathon: This hackathon focuses on building and deploying serverless applications on Cloud Run. Projects should showcase the power, simplicity, and scalability of serverless technology. Submissions can fall into the AI Studio, AI Agents, or GPU categories, provided they are deployed on Cloud Run. In addition to a grand prize winner, there will be winners in each of the three categories. The entry portal is run.devpost.com, with a submission deadline of November 10th at 5:00 p.m. Pacific time.

DevFest 2025

DevFest is described as the world's largest community-led developer conference. In the previous year, DevFest hosted over 560 conferences globally, reaching more than 810,000 developers across 105 countries. DevFest provides a platform for developers of all experience levels to share knowledge and learn from each other. Developers are encouraged to visit developers.google.com/community/devfest to find a local DevFest event.

Conclusion

The October updates from Google Developer News aim to inspire developers with new tools and opportunities. The introduction of the Google Computer Use Model and Gemini CLI extensions, along with the advancements in asynchronous coding with Jules and the collaborative AI agent development through ADK and AGUI integration, offer powerful new capabilities. The highlighted hackathons provide avenues for developers to apply these technologies and compete for significant prizes. Finally, DevFest 2025 continues to be a vital global platform for developer learning and community building. The overarching message is one of empowering developers to build amazing applications.