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Whether you’re an individual developer looking to streamline your workflow or an organization aiming to integrate proprietary tools, GitHub Copilot Extensions now offers a platform to make that happen and to share your creations on the GitHub Marketplace.
The history of technology is, in many ways, a history of platforms and their ecosystems. From the early days of personal computing with Windows and macOS to the mobile and cloud revolution, the most impactful tech products have rarely stood alone. Instead, they’ve served as foundations upon which entire systems of complementary tools, applications, and services have been built. These ecosystems, more than the platforms themselves, often determine how technology impacts our everyday lives.
When we introduced GitHub Copilot Extensions in limited public beta in May, it marked our first step in evolving GitHub Copilot into a platform that could support a much larger ecosystem. Copilot Extensions allow developers to integrate their favorite development tools directly into the Copilot experience. This means that AI can now not only suggest code but also interact with external databases, testing frameworks, deployment tools, and more–all without requiring developers to leave their flow.
Today, Copilot Extensions are now available in public beta to all Copilot users and open for any developer or organization to create extensions. Alongside, we’re introducing a comprehensive Copilot Extensions Toolkit, designed to equip developers by centralizing the information they need to build quality extensions. This announcement isn’t just about wider availability; it’s about the open nature and democratization of AI-assisted development tools. Whether you’re an individual developer looking to streamline your workflow or an organization aiming to integrate proprietary tools, Copilot Extensions now offers a platform to make that happen and for you to share your creations on the GitHub Marketplace.
For organizations and individuals, Copilot Extensions offer unprecedented opportunities for customization and integration. All Copilot users can now build private Copilot Extensions that encapsulate their internal and proprietary tools, frameworks, and best practices. Imagine a world where Copilot doesn’t just know general coding patterns but understands your company’s specific workflows, coding standards, and internal APIs.
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This level of customization can lead to significant productivity gains. Developers spend less time context-switching between tools, searching for documentation, or remembering company-specific conventions. Instead, they can focus on solving core business problems, with Copilot acting as a knowledgeable guide that understands both the code and the broader organizational context.
For example, the team at Octopus developed a Copilot Extension to offer on-demand expertise on their systems and processes to their developers from within Copilot Chat.
Onboarding new members of a DevOps team becomes so much easier with our Copilot Extension. There is no abstraction between written instructions like ‘Deploy the latest release of the 'Frontend WebApp' project to the 'Production' environment’ and that execution of that instruction. People no longer need to learn a new UI or platform to execute the vast majority of their day-to-day tasks.
- Matthew Casperson, Principal Solutions Engineer // Octopus
For third-party developer tools providers, Copilot Extensions represent a massive new opportunity. With over 77,000 organizations, 1.8 million paid subscribers, and more than 500,000 students, teachers, and open source maintainers using Copilot, creating an extension is a way to get your tool directly in front of a vast, engaged audience.
This isn’t just about distribution, though. By integrating deeply with Copilot, extensions can offer a fundamentally better user experience. Instead of requiring developers to leave their coding environment to use a tool, extensions allow seamless interaction through natural language queries right in the editor.
Developers and Ops teams often have to navigate tool and knowledge silos in order to follow the real-time impact of source code on system performance, which delays remediation and slows innovation. The New Relic extension for GitHub Copilot helps teams align on observability best practices by making our 16+ years of expertise directly accessible from Copilot Chat in GitHub.com and the IDE.
- Oren Ben-Shaul, GVP of Product // New Relic
At Atlassian, we view Copilot Extensions as a major boost in reducing context switching for developers as they write code. With our new Rovo-powered Atlassian extension for GitHub Copilot, developers can look up all of their requirements, testing plans, issues, and docs from Jira or Confluence directly in Copilot Chat at GitHub.com or their IDE—saving time and frustration.
- Josh Devenny, Head of Product, Agile, and DevOps // Atlassian
We expect to see a wave of innovation as developers reimagine their tools for this new, AI-driven paradigm. From improved testing frameworks that can generate tests based on code changes to deployment tools that can explain and fix issues through a conversational interface, the possibilities are boundless.
The Copilot Extensions Toolkit equips developers and organizations with information to help them build quality extensions.
We’ve created step-by-step tutorials to guide you through the process, along with additional resources including documentation, a CLI tool, samples, and SDKs. Regarding use of these resources, we’ve developed a Copilot Extension for GitHub Models, showcasing how easy it is to bring context into and work with tools in Copilot.
We’re committed to fostering a thriving Copilot Extensions ecosystem, providing the tools and support needed for developers and organizations to create innovative, powerful extensions as well as to find integrations with Copilot for all the tools and services they rely on.
As we move forward, we’ll see how extensions are used, gather feedback, and continuously improve the platform. The future of AI-assisted development is not just about smarter suggestions—it’s about creating a flexible, extensible environment where AI can be tailored to every developer’s and organization’s unique needs.
We invite you to join us on this journey, whether by using extensions to supercharge your development workflow or by building extensions to share your innovations with the world.
The era of truly customizable, AI-assisted development starts now.
