GitHub Copilot for Eclipse Now Open Source — MIT License

TL;DR

• GitHub Copilot for Eclipse is now open source under MIT license on GitHub
• Full implementation visible: code completions, chat, agent mode, MCP integration, and more
• Community contributions already flowing in — fork, explore, and submit PRs

New

• Open source repository — Full Copilot for Eclipse codebase now public at github.com/microsoft/copilot-for-eclipse under MIT license
• Complete implementation visibility — Explore code completion rendering, chat architecture, agentic workflows, system prompts, and Model Context Protocol integration
• Community-driven development — Report bugs, suggest features, and submit pull requests to shape the plugin's future

What You Can Now See

• Code completion and Next Edit Suggestions (NES) implementation
• Chat view, conversation flow, and tool call handling
• Agent mode and multistep agentic workflows
• Skills, prompt files, and Bring Your Own Key (BYOK) integration
• Custom agents, isolated subagents, and MCP support

Update: Clone the repo at git clone https://github.com/microsoft/copilot-for-eclipse.git or install the plugin from the Eclipse Marketplace.

Source: GitHub Changelog