{"id":233113,"date":"2026-07-23T04:13:52","date_gmt":"2026-07-23T11:13:52","guid":{"rendered":"https:\/\/devblogs.microsoft.com\/java\/?p=233113"},"modified":"2026-07-23T04:16:52","modified_gmt":"2026-07-23T11:16:52","slug":"smarter-spring-development-in-eclipse-with-github-copilot","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/java\/smarter-spring-development-in-eclipse-with-github-copilot\/","title":{"rendered":"Smarter Spring Development in Eclipse with GitHub Copilot"},"content":{"rendered":"

How the Spring Tools MCP Server and GitHub Copilot together make Spring Development more efficient.<\/p>\n

\"Screenshot<\/a>\nIntroduction<\/h2>\n

If you write Spring Boot applications in Eclipse, you already know that Spring Tools for Eclipse<\/a> brings best-in-class tooling right into your IDE, including quick navigation and visualization of core Spring elements in your projects, live information from running Spring Boot applications, Spring specific auto completion, validations and quick fixes, request mapping overviews, and much more. In addition to that, if you have the GitHub Copilot plugin for Eclipse<\/a> installed, you have a powerful AI coding assistant at your fingertips.<\/p>\n

But here is the question that most developers haven\u2019t asked yet: what does Copilot actually know about your Spring project<\/strong>, and how efficiently can it get that context? <\/strong>Copilot can search across the repository and infer a lot from source files, but that is still a general discovery process. It does not automatically have direct, structured access to things like your beans graph, the resolved classpath, the exact Spring Boot version, or the diagnostics your IDE is already computing. Spring Tools MCP Server<\/strong> helps close that gap by giving Copilot a fast, direct way to retrieve Spring-specific project information through a small number of targeted tool calls, which can improve response quality and may also reduce unnecessary exploration and token usage.<\/p>\n

This post explains why this matters and walks you through two hands-on demos so you can see it in action.<\/p>\n

Why Connect Copilot to the Spring Tools MCP Server?<\/h2>\n

Before diving into the setup, it\u2019s worth understanding the core problem this solves and what you gain.<\/p>\n

The Spring Tools MCP server exposes the Spring specific facts that it knows about your projects as callable tools. When Copilot\u2019s agent mode needs to answer a Spring question, it can call one of those tools<\/strong> to fetch the real answer from your running IDE instead of guessing or searching for the answer by reading all sources from your project, using grep in the command line, or similar techniques. This is the difference between a colleague who has never seen your project and one who has had it open for hours.<\/p>\n

Benefits at a Glance<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n
Benefit<\/strong><\/td>\nWhat it means for you<\/strong><\/td>\n<\/tr>\n
Token savings<\/strong><\/td>\nCopilot fetches only the structured facts it needs on demand, rather than reading through large amounts of source files. This means lower latency and cost per interaction.<\/td>\n<\/tr>\n
Grounded accuracy<\/strong><\/td>\nResponses are based on static analysis inside the IDE , not training-time guesses. Hallucinated bean names, missing imports, and wrong API calls drop dramatically.<\/td>\n<\/tr>\n
Version-aware suggestions<\/strong><\/td>\nThe Spring Tools MCP server reports your exact Spring Boot version, so Copilot will not suggest APIs introduced in Boot 3.x when you are on 2.7, or vice versa.<\/td>\n<\/tr>\n
Version validation<\/strong><\/td>\nThe Spring Tools MCP server compares the Spring Boot version used in the projects to those that are available to make Copilot aware of available updates and latest versions in general, so that Copilot always stays on top of the latest Spring versions available. It can even use project-defined repositories to look up available versions, so that it can make Copilot aware of the latest versions available to you specifically (e.g. via a commercial support or a company-internal repository).<\/td>\n<\/tr>\n
Correct bean wiring<\/strong><\/td>\nCopilot knows the real bean graph: which beans exist, what their types are, and how they depend on each other.<\/td>\n<\/tr>\n
Stereotype awareness<\/strong><\/td>\nThe model sees which classes carry @Service, @Repository, @Controller, and other stereotypes (incuding user-defined ones and those that you assign to a class via supertypes instead of annotations), enabling more accurate architectural suggestions.<\/td>\n<\/tr>\n
Live diagnostics<\/strong><\/td>\nCopilot can read the exact errors and warnings your IDE has already detected before generating a fix, so it addresses real problems rather than imagined ones.<\/td>\n<\/tr>\n
Feedback loops<\/strong><\/td>\nThe loop that is only possible with real IDE feedback: agents can fetch diagnostics, apply a fix, and re-fetch diagnostics to verify it worked. No need for the agent to execute long builds and evaluate the build output.<\/td>\n<\/tr>\n
No stale knowledge<\/strong><\/td>\nThe MCP always reflects the current state of your workspace. Adding a dependency or renaming a bean is immediately visible to the agent.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Getting Started<\/strong><\/h2>\n

Prerequisites<\/h3>\n