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IntelliJ IDEA Goes LSP: Java and Kotlin Intelligence Comes to VS Code, Cursor, and Agentic Flows

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IntelliJ LSP for VS Code/Cursor directly impacts developer experience and AI agentic flows, highly relevant.

Languages blog.jetbrains.com
IntelliJ IDEA Goes LSP: Java and Kotlin Intelligence Comes to VS Code, Cursor, and Agentic Flows
Summary

JetBrains released a preview VS Code extension that exposes IntelliJ IDEA's Java and Kotlin language intelligence via the Language Server Protocol (LSP), enabling smart completion, navigation, refactoring, and build tool support (Maven, Gradle, Bazel) in editors like VS Code and Cursor. The same LSP backend also improves terminal-based agentic workflows (e.g., Claude Code) by reducing token consumption and providing deterministic results. The extension is free during preview but will require an IntelliJ IDEA Ultimate subscription post-preview.

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