What Integrates with IntelliJ IDEA?
Find out what IntelliJ IDEA integrations exist in 2026. Learn what software and services currently integrate with IntelliJ IDEA, and sort them by reviews, cost, features, and more. Below is a list of products that IntelliJ IDEA currently integrates with:
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1
Mistral Code
Mistral AI
Mistral Code is a cutting-edge AI coding assistant tailored for enterprise software engineering teams that need frontier-grade AI capabilities combined with security, compliance, and full IT control. Building on the proven open-source Continue project, Mistral Code delivers a vertically integrated solution that includes state-of-the-art models like Codestral, Codestral Embed, Devstral, and Mistral Medium for comprehensive coding assistance—from autocomplete to agentic coding and chat support. It supports local, cloud, and serverless deployments, allowing enterprises to choose how and where to run AI-powered coding workflows while ensuring all code and data remain within corporate boundaries. Addressing key enterprise pain points, Mistral Code offers deep customization, broad task automation beyond simple suggestions, and unified SLAs across models, plugins, and infrastructure. The platform is capable of reasoning over code files, Git diffs, terminal output, and issues, enabling engineers to complete fully scoped development tasks with configurable approval workflows to keep senior engineers in control. Enterprises such as Spain’s Abanca, France’s SNCF, and global integrator Capgemini rely on Mistral Code to boost developer productivity while maintaining compliance in regulated industries. The system includes a rich admin console with granular platform controls, seat management, and detailed usage analytics for IT managers. Mistral Code is currently in private beta for JetBrains IDEs and VSCode, with general availability expected soon. -
2
Claude Opus 4.1
Anthropic
Claude Opus 4.1 represents a notable incremental enhancement over its predecessor, Claude Opus 4, designed to elevate coding, agentic reasoning, and data-analysis capabilities while maintaining the same level of deployment complexity. This version boosts coding accuracy to an impressive 74.5 percent on SWE-bench Verified and enhances the depth of research and detailed tracking for agentic search tasks. Furthermore, GitHub has reported significant advancements in multi-file code refactoring, and Rakuten Group emphasizes its ability to accurately identify precise corrections within extensive codebases without introducing any bugs. Independent benchmarks indicate that junior developer test performance has improved by approximately one standard deviation compared to Opus 4, reflecting substantial progress consistent with previous Claude releases. -
3
Auggie CLI
Augment Code
Auggie CLI seamlessly integrates Augment’s intelligent coding agent into your terminal, utilizing an advanced context engine to evaluate code, implement changes, and run tools in both interactive sessions and automated workflows. Developers can easily set it up through npm, which requires Node.js 22 or higher and a compatible shell, and they can initiate a full-screen interactive experience using the command auggie, featuring real-time updates, visual progress indicators, and conversational tools suitable for debugging, developing new features, reviewing pull requests, or managing alerts. Furthermore, Auggie provides optimized modes for automation that are perfect for continuous integration and deployment pipelines, as well as for handling background tasks. The CLI also facilitates the use of custom slash commands to streamline repeatable processes, integrates with various external tools and systems through native integrations and Model Context Protocol (MCP) servers, and can be scripted within pipelines or GitHub Actions for tasks such as automatically generating pull request descriptions. Ultimately, Auggie CLI revolutionizes the coding experience by combining intelligent assistance with robust automation capabilities. -
4
Koi
Koi Security
Koi provides enterprises with a first-of-its-kind gateway for managing and securing the software supply chain. It monitors installs across endpoints—covering everything from browser extensions and IDEs to package managers, CI/CD pipelines, and AI models. The platform’s Wings™ engine scans marketplaces hourly, evaluates publisher reputations, and inspects actual code to uncover risks like vulnerabilities, hidden secrets, or embedded malware. Each software asset receives a dynamic risk score that evolves as updates and new versions are released. Security teams gain full visibility into what’s running in their environments, including review statuses and reputation insights for every publisher. Koi also empowers organizations to enforce preventive policies that block up to 70% of marketplace risks in just a few clicks. With automated approvals and customizable guardrails, businesses can adopt new tools faster while staying secure. By unifying discovery, risk reporting, and policy enforcement, Koi delivers enterprise-grade protection without hindering developer productivity. -
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Claude Sonnet 4.5
Anthropic
Claude Sonnet 4.5 represents Anthropic's latest advancement in AI, crafted to thrive in extended coding environments, complex workflows, and heavy computational tasks while prioritizing safety and alignment. It sets new benchmarks with its top-tier performance on the SWE-bench Verified benchmark for software engineering and excels in the OSWorld benchmark for computer usage, demonstrating an impressive capacity to maintain concentration for over 30 hours on intricate, multi-step assignments. Enhancements in tool management, memory capabilities, and context interpretation empower the model to engage in more advanced reasoning, leading to a better grasp of various fields, including finance, law, and STEM, as well as a deeper understanding of coding intricacies. The system incorporates features for context editing and memory management, facilitating prolonged dialogues or multi-agent collaborations, while it also permits code execution and the generation of files within Claude applications. Deployed at AI Safety Level 3 (ASL-3), Sonnet 4.5 is equipped with classifiers that guard against inputs or outputs related to hazardous domains and includes defenses against prompt injection, ensuring a more secure interaction. This model signifies a significant leap forward in the intelligent automation of complex tasks, aiming to reshape how users engage with AI technologies. -
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Claude Opus 4.5
Anthropic
Anthropic’s release of Claude Opus 4.5 introduces a frontier AI model that excels at coding, complex reasoning, deep research, and long-context tasks. It sets new performance records on real-world engineering benchmarks, handling multi-system debugging, ambiguous instructions, and cross-domain problem solving with greater precision than earlier versions. Testers and early customers reported that Opus 4.5 “just gets it,” offering creative reasoning strategies that even benchmarks fail to anticipate. Beyond raw capability, the model brings stronger alignment and safety, with notable advances in prompt-injection resistance and behavior consistency in high-stakes scenarios. The Claude Developer Platform also gains richer controls including effort tuning, multi-agent orchestration, and context management improvements that significantly boost efficiency. Claude Code becomes more powerful with enhanced planning abilities, multi-session desktop support, and better execution of complex development workflows. In the Claude apps, extended memory and automatic context summarization enable longer, uninterrupted conversations. Together, these upgrades showcase Opus 4.5 as a highly capable, secure, and versatile model designed for both professional workloads and everyday use. -
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Koidex
Koidex
Koidex, developed by Koi Security, is an efficient security analysis tool designed to assist both developers and security teams in quickly assessing the safety of software packages, browser extensions, or AI models before installation. It features a centralized search interface that spans multiple ecosystems such as VS Code, the Chrome Web Store, JetBrains, npm, and Hugging Face, facilitating swift due diligence when adding new software to a system. By employing a behavior-based risk scoring engine, Koidex evaluates the actual behavior of code instead of depending solely on marketplace metadata or reputation indicators, generating clear summaries that outline vulnerabilities, permissions, deep dependencies, and information about publishers. Additionally, it provides a “Catch of the Day” feed that highlights newly identified suspicious items, keeping teams informed about emerging threats in developer tools. Koidex is accessible either directly through a web browser or via an IDE extension that offers continuous scanning of installed plugins, ensuring ongoing vigilance against potential security risks. This dual accessibility makes it an invaluable resource for maintaining secure development practices. -
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MicroGPT
MicroGPT
MicroGPT transforms the developer experience by delivering contextual assistance throughout the software development lifecycle. It not only offers code completions and chat capabilities within integrated development environments (IDEs) but also clarifies code and addresses documentation inquiries on platforms like GitHub, thereby improving the overall development process. With its role as an AI coding assistant, it provides instantaneous coding suggestions, identifies errors, conducts code reviews, facilitates optimization, supports debugging, and clarifies code—all integrated into the tools that developers are familiar with. Furthermore, MicroGPT seamlessly integrates with popular code editors including Visual Studio Code, Visual Studio, JetBrains IDEs, and Neovim, while also linking with GitHub, ensuring that developers receive assistance right where they need it, in relation to the code, repositories, and documentation relevant to their projects. This innovative tool ultimately allows programmers to focus more on creating value, encouraging innovation, and achieving heightened job satisfaction. -
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Laguna XS 2.1
Poolside
The Laguna XS 2.1 is an enhanced coding model that operates as an open weight agentic system, ideal for long-duration tasks on local machines. Featuring a 33-billion-parameter Mixture-of-Experts framework with 3 billion parameters activated per token, this model maintains the efficient architecture of Laguna XS.2 while significantly advancing performance in multilingual software engineering and terminal-style tasks. It is specifically engineered to assist coding agents in reviewing repositories, reasoning through intricate changes, utilizing various tools, executing commands, and maintaining continuity throughout extended projects. With a generous 256K context window, the model enables agents to effectively manage extensive codebases, lengthy histories, and complex multi-step workflows. Laguna XS 2.1 benefits from support from platforms like vLLM, SGLang, NVIDIA TensorRT-LLM, Hugging Face Transformers, and Ollama, with plans for native integration with llama.cpp in the future. The model is offered in various checkpoint formats, including BF16, FP8, INT4, and NVFP4, granting developers the flexibility to select between high fidelity and configurations optimized for limited VRAM or computational resources. This adaptability makes it an excellent choice for a wide range of development environments and requirements. -
10
GPT-6
OpenAI
GPT-6 is an upcoming OpenAI model and the expected next major step beyond the GPT-5.x generation. OpenAI has not yet announced GPT-6 as a generally available product, and public documentation does not currently include GPT-6 pricing, benchmarks, model cards, API access, context length, modality details, or release timing. The latest official OpenAI model materials instead focus on GPT-5.6 Sol, Terra, and Luna, with Sol positioned as the flagship model for complex reasoning and coding. GPT-6 should therefore be described as a forthcoming model rather than a current production option. If it follows OpenAI’s current roadmap direction, GPT-6 will likely improve performance across reasoning, software engineering, scientific work, enterprise workflows, multimodal tasks, and AI agents. It may also expand capabilities around tool use, computer use, file search, web search, long-context work, structured outputs, and high-reliability automation. For businesses, GPT-6 could eventually become a foundation for customer support agents, internal copilots, coding systems, data analysis workflows, research assistants, and complex knowledge-work automation. Developers should continue using officially documented OpenAI models until GPT-6 is formally released. By positioning GPT-6 as an upcoming model, organizations can discuss the future of OpenAI’s model family without overstating what is currently public. -
11
Mercurial
Mercurial
Mercurial is an open-source, distributed version control system that caters to projects of all sizes while providing a user-friendly interface. It adeptly manages projects regardless of their complexity, ensuring that each clone retains the entire project history, which allows most operations to be performed locally, quickly, and conveniently. With support for a diverse range of workflows, Mercurial also allows users to easily augment its capabilities through extensions. The tool is designed to fulfill its promises, as many operations tend to succeed on the first attempt without needing specialized knowledge. Users can enhance Mercurial’s features by activating the official extensions included with the tool, downloading additional ones from the wiki, or even developing their own custom extensions. These extensions, crafted in Python, can modify the fundamental commands, introduce new ones, and access all core functions of Mercurial, making it a highly adaptable tool for version control. Ultimately, Mercurial empowers users to tailor their version control experience according to their specific needs and preferences. -
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Maven
Maven
The initial groups we launched filled up in mere hours. Sign up now to be added to the waitlist and guarantee your place in the upcoming cohort. Do you possess valuable insights to offer but feel uncertain about how to begin? Many content creators find themselves daunted by the multitude of factors, unforeseen challenges, and the extensive effort required to develop a multifaceted digital product like a cohort-based course. This is precisely why Maven is now open for applications to our latest cohort-based course titled How to Build a Cohort-Based Course (it's quite the concept). Our program is designed to enable anyone to participate without having their course ready yet, ensuring you’ll have a polished course to unveil by the end of six weeks. As a fully remote company, we are in the process of gathering a remarkable team of skilled individuals to transform online education. We are currently on the lookout for our inaugural engineers as we prepare to launch courses featuring an exceptional lineup of early instructors. Explore our available job openings and consider joining us on this exciting journey. -
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HTML
HTML
HTML, which stands for HyperText Markup Language, serves as the foundational markup language utilized by all websites across the internet. This coding language is essential for constructing and organizing the various components of websites and their respective pages. The latest iteration, known as HTML5, is specifically designed for the layout and presentation of content on the World Wide Web, representing the fifth and final significant version that has been endorsed by the World Wide Web Consortium (W3C). The existing specification is referred to as the HTML Living Standard, which is actively updated by the Web Hypertext Application Technology Working Group (WHATWG), comprising leading browser developers like Apple, Google, Mozilla, and Microsoft. HTML5 features comprehensive processing models aimed at fostering greater compatibility among different implementations; it enhances and refines the markup options available for documents while also introducing new markup and application programming interfaces (APIs) that are beneficial for intricate web applications. Due to these advancements, HTML5 is also being considered as a platform for developing cross-platform mobile applications, highlighting its versatility and importance in modern web development. Ultimately, HTML5’s continual evolution reflects the growing demands of digital content creation and user experience.