⚠️ Deprecated

This plugin is no longer maintained. The core functionality has been integrated into all IntelliJ-based IDEs since version 2025.2.

Migration: Please refer to the official documentation for details on using the built-in functionality.

Issues & Support: For bugs or feature requests related to the built-in MCP functionality, please use the JetBrains YouTrack.

JetBrains MCP Server Plugin

JetBrains MCP (Model Context Protocol) Server Plugin enables seamless integration between Large Language Models (LLMs) and JetBrains IDEs. This plugin provides the server-side implementation for handling MCP requests and exposes extension points for implementing custom tools.

Prerequisites

• Installation of JetBrains MCP Proxy
• JetBrains IDE (IntelliJ IDEA, WebStorm, etc.)

Custom Tools Implementation

The plugin provides an extension point system that allows third-party plugins to implement their own MCP tools. Here's how to implement and register your custom tools.

Refer to the demo plugin to get started.

3. Tool Implementation Guidelines

Your tool implementation should follow these guidelines:

• Tool names should be descriptive and use lowercase with optional underscores
• Create a data class for your tool's arguments that matches the expected JSON input
• Use the Response class appropriately:
  • Response(result) for successful operations
  • Response(error = message) for error cases
• Use the provided Project instance for accessing IDE services

How to Publish Update

1. Update settings.gradle.kts to provide a new version
2. Create release on Github, the publishing task will be automatically triggered

Contributing

We welcome contributions! Please feel free to submit a Pull Request.