MCP Steroid

MCP Steroid brings the full power of the IntelliJ Platform to AI agents through the Model Context Protocol (MCP).

IntelliJ platform works for AI agents as great as for human developers.

MCP Steroid is an independent research project by Eugene Petrenko (@jonnyzzz). Not affiliated with, endorsed by, or supported by JetBrains s.r.o.

What You Get

• 9 MCP Tools: Control IntelliJ IDEA programmatically - execute code, take screenshots, discover actions, debug, and more
• 80+ MCP Resources: Comprehensive guides covering LSP, IDE operations, debugger, tests, VCS, and more
• Vision Capabilities: AI agents can see your IDE with screenshots and OCR (unique to MCP Steroid)
• Deep Integration: Access PSI, inspections, refactorings, and full IntelliJ Platform API
• Human Oversight: Review and approve code execution with configurable safety controls

Why MCP Steroid?

Unlike LSP-only solutions, MCP Steroid gives AI agents the same powerful IDE capabilities that developers use - semantic understanding, advanced refactorings, debugging, test running, and visual awareness.

Compatible with all IntelliJ Platform-based IDEs: IntelliJ IDEA, PyCharm, WebStorm, GoLand, CLion, Rider, and more.

Requirements: IntelliJ IDEA 2025.3 or newer (build 253 or later)

Demo: CodeDozer & IntelliJ Debugger

Visit https://mcp-steroid.jonnyzzz.com for documentation and examples.

IntelliJ IDEA, IntelliJ Platform, PyCharm, WebStorm, and JetBrains are trademarks of JetBrains s.r.o.