Eugene Petrenko
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jonnyzzz.com
Eugene Petrenko
@jonnyzzz.com
Department lead at JetBrains. IDE Services. Kotlin. IntelliJ.
Reposted by Eugene Petrenko
🎉 Kotlin turns 15 this year! 🎉

As part of the celebration, we've brought the Kotlin Effect into real life – making everyday situations more concise, efficient, and fun.

Watch on YouTube: https://kotl.in/u6nciz
Explore the Kotlin Effect further: https://kotl.in/6xzc69
June 16, 2026 at 4:02 PM
Devrig — the new tool in the mcp-steroid.jonnyzzz.com family.

It gives your coding agents direct access and management of IntelliJ.
MCP Steroid | MCP Steroid - Reliable code changes for your AI Agent
MCP Steroid makes your AI Agent change code with fewer cleanup loops. It gives the Agent the same semantic actions a JetBrains IDE gives humans — typed refactors, inspections, debugger, test runs — so...
mcp-steroid.jonnyzzz.com
June 7, 2026 at 7:26 AM
JVM classloaders post update: added child-first classloader implementation, classpath scanning patterns, and why IntelliJ skips scanning entirely with plugin.xml.

Two rules to live by — Rule #1: no duplicate libs. Rule #2: the best scanning is no scanning.

jonnyzzz.com/blog/2026/02...
JVM ClassLoaders & IntelliJ: When it fails in production -- Eugene Petrenko
If your IntelliJ plugin works in tests but fails in production with LinkageError, ClassCastException, or plugin conflicts, you are likely hitting a classloader boundary problem. This post walks throug...
jonnyzzz.com
February 14, 2026 at 10:06 AM
A multi-agent AI orchestration framework for software development.

Run dozens of AI agents — Claude, Codex, Gemini — in parallel as a swarm with message bus

jonnyzzz.com/blog/2026/02...

#MultiAgent #AIAgents #Claude #Gemini #Codex
February 6, 2026 at 8:51 PM
MCP Steroid is a Model Context Protocol server for #JetBrains IDEs

It exposes #IntelliJ Platform APIs, visual state, and runtime environment to any MCP-compatible AI agent via Kotlin code execution and screenshot capture

mcp-steroid.jonnyzzz.com

#MCP #AIAgents #DevTools #AIcoding #Claude #Codex
MCP Steroid | MCP Steroid - Give AI the whole IDE, not just the files
MCP Steroid is a Model Context Protocol server for JetBrains IDEs. It exposes IntelliJ Platform APIs, visual state, and runtime environment to any MCP-compatible AI agent via Kotlin code execution and...
mcp-steroid.jonnyzzz.com
February 4, 2026 at 9:38 PM
4x #Nvidia DGX Spark at @jetbrains.com boot at AWS re:Invent. Visit our booth to learn more about LocalAI and see the demo in action!
December 3, 2025 at 4:58 PM
Just shipped oauth2-bro — #OAuth2 server that authenticates users based on their IP address — no client credentials needed

github.com/jonnyzzz/oauth2-bro
GitHub - jonnyzzz/oauth2-bro: OAuth2 server with implicit authentication
OAuth2 server with implicit authentication. Contribute to jonnyzzz/oauth2-bro development by creating an account on GitHub.
github.com
July 28, 2025 at 11:19 PM
Got nice new handle, connected to my domain @jonnyzzz.com
June 11, 2025 at 10:04 AM
Are you using #JVM?
May 10, 2024 at 11:29 PM
@bsky.app is that possible to change my account name to use my domain name it it? Unfortunately, I do not see that action in the UI on iOS
December 27, 2023 at 3:09 PM
Reposted by Eugene Petrenko
This year we started Toolbox Enterprise which helps to manage IntelliJ based IDEs at company scale. It helps to deliver plugins to everyone in your company.

plugins.jetbrains.com/docs/intelli...
December 27, 2023 at 3:05 PM
Holiday season could be a great time to start something new, like writing an #intellij plugin. The IntelliJ Plugin SDK is easy to start and you can make life easier for community or for your team.

www.jetbrains.com/toolbox-ente...
IntelliJ Platform SDK | IntelliJ Platform Plugin SDK
plugins.jetbrains.com
December 27, 2023 at 3:05 PM
Manage #IntelliJ-based IDE at scale!

Finally, our product goes public beta, try it!

www.jetbrains.com/toolbox-ente...
Toolbox Enterprise by JetBrains
A centralized way to provision IntelliJ-based IDEs to your developers' machines, securely and consistently. Sign up for early access.
www.jetbrains.com
November 15, 2023 at 1:48 PM
Half Marathon was great today
September 17, 2023 at 9:07 PM
Half Marathon running
September 10, 2023 at 12:57 PM
Coming to DPESummit this year. Is someone coming too?
September 1, 2023 at 8:20 AM
In the go to Italy
August 26, 2023 at 11:43 AM
Hello world
August 25, 2023 at 5:54 AM