Hey there, I'm Vitalii 👋

System Design • Analytics • DevOps • AI Engineering

Building scalable systems and efficient infrastructure with a passion for clean code and developer experience.

Featured Projects

SWE Tools

• Preview Skills - Self-contained preview skills for visualizing files in the browser
• Claude Mermaid - MCP server for rendering Mermaid diagrams in Claude Code
• AWS SSO MCP - MCP server for refreshing AWS SSO authentication tokens
• Jot MCP - MCP server for managing contextual notes and reminders
• Carbon Now SH - Emacs plugin for creating beautiful code screenshots
• JSON:API Payload Explorer - Preview, search and inspect JSON:API payloads

Learning & hobbies

• Yodex - Interview quiz generator
• GCCG - GitHub Contributions Calendar Games
• Phrase Bridge - Language learning with daily AI-generated phrases
• Prompt Garmin Workout - Create Garmin workouts with generative AI
• ZWO Generator - Create Zwift workouts with generative AI
• Zwiftpower Race Replay - Replay Zwift races
• Russia Block List - Track companies' response to Russia invasion #StandWithUkraine
• Donaty.io - Fully transparent on-chain donation platform

Crystal Language Ecosystem

• Ameba - Static code analysis tool (540+ ⭐)
• Awesome Crystal - Curated list of Crystal libraries (3.5k+ ⭐)
• Crystal Patterns - GOF design patterns in Crystal (300+ ⭐)
• Crystal [ANN] - Announcement platform for Crystal community
• Lua.cr - Lua bindings for Crystal
• AASM.cr - Finite state machine library for Crystal
• Emoji.cr - Emoji library for Crystal
• Ameba.el - Emacs plugin for Ameba static code analysis
• Contributor to Crystal Language (20k+ ⭐)
• Maintainer of multiple Crystal community projects

Achievements

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