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Achievement: Pair Extraordinairex4Achievement: Pull Sharkx3Achievement: Public SponsorAchievement: YOLOAchievement: Quickdraw

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YurMil/README.md
Yurii Milienin: Engineer to Full-Stack Developer, Agentic AI
Typing intro

Website X LinkedIn Location


I turn engineering know-how into software engineers actually want to use.


✦ About me

For about a decade I worked as a mechanical design and instrumentation & control engineer: CAD models, process equipment, pressure parts, and the routine paperwork that comes with them.

I kept seeing the same thing: experienced engineers losing hours to spreadsheets, manual checks and copy-paste. So I started building the tools I wished I'd had.

Today I pair that domain expertise with AI coding agents to ship browser-based calculators, configurators and automation. Agents write a lot of the code. I own the standards, the math and the final call.

 
const yurii = {
  role:       "Engineer → Full-Stack Dev",
  basedIn:    "Tallinn, Estonia 🇪🇪",
  background: ["Mechanical design", "I&C"],
  building:   [
    "Engineering web tools",
    "Agentic AI workflows",
  ],
  values:     [
    "correct to the standard",
    "fast",
    "privacy-first",
  ],
  openTo:     "collaboration 🤝",
};
📐 Then ⚡ The shift 🚀 Now
Mechanical & I&C engineer:
CAD, process equipment,
engineering documentation		 Domain knowledge
+ AI coding agents
= software that ships		 Engineering web tools
and agentic AI workflows,
built in public

✦ Agentic AI

🔌 MCP Sandbox

Reference architecture, playground and docs hub for connecting LLMs to tools and data through the Model Context Protocol.

MCP LLM tooling docs

📦 12factor.net-skills

The twelve-factor app methodology packaged as agent skills for Claude Code, Cursor, Google Antigravity and any system-prompt assistant.

agent skills best practices

🧠 AI Skill Hub

Local-first web app to discover, create, validate and export AI agent skill packages. 🌐 askillbuilder.com

web app local-first

🚗 Automotive Channel Manager

Draft open specification for workshop capacity, booking and DMS integration.

open spec integration

✦ Engineering web tools

cadautoscript.com is a knowledge base and a set of client-side utilities for mechanical design, fabrication, QA and CAD automation. Everything runs in your browser, and no project data leaves your machine. (source)

🔩 Blind Flange Calculator
PN class per EN 1092-1, minimum thickness per EN 13445-3

⚡ Busbar Calculator
AC/DC busbars, current density, losses, short-circuit checks, PDF report

🧱 Tube Sheet Generator
Tube layout preview with DXF / STEP export

🛢️ Dished End Calculator
Dished end sizing and QC sheet

🔧 Pipe Notch Generator
3D joint preview for tube cutting

📄 PDF Master
Local-first PDF merge, reorder, rotate and form filling

✦ Tech stack

TypeScript, JavaScript, Python, C#, React, Vite, Node.js, HTML, CSS, Cloudflare, Git, GitHub



Docusaurus WebGL 2 WebAssembly Cloudflare Pages SOLIDWORKS API
Model Context Protocol Claude Code Cursor Google Antigravity

✦ How I build

🤖 Agent-first, engineer-reviewed

AI agents write a lot of the code. I own the specs, the engineering math and the final review.

📋 Specs and context before code

Agent notes, skills and clear READMEs, so both humans and agents can pick up any project.

🔒 Local-first by default

Most tools run entirely in the browser. No project data is uploaded.

🚢 Ship small, ship often

Focused, single-purpose utilities, published and improved in public.

✦ GitHub activity

Yurii's GitHub stats Top languages

💬 Let's build something useful

Open to collaboration on engineering software, CAD automation and agentic AI tooling.

X LinkedIn

Pinned Loading

  1. AI-Skill-Creator AI-Skill-Creator Public

    Stop hardcoding, start generating. Create complex AI agent skills in seconds.

    TypeScript

  2. Blind-Flange-Calculator Blind-Flange-Calculator Public

    Enter DN, operating and test pressure, temperature, material, and corrosion allowance. The calculator selects the nearest PN class from EN 1092-1, computes minimum thickness per EN 13445-3, and rec…

    TypeScript

  3. busbar-calculator busbar-calculator Public

    Configure AC or DC rectangular busbar assemblies, compare copper and aluminium candidates, review current density, losses, temperature forecast, clearance status, and short-circuit checks, then exp…

    TypeScript

  4. cadautoscript.com cadautoscript.com Public

    The idea is to create a knowledge base covering automation methods for mechanical engineers, electrical engineers, technologists, and others who work with various CAD systems or simply face routine…

    MDX 1

  5. pdfs-master pdfs-master Public

    PDF Master Workspace is a local-first PDF utility application built as a React + TypeScript + Vite project. It lets users import PDF files, inspect metadata, render thumbnails, select and reorder p…

    JavaScript 2

  6. Tube-Sheet-Generator- Tube-Sheet-Generator- Public

    Web utility - Tube layout preview with DXF/STEP export

    TypeScript