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SetraTheXX/README.md

Hi, I'm Tuncay Ölmez

Computer Programming Student · Developer Tools Builder · Software Developer Internship Candidate

I build web applications, developer tools, CLI packages, and Python automation projects. I focus on clear scope, testable MVPs, readable documentation, and shipping things that actually work.

Portfolio LinkedIn Email


About me

I am a first-year Computer Programming student at Ondokuz Mayıs University in Samsun, Türkiye.

My current focus is building small but working products: npm packages, developer tools, web apps, automation workflows, and research-style prototypes. I like projects that have a real workflow, clear user value, and visible validation instead of just screenshots.

  • Building: Codex Engineering Workflow Pack, next-secure-check, Nihongo Learn, BioVoid, and setrathex portfolio
  • Learning: SQL, algorithms and data structures, debugging, testing, code reading, and software architecture
  • Interested in: internships, open-source developer tools, AI-assisted engineering workflows, practical software projects, and research-style prototypes
  • Working style: scope first, build in small iterations, test what matters, document decisions, and improve through feedback

Featured projects

Codex Engineering Workflow Pack

Published npm CLI and local-first Codex skill pack for structured engineering workflows: setup, PRDs, issue slicing, TDD, debugging, handoffs, architecture review, and Coordinator Mode.

Stack: Node.js, JavaScript, npm, Markdown, Codex CLI workflows, GitHub Releases

Focus: developer tooling, npm packaging, local-first workflow design, multi-pane Codex coordination, CLI UX, documentation

Status: v0.1.0-beta.6 published on npm · 10 Codex skills · cewp CLI · Coordinator Mode v0.2 skeleton

Repository · npm

next-secure-check

Published open-source CLI for running deterministic security sanity checks on Next.js projects before production.

Stack: TypeScript, Node.js, pnpm, Vitest, GitHub Actions, SARIF, npm

Focus: CLI flow, npm packaging, context-aware scanning, AST-assisted rule checks, SARIF/GitHub reporting, tests, documentation

Status: v0.2.0 published on npm · preset-based scans · AST-assisted checks · 374 passing tests

Repository · npm · Release notes

Nihongo Learn

Japanese learning MVP for Turkish speakers with hiragana practice, SM-2 review logic, quiz flow, and local progress tracking.

Stack: Next.js, TypeScript, Tailwind CSS, Zustand, Supabase plan

Focus: frontend, learning flow, state management, user tests, language-learning UX

Repository

BioVoid

Experimental computational biology prototype for protein motion, geometry-based cavity analysis, Atlas indexing, and FastAPI/React exploration.

Stack: Python, FastAPI, React/Vite, SQLite, scientific Python stack

Focus: research prototype, NMA workflow, cavity scoring, API/frontend stabilization

Repository

setrathex portfolio

Modern dark portfolio site built to present my projects, learning path, CV, and internship availability.

Stack: Next.js, TypeScript, Tailwind CSS, Framer Motion

Focus: personal branding, project presentation, responsive UI, animation, CV alignment

Live: setrathex.com.tr

Repository

More coming soon

I keep this profile focused on public, working, and explainable projects. Private experiments are added here only after they are ready to be shared.

Focus: clean releases, practical demos, better documentation, and stronger validation.


Current focus

Right now I am improving my developer-tooling projects and building stronger engineering workflows around them.

  • Codex Engineering Workflow Pack: local-first Codex skills, npm CLI installer, cewp doctor/list, and Coordinator Mode for multi-pane Codex workflows
  • next-secure-check: deterministic Next.js security checks, SARIF output, CLI reliability, and test coverage
  • Portfolio/CV alignment: keeping my public projects, README files, portfolio site, and internship profile consistent

Tech stack

Actively using: Python · TypeScript · JavaScript · Next.js/React · Node.js · Git/GitHub · SQLite Touched in projects: npm packaging · GitHub Actions · SARIF · FastAPI · Supabase · Oracle Cloud · PM2/Nginx · Docker basics · Tailwind CSS Currently strengthening: SQL · Algorithms and data structures · Debugging · Testing · Code reading · Documentation · Software architecture


AI-assisted development

I use Claude Code, Cursor, Codex CLI, GitHub Copilot, and other AI coding tools as support for research, code generation, review, debugging, testing, and documentation.

I still manage the scope, technical decisions, validation, release process, and project direction myself.

A lot of my recent work focuses on making AI-assisted development more structured: clear PRDs, smaller issues, TDD loops, handoffs, review gates, and local-first workflow discipline.


Contact

Open to internships, open-source collaboration, and practical developer-tooling projects.

Pinned Loading

  1. next-secure-check next-secure-check Public

    Rule-based static security scanner for Next.js. Published on npm. CLI, GitHub Actions, SARIF output, preset-based scans.

    TypeScript 4

  2. nihongo-learn nihongo-learn Public

    Japanese-learning MVP for Turkish-speaking beginners, featuring kana practice, SM-2 reviews, A1 lessons, mini stories, N5 exam practice, and optional Supabase sync.

    TypeScript 3

  3. setrathex-portfolio setrathex-portfolio Public

    Modern dark portfolio source for setrathex.com.tr built with Next.js, TypeScript, Tailwind CSS, and Framer Motion.

    TypeScript 3

  4. SetraTheXX SetraTheXX Public

    3

  5. Codex-Engineering-Workflow-Pack Codex-Engineering-Workflow-Pack Public

    Local-first engineering workflow toolkit for Codex: skills, Coordinator Mode, worktree isolation, guarded dispatch, and parallel agent workflows.

    JavaScript 1