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Achievement: Pair Extraordinairex3Achievement: YOLOAchievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

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mcknx/README.md

McKeen Asma

Full-Stack Developer — Next.js, React, TypeScript, Laravel, Supabase · AI integrations

Davao City, Philippines (UTC+8). Building web apps since 2021: React/Next.js front ends, Laravel and Supabase/PostgreSQL back ends, and AI features wired into real workflows (Claude, n8n). I test what I ship and write down why it is built that way.

Can start this week for remote contract or part-time work, 1 PM–10 PM PHT (overlaps UK/EU mornings, AU afternoons and US East early mornings).

Portfolio: mckenneth.vercel.app · Résumé: PDF, 1 page · Email: mcknasma@gmail.com

Featured work

Project What it is Stack Links
Tref2 Dashboard-style web app delivered for a private client, shipped to production on Vercel with ongoing features and fixes Next.js · Supabase (PostgreSQL) · REST Live app · code is the client's
Tasks CRUD Task tracker: Laravel JSON API + Next.js client, server-side validation shown per field, 7 API feature tests + a real-browser e2e test Laravel 13 · Next.js 16 · TypeScript · SQLite Code · Case study
Southwind approvals Multi-tenant approval workflow: access enforced in Postgres (RLS + triggers), approvals pinned to an exact version, repeatable access tests Next.js · TypeScript · Supabase Code
AI Lead Responder Website lead form → n8n → Claude drafts the reply → saved to Postgres → reply sent, with end-to-end checks n8n · Claude · PostgreSQL · Docker Code · Case study
SVG Shed Layout Interactive multi-view shed estimator (plan + four elevations, bays, openings, dimension lines) — anonymized recreation of patterns from my Steelx work React · SVG Live demo

New: SaaS billing starter (Next.js · Postgres RLS · idempotent Stripe webhooks, offline tests) · Claude agent loop guard (Anthropic TS SDK · Playwright · turn/USD budget guards) · LLM eval harness (golden dataset · LLM-as-judge · CI gate on regressions)

More: Clinic Chat Assistant · Inbox Triage · WordPress Speed Fix · Forge Desk (Nuxt 3, 138 tests) · FIFA Coin (React + GSAP)

Demo repos use fictional data and say so in their README. Client code (Tref2, employer products) is not public.

Tools I use

React · Next.js · TypeScript · JavaScript · Node.js · Express · Laravel / PHP · Supabase · PostgreSQL · MongoDB · Tailwind CSS · React Native · Vue · Python · n8n · Git

Pinned Loading

  1. ai-lead-responder ai-lead-responder Public

    Website lead form -> n8n -> Claude drafts the reply -> saved to Postgres -> reply sent. Demo case study.

    HTML

  2. caravea-tasks caravea-tasks Public

    Tasks CRUD: Laravel 13 JSON API + Next.js 16, with tests

    PHP

  3. claude-agent-loop-guard claude-agent-loop-guard Public

    Demo: Claude tool-use agent (Anthropic TS SDK + Playwright) with loop breaker, turn + USD budget guards, checkpoint/resume and a per-run cost log.

    TypeScript

  4. llm-eval-harness llm-eval-harness Public

    Demo: eval harness for a Claude feature - golden dataset, exact-match + LLM-as-judge graders, cost per run, and a GitHub Actions gate that fails PRs on regression.

    TypeScript

  5. saas-billing-starter saas-billing-starter Public

    Demo: Next.js multi-tenant SaaS starter - orgs, members and roles enforced by Postgres RLS, signed + idempotent Stripe subscription webhooks, offline tests with PGlite.

    TypeScript

  6. southwind-approvals southwind-approvals Public

    Next.js + Supabase approval workflow: RLS-enforced multi-tenant access, version-pinned approvals, repeatable access tests (fictional data).

    TypeScript