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thexqin/README.md

Hi there 👋 I'm Xiao Qin

Director of Creative Technology at PCF Architects (formerly Pei Cobb Freed & Partners), New York

I build generative AI, real-time and data pipelines that design and production teams use every day.

What I work on

  • Private generative AI: LoRA models trained on a 70-year architecture archive; ComfyUI workflows used on 15+ projects.
  • Knowledge systems: a Slack bot that answers questions about 500+ built projects in seconds, built in 4 weeks.
  • AEC data: U.S. building codes (IBC, IEBC, IRC, ADA) as machine-readable data mapped to IFC.
  • Teaching: The 3-Minute Node, 6.4K YouTube subscribers and an 8,000-member ComfyUI Discord.

AI systems for a design firm

Repo What it is
pcf-ai-program How a 70-year-old architecture firm uses AI: style models trained on its own work, ControlNet design workflows, and archive search.
slack-archive-search Slack bot that finds any project folder in ~12 TB of office archives and summarises what’s inside. Hybrid FTS5 + local embeddings, no LLM. Built with Claude Code.

Open source for ComfyUI creators

Repo What it is
ComfyUI-Advanced-Installer One-click portable ComfyUI for Windows (Python 3.13, CUDA 13, SageAttention). 29 stars, 1,600+ downloads
Ashley-Bot Discord bot that archives a server's history, runs a fair XP and level system with an anti-spam cooldown, and manages roles
PBR-Viewer Zero-setup browser viewer (Three.js) for PBR texture maps: load albedo, normal, roughness and metallic maps, switch sphere or cube, adjust studio lighting and UV tiling

AEC data and 3D tooling

Repo What it is
us-building-codes-dataset Pipeline that scrapes, parses and AI-enriches U.S. building codes and ADA into structured data, with a "Base-to-State" strategy that cuts LLM cost
3ds-max-toolbox-new MAXScript toolbox for scene cleanup, map checking and Corona optimization (2023-2025). The original dates from 2011-2014
facade-inspection-costing Design notes for a local vision-model workflow that finds facade defects and outputs structured data for costing

Small experiments

Repo What it is
sim-world A tiny 2D world in plain Node.js where agents survive and you change the rules live. I directed it and Claude Code wrote it; the README explains how
md2pdf Privacy-first Markdown editor that exports clean PDFs from the browser

Elsewhere

LinkedIn | ArtStation | YouTube

Pinned Loading

  1. slack-archive-search slack-archive-search Public

    Slack bot that finds any project folder in ~12 TB of office archives and summarises what’s inside. Hybrid FTS5 + local embeddings, no LLM. Built with Claude Code.

    1

  2. us-building-codes-dataset us-building-codes-dataset Public

    U.S. building codes (IBC, IEBC, IRC) and ADA as structured, machine-readable data for IFC compliance checking.

    HTML 7 1

  3. pcf-ai-program pcf-ai-program Public

    How a 70-year-old architecture firm uses AI: style models trained on its own work, ControlNet design workflows, and archive search.

    1

  4. sim-world sim-world Public

    Tiny 2D world of agents who live, mate, fight and die, in plain Node.js. Change the rules live, save and rewind. Directed by Xiao Qin, written with Claude Code.

    JavaScript 1

  5. 3ds-max-toolbox-new 3ds-max-toolbox-new Public

    MAXScript toolbox for 3ds Max: scene cleanup, map browser, Corona optimization.

    MAXScript 1

  6. md2pdf md2pdf Public

    Privacy-first Markdown editor that prints clean PDFs from the browser.

    HTML 1