builds.danjkim
Production systems I shipped with Claude Code

Production systems.
Shipped solo.
Mostly from my phone.

I run operations at a 16-store auto group in the Southeast. Over the last year I've shipped scrapers, pipelines, dashboards, widgets, and email automation. All with Claude Code. Mostly solo. Mostly from my phone and a laptop. This is the list.

Request access →See the catalog
01What's inside

Full write-ups

Why each build exists. The stack. The gotchas I hit. The lessons I'd tell past-me.

Downloadable starter prompts

A markdown prompt you paste into a fresh Claude Code session to bootstrap your own version.

Real production

These run my company's operations every day. Scrapers at 10pm, morning emails at 7am, dashboards in front of managers.

02The catalog
11 BUILDS
  • 00live

    Environment Setup

    Everything you need installed before you build anything else: Claude Code, Node, a few MCP servers, and a sane project layout.

    Claude CodeNode 20+HomebrewMCP

    Gated · request access to read

  • 01live

    DealerTrack DMS Scraper

    A Playwright scraper that logs into a Dealer Management System every night and dumps sales + service data into Google Sheets.

    PlaywrightNodeGoogle Sheets APIlaunchd

    Gated · request access to read

  • 02live

    Snowflake → Google Sheets Pipeline

    Nightly CRM/BDC data lands in Snowflake. This pipeline reshapes it and pushes it to the Google Sheet each store's GM already opens.

    NodeSnowflake SDKGoogle Sheets API

    Gated · request access to read

  • 03live

    Daily Sales Email (Styled HTML)

    Every morning at 7am, the managers and GMs get a clean HTML email with the previous day's numbers and the weekly recap on Mondays.

    NodeNodemailerGmail SMTPlaunchd

    Gated · request access to read

  • 04live

    VinSolutions CRM Crawler

    A headless browser that logs into the CRM, impersonates the right user, and drives the app to send follow-up texts at scale.

    PlaywrightNodelaunchdNeon Postgres

    Gated · request access to read

  • 05live

    SMS Outreach Pipeline

    A dashboard for sales managers to queue follow-up texts, a Postgres queue in Neon, and a worker that picks them up and sends them.

    Next.jsNeon PostgresDrizzleVercel

    Gated · request access to read

  • 06live

    Sales Pipeline Dashboard

    An internal Next.js dashboard that ties together BDC follow-ups, back-on-site alerts, voice notes, and the SMS queue.

    Next.jsDrizzleNeon PostgresSnowflake

    Gated · request access to read

  • 07live

    Premiere: Test-Drive Booking Widget

    A self-hosted, embeddable booking widget that lives on dealer websites and turns test-drive requests into ADF XML leads in the CRM.

    Next.jsiframeADF XMLVercel

    Gated · request access to read

  • 08live

    Parts Pricer (eBay Comps)

    A batch pricer for obsolete auto parts inventory that scrapes eBay sold-listings and recommends a list price per part.

    ReactNodeeBay API/HTML scraping

    Gated · request access to read

  • 09live

    Sales Forecast Model

    A monthly and daily sales forecast that updates as the month progresses, deployed as both a standalone Node script and a Google Apps Script.

    NodeGoogle Apps ScriptGoogle Sheets

    Gated · request access to read

  • 10live

    Life OS / Daily Dispatch

    The personal agent that runs my day. Tasks, schedule, memory. Emails me a morning dispatch before 7am.

    Claude CodeMarkdownCowork schedulingApple Reminders MCP

    Gated · request access to read

03How access works
STEP 1

Submit the form

Tell me who you are, what you do, and what you want to build. One minute.

STEP 2

I review personally

I read every request. If you're building something interesting or adjacent to what I do, you're in.

STEP 3

Click the magic link

You'll get an email with a one-click unlock link. That sets a cookie and opens the full catalog.

Want the full write-ups
and the starter prompts?

Request access →