Selected AI work, 2023–2026, by Colin Gillingham

Selected AI work · 2023–2026

Colin
Gillingham

Reverse engineer.

SalesGTM OpsGrowth & MarketingProductEngineeringAI
01 / 09CoverBack to the site

← Colin GillinghamSelected AI work · 2023–2026

AISalesEngineering

PhoneScreen

2024–now · My company · Live

Voice agents that run the first phone interview for hourly jobs, at any hour. I built the whole pipeline from scratch on OpenAI and Twilio.

2,500+
interviews completed
80+
hiring teams
  1. Candidate applies From Indeed, CareerPlug and other job boards
  2. Agent calls A voice agent on OpenAI realtime and Twilio
  3. Interview runs Day or night. 58% happen outside 9 to 5
  4. Results reach the team In the hiring tools they already use

ProductAIEngineering

Glottie

2026 · App Store

An iPhone language tutor you learn from by talking. Underneath, it’s a language-learning harness I built around OpenAI’s realtime voice model.

1,000+
language combinations
63 days
first commit to the App Store
  1. Pick any pair 41 languages, 1,000+ combinations
  2. Talk Out loud, no typing
  3. The harness steers It keeps the realtime model on lesson
  4. The tutor answers Live, in the language you’re learning

AIEngineering

Agent Wonderland

2026 · Live

A marketplace where AI agents find, pay for and run other agents. I built the MCP discovery layer and the marketplace, with payments on x402 rails.

9,600+
npm downloads
x402
payment rails
  1. An agent needs help Say, a filings analysis in Claude Code
  2. It finds a specialist Through my MCP discovery layer
  3. It pays per request Over x402
  4. It runs the job Results come straight back

AIEngineering

TinyNews

2023, 2026 · Live

A news aggregator that reads thousands of articles a day and gives every reader a feed of their own.

1,000s
articles indexed a day
4 days
first commit to launch
  1. Index Thousands of articles, every day
  2. Classify A lightweight classifier keeps it fast and cheap
  3. Tailor A bespoke feed for each reader
  4. Next Your newsletters, pulled in by email
UXLoops: a clickable prototype with the research agent beside it.

ProductAI

UXLoops

2026 · Live

Customer research without the calendar. Send a customer a prototype, and an agent runs the research while they explore it.

Async
no sessions to schedule
  1. Prototype Describe a product, get a clickable prototype
  2. Customer explores On their own time
  3. Agent interviews The questions a researcher would ask
  4. Their version Feedback becomes the customer’s view of the prototype

SalesAIGrowth & Marketing

Peregrine

2026 · Launching now

Speed to lead for B2B teams. A voice AI that calls every new lead seconds after the form and live-transfers the good ones to a free rep.

4 sec
form to first call
29 hrs
B2B average (RevenueHero, 2024)
  1. Describe a good lead Peregrine drafts the questions; you approve them
  2. Called in seconds It looks up the company before it dials
  3. Qualified on the call It asks only what it can’t look up
  4. Live transfer To the next free rep, while the lead is on the line
01 / 06PhoneScreen