I build things end to end - and ship them.

Lead developer at HSBC shipping agentic AI. Founder of Sportscanner, now building Traceyard for agent observability.

Live · 800+ players

Sportscanner

A marketplace for sports-court bookings in London - built solo.

Visit sportscanner.co.ukView on GitHub
Tonight near you100+ venues
Canary Wharf SCBadminton
18:0019:0020:00
Islington TennisPickleball
18:3019:3020:30
Better Gym CamdenSquash
17:0018:0021:00

Building · open source

Institutional Entity Intelligence

Entity resolution for funds and managers: a messy name in, the right legal entity out.

View on GitHub
blackrock fund advsrs
BlackRock Fund Advisorsauto match 0.94
  • LEIGLEIF
  • CIKSEC 13F
  • HoldingsN-PORT
  • BlackRock, Inc.
  • └BlackRock Fund Advisors
  • └iShares Trust

Open

Simulation Lab

Interactive system design explainers - every chapter of Alex Xu's books, playable in the browser.

Open the lab
bloom filter · m=32maybe
00100100010100100001001000010010
h1(“cat”) = 9 · h2(“cat”) = 22

Building · proprietary

Traceyard

Proprietary work in progress: an evals and observability framework for multi-agent systems.

trace 7f3a4.2s
run · planner
tool · search_mcp
handoff · analyst
llm · judge
tool · write_report

Open

World Clock

A focused world clock for finding a good moment across time zones.

Open world clock
Working overlapLive
London
New York
Tokyo
Hover to align a moment

Writing

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