How we Claude Code
See how Anthropic engineers actually use Claude Code day to day. You'll configure a real repo the way we do internally: project context files, custom commands, hooks, and subagents. Then run the same task stock versus tuned and see the difference for yourself.
Details
City
Tokyo, JP
Date
11 June 2026
Time
10:00 – 10:45
Speaker(s)
Jason Schwartz
Anthropic
Language
English
Agenda
Demos and office hours run all day. Drop by for a demo between sessions. Sign up in advance for office hours. All times in Japan Standard Time (JST).
A note on language. Sessions run primarily in English with some in Japanese (marked on the agenda), and live simultaneous interpretation is available in both directions throughout the event. Office hours are held in English.
08:00 – 09:00
Check-in and breakfast
09:30 – 09:45
morning sessions
10:00 – 10:30
What happens when domain experts can finally build
·
(
Builder stage
)
Builder stage
·
Jason Tangen
University of Queensland
Building AI-native across industries with NTT, Mizuho and Mercari
·
(
Founder stage
)
Founder stage
·
Carlos Donderis
Mercari
Takashi Ebihara
NTT Inc
Tatsuto Fujii
Mizuho Financial Group, Inc.
10:00 – 10:45
10:45 – 11:15
From Claude prototype to production: How Myrealtrip builds and ships AI workflows
·
(
Founder stage
)
Founder stage
·
Wonjin Hur
Myrealtrip
Code for loved ones: Building customized software to bypass language barriers with my girlfriend
·
(
Builder stage
)
Builder stage
·
Siyuan Yan (Matt)
Kyushu University
11:00 – 11:45
11:30 – 12:00
The 1% problem: How domain expertise + Claude let a 2-person team hit #1 on a global classification benchmark
·
(
Founder stage
)
Founder stage
·
Gahee Seo
Federation
How to integrate Claude into your daily life
·
(
Builder stage
// presented in Japanese
)
Builder stage
·
Yuta Hayashi
Determinant, Inc.
12:00 – 12:45
11:45 – 13:30
Lunch
afternoon sessions
13:00 – 13:45
13:15 – 13:45
The last mile is the spec
·
(
Founder stage
// presented in Japanese
)
Founder stage
·
Hitoshi Tsuyuki
Tsukumo Labs Inc.
Sumiki Hori
Tsukumo Labs Inc.
Same model, three different worlds: Japan, India, Australia
·
(
Builder stage
)
Builder stage
·
Jason Bigman
Anthropic
Rye Smith
Spruik Co.
Sumeet Doshi
HaemoLink
Yuta Hayashi
Determinant, Inc.
14:00 – 14:30
Code less, query more with sub-agents and data
·
(
Founder stage
// presented in Japanese
)
Founder stage
·
Kenta Yamamoto
primeNumber Inc.
How I built a legal platform for 280 million people at the Claude Code Hackathon
·
(
Builder stage
)
Builder stage
·
Ilham Firdausi Putra
Pasal.id
14:00 – 14:45
Tool, skill, or subagent? Decomposing an agent that outgrew its prompt
·
(
Workshop
)
Workshop
·
Karan Sampath
Anthropic
14:45 – 15:15
Manager 11: How I finally shipped my dream football management game with Claude
·
(
Founder stage
)
Founder stage
·
Rye Smith
Spruik Co.
15:00 – 15:45
15:30 – 16:00
Evening
15:45 – 18:00
Closing reception
Anthropic's developer conference
Join us for a day of hands-on workshops, live demos of new capabilities and conversations with the teams behind Claude. Watch live from anywhere.