Haskell-jp Mokumoku Session #363 @ Online
Online Haskell co-working session on the Haskell-jp Slack: work or study at your own pace, share results at the end. Free, drop in anytime.
Online · JA
All upcoming
Every event on the register
237 upcoming · JST
Sun, October 4, 2026 Today
1event
Mon, October 5, 2026
7eventsTech Brunch Event
Small early-morning brunch in Iidabashi on NLP: math foundations, prompt engineering, libraries and lessons from real projects.
In person · Kanto (Tokyo) · EN
Japanese-Hungarian Biotech Business Seminar
Hungarian biotech firms pitch to Japanese investors and corporates at TIB, with B2B matchmaking and a networking reception.
In person · Kanto (Tokyo) · EN
"If We Were Starting a Business from Zero Today" [DeNA FOUNDERS LOUNGE vol.1] [by DeNA]
Two DeNA division heads discuss how they would build a business from zero today, followed by networking (Shibuya, free, approval required).
In person · Kanto (Tokyo) · JA
🏐🍻 Fun Dodgeball in Shinjuku! :: 新宿ドッジボール! Out of scope: non-tech sports event
In person · Kanto (Tokyo)
Nuremberg | Claude Code Impact Lab Out of scope: outside Japan: in-person event at Nürnberg, Germany on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other · Oct 5 – Oct 6
VS Code Monthly Update September 2026
VS Code Meetup members demo the September 2026 VS Code release notes hands-on in a YouTube Live stream.
Online · JA
Sendagaya.rb #541
Online session of a west-Tokyo Rubyist community: Ruby and Rails topics and dev questions, chosen on the spot by attendees.
Online · JA
Tue, October 6, 2026
10eventsStockholm | Claude for Freelancers & Self-Employed Out of scope: outside Japan: in-person event at Stockholm, Sweden on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Tech Brunch Event
Small early-morning brunch meetup in Iidabashi for engineers and tech people to network and talk about current tech trends.
In person · Kanto (Tokyo) · EN
Bogota | Build Day Opus 5.5 - Sonnet 5.5 Out of scope: outside Japan: in-person event at Bogotá, Colombia on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Orange County | Claude Conversation for Marketers Out of scope: outside Japan: in-person event at Irvine, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Shift-Left Development Approaches in the AI Era
Online CircleCI session on shift-left development approaches in the AI era.
Online · JA
TU Darmstadt & RIKEN-AIP Joint Workshop
Online joint workshop of RIKEN-AIP and TU Darmstadt's UKP Lab with research talks on LLM interpretability, AI oversight, agents and ML.
Online · EN
The Human Signal: Founder-Led Cross-Border Sales
Workshop and panel at TIB on founder-led cross-border sales, trust and communication across Japan, the UK and global markets.
In person · Kanto (Tokyo) · EN
What civic techies from Japan, Taiwan and Korea discussed at a hackathon | FtO 2026 Seoul report session
Online report session from attendees of Facing the Ocean 2026 in Seoul, the Japan-Taiwan-Korea civic-tech hackathon.
Online · JA
Weekly Tuesday Meetup
Weekly Tuesday open house at Tokyo HackerSpace's new Akasaka space: drop in, meet the makers, and see the tools.
In person · Kanto (Tokyo) · EN
Bhopal | Claude For Everyone Bhopal Out of scope: Outside Japan: an in-person meetup held in Bhopal, India.
Open, beginner-friendly Claude and AI community meetup in Bhopal, India, focused on conversation and networking.
In person · EN
Wed, October 7, 2026
13eventsZurich | Claude Opus 5.5 Build Day Workshop Out of scope: outside Japan: in-person event at Zürich, Switzerland on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
AI Salon Bologna Out of scope: outside Japan: in-person event at Bologna, Italy on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Detroit | Claude Build Day Out of scope: outside Japan: in-person event at Detroit, MI on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Quito | Claude Meetup Out of scope: outside Japan: in-person event at Quito, Ecuador on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Tech Brunch Event
Small early-morning brunch in Iidabashi for founders and makers to swap strategies and stories on winning their first users.
In person · Kanto (Tokyo) · EN
San Francisco | Claude for …. Out of scope: outside Japan: in-person event at San Francisco, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Digital Nomads Morning Coworking at Ikejiri Out of scope: Non-tech community social: a coworking morning for digital nomads and expats with no engineering, startup, or technical programming.
Morning coworking for digital nomads and expats at MIDORIso Ikejiri in HOME/WORK VILLAGE, followed by lunch together.
In person · Kanto (Tokyo) · EN
Women Leaders TIB Lounge
Women-only roundtable with vet-turned-founder Mai Shono of Nekohana on turning expertise and passion into a business.
In person · Kanto (Tokyo) · JA
Snack and Connect
Weekly open-door networking at Shibuya Startup Support's members-only Bridge office, with snacks and no registration.
In person · Kanto (Tokyo) · JA/EN
TokyoDev Talks Vol. 14: Open Source Resilience / Zero Trust Network Access
Talks on treating open source as business infrastructure and on Zero Trust Network Access, plus networking at TiB.
In person · Kanto (Tokyo) · EN
Tokyo | Claude Code Meetup
First meetup of a new Tokyo community sharing practical lessons on teams of people and AI shipping products with Claude Code.
In person · Kanto (Tokyo) · JA
Spectrum Tokyo Meetup #26
Spectrum Tokyo's 26th meetup: bilingual Japanese/English lightning talks on the design work people are doing now, plus mingling in Akasaka.
In person · Kanto (Tokyo) · JA/EN
THS "Nihongo Night" Open House
Tokyo HackerSpace's Japanese-language open house: drop by the Akasaka space to meet members and see the tools and projects.
In person · Kanto (Tokyo) · JA
Thu, October 8, 2026
16eventsZurich | Claude Cyber Meetup Out of scope: outside Japan: in-person event at Zürich, Switzerland on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Istanbul | UI Design with Claude Workshop Out of scope: outside Japan: in-person event at Sarıyer, Türkiye on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
San Francisco | Claude for Connected Agents Out of scope: outside Japan: in-person event at San Francisco, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
AI Salon Amsterdam - World Summit AI Special Out of scope: outside Japan: in-person event at Zaandam, Netherlands on a global multi-city calendar, with no Japan venue or Japan tie-in
A festive after-hours mixer for AI Salon Amsterdam following the first day of World Summit AI 2026.
In person · Other · EN
Madrid | Opus 5.5 Build Day Out of scope: outside Japan: in-person event at Madrid, Spain on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Torino | Claude Meetup Out of scope: outside Japan: in-person event at Torino, Italy on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Tech Brunch Event
Small early-morning brunch in Iidabashi where functional programmers share projects through lightning talks and live demos.
In person · Kanto (Tokyo) · EN
[106th TrustML Young Scientist Seminar] Talk by Wen-Bo Du (Nanjing University) "Non-Parametric Rehearsal Learning via Conditional Mean Embeddings"
Online RIKEN AIP seminar: Wen-Bo Du (Nanjing University) on non-parametric rehearsal learning with conditional mean embeddings.
Online · EN
🇯🇵🇺🇸Antler Japan - JPN7 Residency Program | Ask-Me-Anything WEBINAR Info Session (JP/EN Simultaneous)
A lunchtime online AMA on Antler Japan's JPN7 Residency: program overview, who joins, and live Q&A in Japanese and English.
Online · JA/EN
Black Belt Global Venture Studio Demo Day 2026: How to Assess the Potential of Early-Stage Startups
BBV demo day: a panel on founding teams and early-stage success, then 12 startups pitch to investors. English/Japanese mix.
In person · Kanto (Tokyo) · JA/EN
No Gathering This Week Out of scope: Holiday placeholder: a notice that the weekly Thursday Gathering is not held this week, not an event.
No Thursday Gathering on October 8. The next one is Thursday, October 15.
In person · JA/EN
[Pitch & Business Matching] Fukushima Innovation Coast – Deep Tech Challenge – Vol.1: The Frontline of Innovation, from Fukushima
Six deep tech startups developing products in Fukushima pitch, followed by business matching with corporates, VCs and CVCs.
In person · Kanto (Tokyo) · JA
Entrepreneurs Roundtable Tokyo 9 at Sakura Deeptech Shibuya
Up to five startups pitch for VC feedback at the ninth Tokyo Entrepreneurs Roundtable, with Remarkable Ventures and SMBC at Sakura Deeptech Shibuya.
In person · Kanto (Tokyo) · EN
🏐🍻 Beginners Welcome! - Fun Dodgeball in Shimokitazawa! :: 下北沢ドッジボール! Out of scope: non-tech sports event
In person · Kanto (Tokyo)
Japanese Coffee Chat for Engineers ☕
A small-group Japanese-language coffee chat for software engineers only, 4 to 6 people, near Shibuya Station.
In person · Kanto (Tokyo) · JA
Workshop: Building an AI Personal Assistant for Everyday Work
Free online workshop on briefing an AI assistant and using it for meeting follow-ups, weekly planning and other routine work.
Online · JA
Fri, October 9, 2026
11eventsWarsaw | Claude Meetup Out of scope: Outside Japan: an in-person meetup held in Warsaw, Poland.
Community meetup in Warsaw, Poland, for people who build with Claude.
In person · EN
19° AI Salon Turin - Tech Villa Out of scope: outside Japan: in-person event at Torino, Italy on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Claude Impact Lab | Mental Health & Wellness Out of scope: outside Japan: in-person event at New York, NY on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Build Your Full Stack AI Content System with Claude and Connectors at #sf-Tech-week Out of scope: outside Japan: in-person event at San Francisco, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
San Francisco | Claude Picnic For Latinos Out of scope: outside Japan: in-person event at San Francisco, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
The Power of No: Building Agents That Refuse, Pause, and Prove+Polite Voice Agent Out of scope: outside Japan: in-person event at Miami, FL on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Bogota | Claude Meetup for Legal Tech Out of scope: outside Japan: in-person event at Bogotá, Colombia on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Johannesburg | Claude build Day Out of scope: outside Japan: in-person event at Sandton, South Africa on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
NAGOYA CONNÉCT #129
Venture Café's monthly Nagoya evening at Nagono Campus, with sessions and networking for founders, researchers, and ecosystem supporters.
Hybrid · Chubu · JA/EN
TIB CATAPULT Cross-Cluster Pitch: Clusters from Different Fields Team Up to Create New Businesses
Robotics, manufacturing and logistics startups pitch to corporates at a joint event of three TIB CATAPULT clusters.
In person · Kanto (Tokyo) · JA
Digital Nomads Lounge Night in Shinjuku
An evening social for digital nomads, expats and internationally minded locals at Hmlet's Shinjuku lounge and garden.
In person · Kanto (Tokyo) · EN
Sat, October 10, 2026
7eventsAmsterdam | Introduction to Claude for Business | Claude Community Meetup Out of scope: Outside Japan: an in-person meetup held in Amsterdam, Netherlands.
Introductory evening in Amsterdam on rolling Claude and Claude Code out inside real organisations, for founders and operators.
In person · EN
Melbourne | Claude Impact Lab Out of scope: outside Japan: in-person event at Richmond, VIC on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
[97th] Let's Translate MDN Together! Monthly Translation Community Meetup
Monthly online meetup to translate MDN Web Docs into Japanese over Slack. Beginners welcome; experienced members help with the GitHub workflow.
Online · JA
Okutama Craft Beer Day Trip | Sign-up via Google Form Out of scope: Non-tech event: a craft brewery day trip with no tech content.
A day trip to Okutama for a brewery tour and five-beer tasting at VERTERE, organized by DN Tokyo. Sign-up via Google Form.
In person · Kanto (Tokyo) · EN
"Look What AI Can Do!" Turning Ideas into Products with Yuki-sensei Workshop | OrbsCafe #25
Hands-on workshop with Yuki-sensei: build a product from your idea with ChatGPT, publish it, and optionally submit it to a hackathon.
In person · Kanto (Tokyo) · JA
Barcelona | Claude & Coffee (Women in Tech) Out of scope: outside Japan: in-person event at Barcelona, Spain on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Mumbai | Claude Opus 5.5 x Sonnet 5.5 Build Day Out of scope: outside Japan: in-person event at Mumbai, India on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Sun, October 11, 2026
4eventsBuild Your AI Chief of Staff with Claude at #sf-tech-week Out of scope: outside Japan: in-person event at San Francisco, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Claude Community Impact Lab at Sf Tech Week! Out of scope: outside Japan: in-person event at San Francisco, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Bhopal | Claude Code Impact Lab Out of scope: outside Japan: in-person event at Bhopal, India on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Small Group Cafe Chat for Engineers ☕
Small-group (4-6) English cafe chat for software engineers near Shibuya Station, with LinkedIn-reviewed signup.
In person · Kanto (Tokyo) · EN
Mon, October 12, 2026
1event
Tue, October 13, 2026
10eventsAI Salon Cali Out of scope: outside Japan: in-person event at Cali, Colombia on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
[AIP Distinguished Lecture] Prof. Hsuan-Tien Lin (National Taiwan University) "Connecting Domain Adaptation to Other Learning Problems"
RIKEN AIP lecture by Prof. Hsuan-Tien Lin (NTU) on linking domain adaptation to noisy labels and representation learning. Hybrid.
Hybrid · Kanto (Tokyo) · EN
Opus 5.5 Build Day - Brisbane Out of scope: outside Japan: in-person event at Brisbane City, QLD on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
TIB PITCH #29 (Trial Introduction Course)
Seven startups in circular economy, AI and disaster-prep tech pitch for a proof-of-concept deployment inside Tokyo Innovation Base.
In person · Kanto (Tokyo) · JA
AI SALON X Dev Korea Out of scope: outside Japan: in-person event at Seoul, South Korea on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
🏐🍻 Fun Dodgeball in Jiyugaoka! :: 自由が丘ドッジボール! Out of scope: non-tech sports event
In person · Kanto (Tokyo)
Singapore | Claude Meetup #11 - Special Edition Out of scope: outside Japan: in-person event at Singapore on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Pune | Claude For College Builders Meetup Out of scope: Outside Japan: an in-person student meetup held in Pune, India.
Evening meetup in Pune, India, for college students building with Claude and Claude Code, with demos and prototyping tips.
In person · EN
Mis/Disinformation Study Group "Narrative Observatory": Okinawa Gubernatorial Election and Kumamoto Earthquake Edition
Code for Japan and SEARCHLIGHT's online misinformation study group, with Prof. Fujishiro on the Kumamoto quake and Okinawa election.
Online · JA
Weekly Tuesday Meetup
Weekly Tuesday-night open house at Tokyo Hackerspace in Akasaka: meet the makers and see the tools.
In person · Kanto (Tokyo) · EN
Wed, October 14, 2026
10eventsTel Aviv | Claude for Indie Game Developers 🎮 Out of scope: outside Japan: in-person event at Tel Aviv-Yafo, Israel on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Claude Code Curious: Milton Keynes Out of scope: outside Japan: in-person event at Milton Keynes, United Kingdom on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Claude Community x Shakers | HR Tech · Madrid. Out of scope: outside Japan: in-person event at Madrid, Spain on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Austin | Claude for Revenue & GTM | October 13 Out of scope: outside Japan: in-person event at Austin, TX on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
[Helsinki Night] Well-being, by design: From Startups to Education and Urban Development (YC #47)
Helsinki Night at TECH HUB YOKOHAMA: talks on Helsinki's startups, education and urban design, with Finnish food, networking and Mölkky.
Hybrid · Kanto (Tokyo) · JA/EN
Snack and Connect
Weekly drop-in startup networking at Shibuya Startup Support's Bridge office, with snacks and no registration needed.
In person · Kanto (Tokyo) · EN
Reliable agents: memory, execution state and recovery
Tokyo AI evening on agent memory, execution state and recovery, with talks from Temporal, Zilliz and a Neo4j/MCP shared-memory demo.
In person · Kanto (Tokyo) · EN
JichiTIME Meetup with Kawasaki City × Sakai City
Kawasaki and Sakai city officials present startup co-creation and pilot programs, followed by networking with founders.
In person · Kanto (Tokyo) · JA
Moving Society Through Sports: How Founders Really Build Their Businesses (JAM MEETUP #7) Out of scope: Students programming: the meetup is explicitly aimed at students (参加対象：学生等).
Student-focused TIB JAM meetup where four sports-business founders share how they built their companies.
In person · Kanto (Tokyo) · JA
THS "Nihongo Night" open house
Japanese-language open house night at Tokyo Hackerspace in Akasaka: meet members and see the maker tools.
In person · Kanto (Tokyo) · JA
Thu, October 15, 2026
9eventsAI Salon Lima PeruTechWeek - Open Banking y Tecnologías del Futuro: AI, Digital Assets & Quantum Computing Out of scope: outside Japan: in-person event at San Isidro, Peru on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
San Francisco | Claude Code for Real Estate Workshop Out of scope: outside Japan: in-person event at San Francisco, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
AI Salon Kuala Lumpur at AiSEM@Selangor Out of scope: outside Japan: in-person event at Kuala Lumpur, Malaysia on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
🇯🇵🇺🇸Antler Japan - JPN7 Residency Program | Ask-Me-Anything WEBINAR (Japanese/English simultaneous)
A lunchtime online AMA where Antler Japan answers questions about its JPN7 Residency program for aspiring founders.
Online · JA/EN
Homecoming Thursday Gathering #400: One Community, More to come!
Thursday Gathering's 400th edition returns to Toranomon Hills Mori Tower, with sessions, Open Mic, Demo Tables, and networking.
In person · Kanto (Tokyo) · JA/EN
TIB Growth Coffee Meetup
TIB coffee meetup for founders with Startup Class CEO Kiyotaka Fujioka on startup hiring and building teams.
In person · Kanto (Tokyo) · JA
RxT HirePlanner Tokyo Tech Meetup!
Robotics x Tokyo hosts a panel on Japan's readiness for a robotic future at a Minato City and HirePlanner tech career event.
In person · Kanto (Tokyo) · JA
Monthly Social: 2026 Oct
Tokyo Rust's first monthly social at a Tokyo bar, with a lightning talk on Omarchy and whether coding is over, then open socializing.
In person · Kanto (Tokyo) · EN
🏐🍻 Beginners Welcome! - Fun Dodgeball in Shimokitazawa! :: 下北沢ドッジボール! Out of scope: non-tech sports event
In person · Kanto (Tokyo)
Fri, October 16, 2026
8eventsNuremberg | Claude Teachers Workshop Out of scope: outside Japan: in-person event at Nürnberg, Germany on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Hamburg | Claude Code Meetup Out of scope: outside Japan: in-person event at Hamburg, Germany on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
London | Claude Meetup for non coder SMEs Out of scope: Outside Japan: an in-person meetup held in London, United Kingdom.
London meetup for non-coding small business owners using Claude in daily operations.
In person · EN
Cutting CI Waste with Smarter Testing: How to Run Only the Tests You Need
30-minute CircleCI webinar on Smarter Testing: run only the tests a change affects to cut CI time and cost.
Online · JA
Why Multidisciplinary Collaboration Matters for Innovation: Deep Tech Innovation Born from Cross-Disciplinary Encounters
A talk and networking session on why deep tech innovation needs people from different fields, held in English at Tokyo Innovation Base.
In person · Kanto (Tokyo) · EN
Global Innovators Mixer
A Tokyo mixer for startup, VC, and corporate people aiming to work globally, with two speaker sessions and networking near Tokyo Station.
In person · Kanto (Tokyo) · JA
RubyMusicMixin on Rails 2026 Hosted by pixiv × IVRy
A DJ-backed networking party in Shibuya for Kaigi on Rails 2026 attendees, co-hosted by pixiv and IVRy.
In person · Kanto (Tokyo) · JA
Nerd Nite Tokyo #82: Making Glass and Climate Class
Two English pub talks in Shin-Okubo: running 800 Climate Fresk workshops, and the chemistry and craft of everyday glass.
In person · Kanto (Tokyo) · EN
Sat, October 17, 2026
9eventsTokyo Agent Hackathon
One-day AI agent hackathon in Tokyo: build by day, demo by evening. Teams of 1-6, Neo4j and ai& credits, 70 spots, English or Japanese.
In person · Kanto (Tokyo) · JA/EN
A New Digital Finance Experience, Starting with Stablecoins | OrbsCafe#26
Talks and hands-on demos on stablecoins and on-chain finance from JPYC, Asteria, Bitget Wallet and XWIN, held in Ebisu.
In person · Kanto (Tokyo) · JA
Tokyo Governor's Cup Open Data Hackathon 2026 Final Stage
Online stream of the final round: 24 teams, chosen from 486 entries, pitch open-data projects for the Governor's Cup and 7 other awards.
Online · JA
Taipei | Claude Meetup x Gaming Out of scope: outside Japan: in-person event at Da’an District, Taiwan on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Shibuya | Claude Meetup
A Shibuya meetup sharing how people use Claude at work through lightning talks and roundtables. Any role welcome.
In person · Kanto (Tokyo) · JA
Wrocław | Claude Code Workshop Out of scope: Outside Japan: an in-person workshop held in Wrocław, Poland.
Free advanced hands-on workshop in Wrocław on rolling out Claude Code on Amazon Bedrock to engineering teams with cost and audit control.
In person · Other · EN
Sendai | Claude Workshop
Monthly Claude workshop in Sendai, session 3: non-engineers build a dashboard that shows team status from meeting minutes.
In person · Tohoku · JA
Berlin | Claude Code Impact Lab Out of scope: outside Japan: in-person event at Berlin, Germany on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other · Oct 17 – Oct 18
Designers Meetup 🎨 #2
Casual Shibuya bar meetup for UI/UX, product, web and graphic designers, with rotating small groups and Japanese-speaker tables.
In person · Kanto (Tokyo) · JA/EN
Sun, October 18, 2026
2eventsOrange County | Claude Impact Lab Out of scope: outside Japan: in-person event at Irvine, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
[Beginner] AI Course: Learn Artificial Intelligence by Building with Google Colab, Part 1: Thinking Machines
Free beginner workshop at TIB: learn how AI works by coding perceptrons and backpropagation in Google Colab (5 seats).
In person · Kanto (Tokyo) · JA
Mon, October 19, 2026
5eventsClaude & Longevity Health Out of scope: outside Japan: in-person event at New York, NY on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Living City Keihanna | Implementing Longevity Innovation from Keihanna to Japan
Forum on bringing global longevity innovation to Japan through the Living Best x ATR Keihanna pathway: validation, investment, implementation.
In person · Kanto (Tokyo) · JA/EN
HN Tokyo Meetup #128
Hacker News Tokyo social #128 in Shibuya: no formal talks, open time to share or pitch a startup idea. Small entry fee.
In person · Kanto (Tokyo) · EN
Osaka | Claude Meetup
Osaka meetup for teams whose Claude rollout fell short of expectations: real-world talks on wins and failures, plus open discussion.
In person · Kansai · JA
Kaigi on Rails 2026 After Event from pixiv
Kaigi on Rails 2026 after-party at pixiv: 5-minute talks from pixiv engineers, a guest session by Unasuke, and a DJ networking night.
In person · Kanto (Tokyo) · JA
Tue, October 20, 2026
5eventsMadrid | Claude Meetup - 4x10 format (Spanish) Out of scope: Outside Japan: an in-person meetup held in Madrid, Spain.
Madrid Claude meetup in Spanish: four 10-minute talks on Claude use cases in health sciences, followed by networking.
In person · Other
Prompt to Product: A Claude Meetup for PMs (Detroit) Out of scope: outside Japan: in-person event at Detroit, MI on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Mexico City | Claude for AI Engineering Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
[METI] Japan Innovation Campus Showcase in Tokyo: Japanese Startups Evolving in Silicon Valley
METI's Japan Innovation Campus reviews three years in Silicon Valley with medtech, robotics and biotech startups expanding into the US.
In person · Kanto (Tokyo) · JA
Global Women Leaders: TIB Lounge
Roundtable for women leaders on using community relationships as a business strategy without burning out.
In person · Kanto (Tokyo) · EN
Wed, October 21, 2026
8eventsMexico City | Claude en el Senado de la República 🏛️ Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Miami | Claude for Students (University of Miami) Out of scope: outside Japan: in-person event at Coral Gables, FL on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Sydney | Claude Meetup Out of scope: Outside Japan: an in-person meetup held in Sydney, Australia.
Claude For Everyone meetup in Sydney with networking, pizza, community talks (TBA) and an open Q&A.
In person · Other · EN
Snack and Connect
Weekly drop-in networking at Shibuya Startup Support's Bridge office: meet founders, investors, and the startup-curious over snacks.
In person · Kanto (Tokyo) · JA/EN
Green Drinks Kansai - Osaka
Casual Osaka networking evening for people working on or interested in climate and sustainability in Kansai.
In person · Kansai · EN
AI Salon Singapore (21 October 2026) Out of scope: outside Japan: in-person event at Singapore on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
IDEA CLIMBING: Learn to Explain Your Business Idea to Others Out of scope: Student programming: participation is restricted to students (参加対象：学生等), and this calendar is for adults.
A 90-minute student ideation workshop: structure problem, customer and solution, and leave with a business idea you can explain.
In person · Kanto (Tokyo) · JA
Copenhagen | Claude Impact Lab Out of scope: outside Japan: in-person event at København, Denmark on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other · Oct 21 – Oct 22
Thu, October 22, 2026
6eventsMexico City | Claude para las Mujeres que Facturan Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
AI Salon Montreal October Out of scope: outside Japan: in-person event at Montreal, QC on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
🇯🇵🇺🇸Antler Japan - JPN7 Residency Program | Ask-Me-Anything WEBINAR Program Info Session (Japanese/English simultaneous)
An online lunchtime AMA where the Antler Japan team answers prospective founders' questions about its JPN7 Residency program.
Online · JA/EN
Sydney | Claude For Developers Meetup Out of scope: Outside Japan: an in-person meetup held in Sydney, Australia.
Developer-focused Claude Code meetup in Sydney with networking, pizza, community talks (TBA) and an open Q&A.
In person · Other · EN
Thursday Gathering #401
Venture Café Tokyo's weekly Thursday Gathering at CIC Tokyo in Toranomon, with sessions and networking, in person or online.
Hybrid · Kanto (Tokyo) · JA/EN
Space Cafe Tokyo, Oct 2026 "Brown Dwarfs"
Space Cafe Tokyo: astronomer Dr. Ján Šubjak on brown dwarfs, the objects between planets and stars, over drinks in Shimokitazawa.
In person · Kanto (Tokyo) · EN
Fri, October 23, 2026
8eventsAI Salon Eindhoven - Where Eindhoven’s AI community meets. Out of scope: outside Japan: in-person event at Eindhoven, Netherlands on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Barcelona | Workshop (Women in Tech) Out of scope: Outside Japan: an in-person workshop held in Barcelona, Spain.
Evening build session in Barcelona for women in tech: bring a hard problem, build with Claude Opus 5.5, and demo the results.
In person · Other · EN
AI Salon Milano Out of scope: outside Japan: in-person event at Milano, Italy on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Mexico City | Claude for Marketers Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
NAGOYA CONNÉCT #130
Venture Café innovation community night at Nagono Campus in Nagoya, with sessions and networking.
Hybrid · Chubu · JA
AI x Finance #03
Tokyo AI's third AI x Finance night: forecast reliability for financial time series, AI and complex systems in economics, plus networking.
In person · Kanto (Tokyo) · EN
[Intermediate] Learn Enclosure Design with 3D CAD!
Intermediate workshop: design an infrared distance meter enclosure in Autodesk Fusion and learn 3D-print-ready design tips. Free, 6 seats.
In person · Kanto (Tokyo) · JA
The Secret of Understanding: Magical Instructions
UX DAYS TOKYO online session on how people understand instructions, and how to design instructions that land.
Online · JA
Sat, October 24, 2026
4eventsOrange County | Claude for Cybersecurity Out of scope: outside Japan: in-person event at Newport Beach, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Social Hack Day #78
Code for Japan's recurring one-day hackathon: build civic tech projects tackling social issues with others (Tokyo venue plus Zoom).
Hybrid · Kanto (Tokyo) · JA
KARATSU | Claude Code Impact Lab: Building a Local Small Business
Hands-on hackathon in Karatsu: use Claude Code to build a business idea and prototype in 3 hours around local fishery challenges.
In person · Kyushu · JA
Barcelona | Claude & Coffee (Women in Tech) Out of scope: outside Japan: in-person event at Barcelona, Spain on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Sun, October 25, 2026
1event
Mon, October 26, 2026
4eventsSeattle | AI Week Claude Impact Lab Hackathon Out of scope: outside Japan: in-person event at Seattle, WA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Distinguished Lecture by Prof. Charles Bouveyron (Inria Centre at Université Côte d’Azur) "Scaling Optimal Transport to High-Dimensional Gaussian Distributions with Application to Domain Adaptation"
RIKEN AIP lecture by Prof. Charles Bouveyron (Inria) on closed-form optimal transport for high-dimensional Gaussians. Hybrid at UTokyo.
Hybrid · Kanto (Tokyo) · EN
Go Global Hub #2 - Build Together: Cross-border Co-Creation Workshop
Mixed teams of international and Japanese founders, corporates and investors build business models together and pitch them in 3 minutes.
In person · Kanto (Tokyo) · EN
Mexico City | Claude Impact Lab en la Cámara de Diputados de México Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other · Oct 26 – Oct 27
Tue, October 27, 2026
2eventsTIB Scramble Meetup: Founder Frights, Fear Talk for the Startup Life
Small-group evening at TIB where founders share startup fears and the tricks that keep them in check.
In person · Kanto (Tokyo) · EN
Product Team + Scrum Master = Better Results or More Meetings?
ProductTank Tokyo and Scrum Masters Tokyo run a talk and workshop on whether Scrum Masters make product teams better or just busier.
In person · Kanto (Tokyo) · EN
Wed, October 28, 2026
12eventsMexico City | Claude for CTOs Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Miami | Claude Code Hacknight Out of scope: outside Japan: in-person event at Miami, FL on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Mexico City | Claude for Architecture, Engineering & Construction Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Orange County | Claude for Nonprofits Out of scope: outside Japan: in-person event at Santa Ana, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Guadalajara | Claude Code Meetup: JavaScript Edition Out of scope: outside Japan: in-person event at Zapopan, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
YOKOHAMA CONNÉCT #48
Innovation community night at TECH HUB YOKOHAMA in Minatomirai: talk sessions with live text translation, plus networking.
Hybrid · Kanto (Tokyo) · JA/EN
Snack and Connect
Weekly drop-in networking at Shibuya Startup Support's Bridge office: meet founders, investors, and the startup-curious over snacks.
In person · Kanto (Tokyo) · EN
TIB CXO Lounge ~ A Gathering of Startup CXOs Facing the Hard Things
One-hour after-work networking at TIB where startup CXOs swap candid notes on capital policy, hiring, and hard calls.
In person · Kanto (Tokyo) · JA
Tokyo Python Good Vibes
Tokyo Python October meetup in Meguro with talks on Marimo notebooks and the Astra and Pyxel projects.
In person · Kanto (Tokyo) · EN
[Pitchers and Audience Wanted] TIB SANDBOX Vol.3 (Pitch Event) for Idea to Early-Stage Startups
TIB pitch night where seven idea-to-early-stage startups give 3-minute pitches and get live feedback from commentators.
In person · Kanto (Tokyo) · JA
Cincinnati | Claude Code Workshop Out of scope: outside Japan: in-person event at Cincinnati, OH on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Mexico City | Claude for Revenue: Sales, GTM & Agents That Sell Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other · Oct 28 – Oct 29
Thu, October 29, 2026
6eventsAustin | Claude Workshop: Plugins for the Enterprise Out of scope: Outside Japan: an in-person workshop held in Austin, Texas.
Hands-on Claude plugins workshop in Austin for teams in regulated and high-trust industries, held during Austin Tech Week.
In person · Other · EN
San Diego | Claude for Legal Workshop Out of scope: outside Japan: in-person event at San Diego, CA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Los Angeles | Claude for Founders & Fractionals Out of scope: Outside Japan: an in-person meetup held in Los Angeles.
LA meetup where founders and fractional executives share and demo how they actually use Claude to build and advise.
In person · Other · EN
Seattle Designers | Claude Community x PSL: Creative problem solving with AI Out of scope: outside Japan: in-person event at Seattle, WA on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Thursday Gathering #402
Venture Café Tokyo's weekly innovation night at CIC Tokyo in Toranomon: talk sessions and networking, with online access.
Hybrid · Kanto (Tokyo) · JA/EN
Newcastle | Claude Workshop Out of scope: outside Japan: in-person event at Newcastle upon Tyne, United Kingdom on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other · Oct 29 – Oct 30
Fri, October 30, 2026
7eventsMexico City | Claude for Music Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
IMPACT FUTURE WEEKEND 2026 AUTUMN - Responsible Capital Meets Social Innovation
One-day Tokyo forum on AI, impact investing and long-term capital, with a venture exchange for impact startups.
In person · Kanto (Tokyo) · EN
TAI x Techstars Tokyo - August 2026 Class Showcase
Five-minute pitches from Techstars Tokyo's August 2026 class, hosted with Tokyo AI and SDS in Shibuya, followed by networking.
In person · Kanto (Tokyo) · EN
HITACHI IGNITE 2026 (TSUKUBA CONNÉCT #90): Partnering Technology, Changing Workplaces, Emerging Industries
TSUKUBA CONNÉCT special in Hitachi: manufacturer, startup and university partnerships shaping new industry in northern Ibaraki.
Hybrid · Kanto (Tokyo) · JA
Aoyama Startup Acceleration Center (ASAC) 11th Anniversary Event & Batch 22 Demo Day
Tokyo's ASAC incubator marks its 11th anniversary with alumni talks and a demo day of 12 Batch 22 seed startups.
In person · Kanto (Tokyo) · JA
AI x GTM
Tokyo AI evening on AI for go-to-market: scalable AI outreach personalization, AI search optimization, and Google vs AI-search visibility research.
In person · Kanto (Tokyo) · EN
Sapporo | Claude Meetup
北海道初のClaude Communityイベント。仕事や生活でのClaude活用をLTで持ち寄り、非エンジニアも歓迎の交流会。
In person · Hokkaido · JA
Sat, October 31, 2026
2eventsMexico City | Claude Community House Out of scope: outside Japan: in-person event at Ciudad de México, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Kagoshima | Claude Meetup
鹿児島初のClaude Communityイベント。作ったものや困りごとを持ち寄って共有する、初心者も歓迎の無料ミートアップ。
In person · Kyushu · JA
Wed, November 4, 2026
2eventsSnack and Connect
Weekly drop-in startup networking with snacks at Shibuya Bridge, open to entrepreneurs, investors and the startup-curious.
In person · Kanto (Tokyo) · EN
Brisbane | Claude for Small and Medium Business (SMB) Out of scope: Outside Japan: an in-person meetup held in Brisbane, Australia.
Brisbane Claude Community meetup focused on how small and medium businesses can use Claude.
In person · Other · EN
Thu, November 5, 2026
3eventsCopenhagen | Claude Code for Developers Out of scope: outside Japan: in-person event at København, Denmark on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Claude Cybersecurity | London Hackathon Out of scope: Outside Japan: an in-person hackathon held in London.
London team hackathon: build a Claude-powered solution to a cybersecurity topic picked by a wheel of fortune in 2 hours.
In person · Other · EN
ProductTank Tokyo - Monthly Casual @ TenCups Cafe Bar & Lounge
Casual evening networking for product managers and aspiring PMs over food and drinks at TenCups in Shibuya.
In person · Kanto (Tokyo) · JA/EN
Fri, November 6, 2026
3eventsAI Salon Groningen #2 Out of scope: outside Japan: in-person event at Groningen, Netherlands on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
2600 Meeting
Monthly Tokyo 2600 hacker meeting, open conversation in a Kabukicho bar reserved for the group.
In person · Kanto (Tokyo) · EN
2600 Meeting
Monthly Tokyo 2600 meeting, the only active one in Japan: an open hangout in a reserved Kabukicho bar to talk hacking and security.
In person · Kanto (Tokyo) · EN
Mon, November 9, 2026
1event
Wed, November 11, 2026
1event
Thu, November 12, 2026
4eventsCancun | Claude For Hospitality Out of scope: outside Japan: in-person event at Cancún, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Tokyo Test Fest 2026
Two-day software testing conference in Tokyo with workshops, keynotes, and EN/JA talks on test automation and quality engineering for AI.
In person · Kanto (Tokyo) · JA/EN · Nov 12 – Nov 13
qcp Startup Pitch 2026
Pitch contest co-hosted by Tokyo University of Science: seven science and tech startups from Japan and abroad, a keynote, and networking.
In person · Kanto (Tokyo) · JA
Shinjuku | Claude for SMBs
エンジニア不在の中小企業向けに、Claudeによる業務内製化や経営活用の事例をLTで紹介する新宿の交流イベント。
In person · Kanto (Tokyo) · JA
Fri, November 13, 2026
4eventsCopenhagen | Claude for Science Out of scope: Outside Japan: an in-person event held in Copenhagen, Denmark.
Four researchers share real cases of using Claude in scientific research, at the Niels Bohr Institute in Copenhagen.
In person · Other · EN
Claude for CMOs: The New Marketing Operating Model Out of scope: Outside Japan: an in-person event held in New York City.
Executive session in New York on how Claude is reshaping marketing and GTM operating models for CMOs.
In person · Other · EN
Austin | Claude Code Workshop Out of scope: Outside Japan: an in-person event held in Austin, Texas.
Volunteer-run Claude Code workshop for local builders in Austin, Texas.
In person · Other · EN
Real-time AI at the Edge: Inference, Kernels and Accelerators
Tokyo AI evening of three talks on low-latency edge AI: GPU profiling, portable inference runtimes and Jetson deployment.
In person · Kanto (Tokyo) · EN
Sat, November 14, 2026
2eventsTORYUMON KYUSHU 2026 Winter
A startup conference in Fukuoka for the under-25 generation, featuring entrepreneur panels, pitch sessions, and VC investment consultations.
In person · Kyushu · JA
Miami | Opus 5.5 Build Day - Marketing Sprint Out of scope: outside Japan: in-person event at Miami, FL on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other · Nov 14 – Nov 15
Wed, November 18, 2026
3eventsSydney | Claude For Developers Meetup Out of scope: Outside Japan: an in-person event held in Sydney, Australia.
Claude Code developer meetup in Sydney with networking, community talks and an open Q&A.
In person · Other · EN
Diffusion Models: From Foundations to a Working Application
Tokyo AI technical session on diffusion models: flow matching foundations, diffusion language models and discrete-domain uses.
In person · Kanto (Tokyo) · EN
IDEA CLIMBING: Learn to Explain Your Business Idea to Others Out of scope: Student programming: participation is restricted to students (参加対象：学生等), and this calendar is for adults.
A 90-minute workshop for students on generating a business idea and shaping it into something they can explain to others.
In person · Kanto (Tokyo) · JA
Thu, November 19, 2026
1event
Sun, November 22, 2026
1event
Tue, November 24, 2026
2eventsMonterrey | Claude for Commerce, Manufacturing & Industry 4.0 Out of scope: outside Japan: in-person event at Monterrey, Mexico on a global multi-city calendar, with no Japan venue or Japan tie-in
In person · Other
Business In Japan 100K Members Celebration Party
Business In Japan's 100K-member celebration in Chuo-ku, Tokyo: catered networking party, English or Japanese welcome.
In person · Kanto (Tokyo) · JA/EN
Wed, November 25, 2026
1event
Fri, November 27, 2026
1event
Sat, November 28, 2026
2eventsJJUG CCC 2026 Fall: On-site Volunteer Staff Wanted
Volunteer staff and staff leaders wanted to help run JJUG CCC 2026 Fall, Japan's Java community conference, on Nov 28 in Shinjuku.
In person · Kanto (Tokyo) · JA
JJUG CCC 2026 Fall (In-Person Only)
Fall edition of JJUG CCC, Japan's largest Java community conference: a full day of Java sessions in Shinjuku and an evening LT social, in person only.
In person · Kanto (Tokyo) · JA
Sun, November 29, 2026
2eventsGoogle Developer Group DevFest Tokyo 2026
DevFest Tokyo 2026, GDG Tokyo's annual developer conference, held at JP Tower in Marunouchi.
In person · Other · JA
Sapporo | Claude Meetup
Sapporo meetup with an intro talk and live demos on using Claude for everyday business work, aimed at small-business leaders.
In person · Hokkaido · JA
Wed, December 2, 2026
1event
Thu, December 3, 2026
1eventFri, December 4, 2026
2events2600 Meeting
A monthly 2600 hacker meeting in Shinjuku, with the bar reserved for open talk about hacking and security.
In person · Kanto (Tokyo) · EN
2600 Meeting
Monthly Tokyo 2600 meeting, the only active one in Japan: an open hangout in a reserved Kabukicho bar to talk hacking and security.
In person · Kanto (Tokyo) · EN
Wed, December 9, 2026
1eventWed, December 16, 2026
1eventThu, December 17, 2026
1eventSat, December 19, 2026
3eventsTORYUMON TOKYO 2026 Winter
Japan's largest U25 startup conference, with founder panels, pitches, VC consultations, and a networking mixer in Shibuya.
In person · Kanto (Tokyo) · JA
TORYUMON TOKYO 2026 REBOOT
Free startup conference in Shibuya for under-25s: founder panels, pitches by young founders, VC consultations and networking.
In person · Kanto (Tokyo) · JA
[In Person] Turn Ideas into Reality Fast: Hands-on AI x Programming Workshop for High School and University Students Out of scope: Students programming: the workshop is aimed exclusively at high school and university students.
Hands-on workshop at TIB for high school and university students to prototype their ideas in three hours with AI and code.
In person · Kanto (Tokyo) · JA
Fri, January 1, 2027
2events2600 Meeting
Monthly Tokyo chapter meeting of the worldwide 2600 hacker gathering, held in a reserved Kabukicho bar with no fixed agenda.
In person · Kanto (Tokyo) · JA/EN
2600 Meeting
Monthly Tokyo 2600 meeting, the only active one in Japan: an open hangout in a reserved Kabukicho bar to talk hacking and security.
In person · Kanto (Tokyo) · EN
