I’m Masato Kato, a former seafarer independently developing SaijinOS, a local AI project. I write about AI architecture, memory, continuity, and human-paced interaction.
From Dece... Show more
kato masato
@Kato Masato
Masato Katoverified
SaijinOS builder | Code review & web app QA on Fiverr
About
Top Skills
Python FastAPI AI Development LLM Integration TypeScript VS Code Extension REST API YAML
Licenses & Certifications
verified
Third Class Maritime Officer License (Navigation)
Japan Ministry of Land, Infrastructure, Transport and Tourism
Issued Sep 2012Language & Tools
Python · FastAPI · TypeScript · YAML · Git · Markdown · Local LLM tooling · Technical documentation
Currently Exploring
Reproducible AI workflow evaluation, memory and continuity in local AI systems, and clear project handovers.
Achievements
Developing SaijinOS as an independent local AI project.
Publishing technical articles about AI architecture and design decisions on DEV and CoderLegion.
Background in vessel operations, safety documentation, crew training, and maritime education.
Publishing technical articles about AI architecture and design decisions on DEV and CoderLegion.
Background in vessel operations, safety documentation, crew training, and maritime education.
Fun Fact
Once a sailor — now an architect of digital tides.
Random Dev Quote
"Every system carries a bit of its creator’s heartbeat."
Contributions
Articles
- Aribito: Three Perspectives Before the Next StepOct 02, 2026
- The System Learns That Enabled Is Not ApprovedAug 10, 2026
- The System Learns to Read Without ObeyingAug 01, 2026
- The System Learns to Ask Before It Reaches OutJul 20, 2026
- The System Learns to Consult Before It AnswersJun 28, 2026
Comments
- @[nate] Thanks, Nate! For me, it depends on the situation and what we ...Oct 05, 2026
- @[Emder] Thanks — in the current SaijinOS design, I keep them separa...Aug 12, 2026
- @[Alexa] Thank you! Not yet at a genuinely complex-dataset scale. So f...Aug 03, 2026
- @[hussent] Yes—sometimes, and I think that small delay is intentiona...Jul 22, 2026
- @[fitrisari] Thank you — I’m glad the distinction between the plan...Jul 09, 2026
chevron_left