MA

Yukihiro "Matz" Matsumoto

@matz

Matsue, Japan

Joined October 2008

10196 Followers

0 Following

AI Insights & Achievements

52/ 100

Quality

Avg 474.8 stars per repo.

Consistency

360 day streak.

Veteran

Coding for 18 years.

Organizations

MR MR

Public Repos

10

Total Stars

4748

Total Forks

250

Public Gists

6

Top Languages

Based on primary language of repositories

Recent Activity

Contribution Graph

Activity Timeline

Commits and contributions grouped by day, week, or month.

High productivity periods

Most active day: January 13th, 2026 • 18 contributions

Most active week: Jan 12–Jan 18 • 62 contributions

Most active month: Jul 2025 • 214 contributions

Pushed to master at mruby/mgem-list

January 29th, 2026 12:22 PM

Pushed to master at mruby/mruby

January 27th, 2026 7:04 AM

Pushed to master at mruby/mruby

January 27th, 2026 4:49 AM

Pushed to master at mruby/mruby

January 27th, 2026 4:47 AM

Pushed to master at mruby/mruby

January 20th, 2026 4:28 AM

Pushed to master at mruby/mruby

January 20th, 2026 3:37 AM

IssueCommentEvent on mruby/mruby

January 19th, 2026 9:39 AM

Pushed to master at mruby/mruby

January 19th, 2026 9:08 AM

closed issue in mruby/mruby

January 17th, 2026 5:22 AM

Pushed to master at mruby/mruby

January 17th, 2026 5:22 AM

GitHub Analytics

Yukihiro "Matz" Matsumoto

Quality

Consistency

Veteran