mattn
GENERATIONAL TALENThall-of-fame maintainer, high and balanced, earned over years.
Based on public GitHub activity only. Not a full picture of private work.
TRAITS
SIGNALS
- Star Magnet+
- Prolific+
- Connector+
- Rapid Fire+
- Marathoner+
- Veteran+
- Workhorse+
- Magnetic
Unclaimed
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GITHUB METRICS
AI Summary
Go-focused engineer mattn (Japan) earns a 96 scout score with nearly 50k stars and 18 years of sustained public shipping.
- Nearly 50,000 stars earned and 9,186 top-repo reach point to high-impact public outcomes, with a 90 collaboration signal from 924 pull requests and 51 code reviews.
- 6,132 commits, 42,443 lifetime contributions, and 7,100 contributions this year back a 94 sustained-output signal across 18 years on GitHub.
- Seven languages on record, led by Go, with 1,100 public repos; all metrics reflect public GitHub activity only, not private employer work.
Gitwork rates role fit as feature delivery and high-impact shipping, supported by a long-tenured maintainer profile with balanced, steady delivery built over many years. Strongest public signals are endurance, standout repo reach, and cross-repo collaboration, making mattn a strong scout for teams that need a senior Go engineer who can ship widely used work and stay productive over time. Hiring decisions should treat the 96 score as public-output evidence only.