GitHub Cred

Analyze GitHub user contribution quality.

Triggers

• github cred <username>
• analyze <username>'s github

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Four-Tier Scoring System

Tier 0 — Owned High-Star Repos (30%)

Metric	Score
Own ≥10k⭐ repo	+30
Own ≥5k⭐ repo	+20
Own ≥1k⭐ repo	+10

Cap: 30. Creator > Contributor

Tier 1 — External Contributions (30%)

Metric	Score
Merged PR in ≥100k⭐ repo	+4/PR
Merged PR in ≥10k⭐ repo	+2/PR
Merged PR in ≥1k⭐ repo	+1/PR
Non-trivial (>20 lines)	×1.5

Cap: 30

Tier 2 — Output Quality (20%)

Metric	Score
Merge rate ≥70%	+10
Merge rate ≥50%	+7
Code ratio ≥80%	+5
Diversity ≥10 repos	+5

Cap: 20

Tier 3 — Social Influence (20%)

Metric	Score
≥5k followers	+20
≥2k followers	+15
≥1k followers	+12
≥500 followers	+8
≥200 followers	+5
≥100 followers	+3
<100 followers	+1

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Grades

Grade	Score	Description
S	95+	Legend — top project creator + core contributor + influencer
A+	85-94	Master — high-star project owner OR top project contributor
A	70-84	Senior — active developer with real contributions
B	50-69	Active — steady contributor
C	30-49	Beginner — some contributions
D	<30	Newbie

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Output Format

📊 GitHub Cred: @username

🏆 XX/100 (Grade)

▸ Tier 0 Owned Repos (XX/30)
  👑 repo1 ⭐XXk

▸ Tier 1 External Contributions (XX/30)
  🔨 org/repo ⭐XXk × N PRs

▸ Tier 2 Output Quality (XX/20)
  📈 Merge rate XX% | Code ratio XX%

▸ Tier 3 Social Influence (XX/20)
  👥 X,XXX followers

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Two Paths to A+

• Creator path — Build one 10k+ stars project
• Contributor path — Deep contributions to multiple top projects (100k+ stars)

Mixed is strongest.