Ecosystem Statistics
Overview of the MCP server ecosystem monitored by YellowMCP
20,348
Total Servers
92.5%
Avg Uptime (live)
0
New This Week
7
Categories
15,007,982
Health Checks Run
Security Intelligence
2,180 remote MCP servers scanned for security posture
Trust Score Distribution
Excellent (90-100)1,187 (54.4%)
Good (70-89)460 (21.1%)
Fair (50-69)522 (23.9%)
Poor (30-49)11 (0.5%)
Critical (0-29)0 (0.0%)
Average trust score: 83/100
Authentication
OAuth / Bearer645 (29.6%)
Unknown1,073 (49.2%)
No Authentication276 (12.7%)
Weak (static key)186 (8.5%)
CORS Policy
Open (Allow: *)1,141 (52.3%)
No CORS headers713 (32.7%)
Restricted146 (6.7%)
SSL/TLS Certificates
92.7%
Valid
17
Expiring (<30d)
13
Invalid/Expired
Trust Score by Category
media84/100 (111 servers)
productivity83.9/100 (202 servers)
dev-tools83.3/100 (1237 servers)
data82.7/100 (331 servers)
other82.6/100 (154 servers)
finance81.1/100 (98 servers)
security79.8/100 (47 servers)
Category Distribution
dev-tools14662 servers (72.1%)
Avg uptime: 68.2%
other2788 servers (13.7%)
Avg uptime: 71.1%
data1199 servers (5.9%)
Avg uptime: 69.2%
productivity793 servers (3.9%)
Avg uptime: 65.1%
media465 servers (2.3%)
Avg uptime: 71.2%
finance227 servers (1.1%)
Avg uptime: 67.8%
security214 servers (1.1%)
Avg uptime: 54.7%
About This Data
- Monitoring began 4/1/2026
- 15,007,982 health checks have been performed
- Servers are checked every 5–15 minutes depending on verification status
- Uptime and latency are computed over a rolling 30-day window
- Security scans run every 6 hours on all remote-capable servers
- Trust scores are passive assessments — no penetration testing or active exploitation
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