Ecosystem Statistics
Overview of the MCP server ecosystem monitored by YellowMCP
20,348
Total Servers
88.4%
Avg Uptime (live)
0
New This Week
7
Categories
7,705,554
Health Checks Run
Security Intelligence
2,180 remote MCP servers scanned for security posture
Trust Score Distribution
Excellent (90-100)1,193 (54.7%)
Good (70-89)443 (20.3%)
Fair (50-69)527 (24.2%)
Poor (30-49)17 (0.8%)
Critical (0-29)0 (0.0%)
Average trust score: 83/100
Authentication
OAuth / Bearer656 (30.1%)
Unknown1,058 (48.5%)
No Authentication286 (13.1%)
Weak (static key)180 (8.3%)
CORS Policy
Open (Allow: *)1,138 (52.2%)
No CORS headers712 (32.7%)
Restricted150 (6.9%)
SSL/TLS Certificates
93.1%
Valid
22
Expiring (<30d)
11
Invalid/Expired
Trust Score by Category
productivity84.3/100 (202 servers)
data83.7/100 (331 servers)
media83.6/100 (111 servers)
dev-tools82.9/100 (1237 servers)
other81.8/100 (154 servers)
security81.5/100 (47 servers)
finance79.8/100 (98 servers)
Category Distribution
dev-tools14662 servers (72.1%)
Avg uptime: 66.4%
other2788 servers (13.7%)
Avg uptime: 69.9%
data1199 servers (5.9%)
Avg uptime: 68.9%
productivity793 servers (3.9%)
Avg uptime: 64.6%
media465 servers (2.3%)
Avg uptime: 69.4%
finance227 servers (1.1%)
Avg uptime: 64.3%
security214 servers (1.1%)
Avg uptime: 55.5%
About This Data
- Monitoring began 4/1/2026
- 7,705,554 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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