Ecosystem Statistics
Overview of the MCP server ecosystem monitored by YellowMCP
20,348
Total Servers
92.2%
Avg Uptime (live)
0
New This Week
7
Categories
22,041,635
Health Checks Run
Security Intelligence
2,180 remote MCP servers scanned for security posture
Trust Score Distribution
Excellent (90-100)1,149 (52.7%)
Good (70-89)531 (24.4%)
Fair (50-69)486 (22.3%)
Poor (30-49)14 (0.6%)
Critical (0-29)0 (0.0%)
Average trust score: 83/100
Authentication
OAuth / Bearer624 (28.6%)
Unknown1,116 (51.2%)
No Authentication253 (11.6%)
Weak (static key)187 (8.6%)
CORS Policy
Open (Allow: *)1,104 (50.6%)
No CORS headers676 (31.0%)
Restricted123 (5.6%)
SSL/TLS Certificates
90.0%
Valid
9
Expiring (<30d)
17
Invalid/Expired
Trust Score by Category
media84.5/100 (111 servers)
productivity83.2/100 (202 servers)
dev-tools82.7/100 (1237 servers)
data82.6/100 (331 servers)
other81.8/100 (154 servers)
finance79.7/100 (98 servers)
security78.7/100 (47 servers)
Category Distribution
dev-tools14662 servers (72.1%)
Avg uptime: 65.9%
other2788 servers (13.7%)
Avg uptime: 69.2%
data1199 servers (5.9%)
Avg uptime: 65.6%
productivity793 servers (3.9%)
Avg uptime: 62.8%
media465 servers (2.3%)
Avg uptime: 70.4%
finance227 servers (1.1%)
Avg uptime: 65.1%
security214 servers (1.1%)
Avg uptime: 51.1%
About This Data
- Monitoring began 4/1/2026
- 22,041,635 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
Stay updated on MCP reliability
Get the monthly State of MCP Reliability report and ecosystem insights.
No spam. Unsubscribe anytime.