Ecosystem Statistics
Overview of the MCP server ecosystem monitored by YellowMCP
20,348
Total Servers
91.4%
Avg Uptime (live)
0
New This Week
7
Categories
29,222,516
Health Checks Run
Security Intelligence
2,180 remote MCP servers scanned for security posture
Trust Score Distribution
Excellent (90-100)1,122 (51.5%)
Good (70-89)551 (25.3%)
Fair (50-69)489 (22.4%)
Poor (30-49)18 (0.8%)
Critical (0-29)0 (0.0%)
Average trust score: 82/100
Authentication
OAuth / Bearer636 (29.2%)
Unknown1,145 (52.5%)
No Authentication221 (10.1%)
Weak (static key)178 (8.2%)
CORS Policy
Open (Allow: *)1,102 (50.6%)
No CORS headers688 (31.6%)
Restricted123 (5.6%)
SSL/TLS Certificates
88.9%
Valid
26
Expiring (<30d)
13
Invalid/Expired
Trust Score by Category
media83.6/100 (111 servers)
productivity82.3/100 (202 servers)
dev-tools82.2/100 (1237 servers)
other82.1/100 (154 servers)
data82/100 (331 servers)
finance80/100 (98 servers)
security78/100 (47 servers)
Category Distribution
dev-tools14662 servers (72.1%)
Avg uptime: 62.7%
other2788 servers (13.7%)
Avg uptime: 65.7%
data1199 servers (5.9%)
Avg uptime: 62.7%
productivity793 servers (3.9%)
Avg uptime: 58.6%
media465 servers (2.3%)
Avg uptime: 69.6%
finance227 servers (1.1%)
Avg uptime: 61.9%
security214 servers (1.1%)
Avg uptime: 47.5%
About This Data
- Monitoring began 4/1/2026
- 29,222,516 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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