MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.
Emailens MCP
Email compatibility analysis across 15 clients — preview, audit, fix, diff, deliverability.
47/100
Operational Score
Score Breakdown
Availability27/30
Conformance10/30
Performance10/40
Key Metrics
Uptime 30d
99.3%
P95 Latency
761.2ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 406 in 556ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 761ms, task completion: 0%
Improvement Tips
- -Fix MCP initialize handshake errors
Recent Probe Results
| Timestamp | Status | Latency | Conformance |
|---|---|---|---|
| Apr 4, 2026 | success | 556.3ms | Partial |
| Apr 4, 2026 | success | 352.5ms | Partial |
| Apr 4, 2026 | success | 352.7ms | Partial |
| Apr 4, 2026 | success | 268.3ms | Partial |
| Apr 4, 2026 | success | 911.1ms | Partial |
| Apr 4, 2026 | success | 162.1ms | Partial |
| Apr 4, 2026 | success | 360.4ms | Partial |
| Apr 4, 2026 | success | 183.8ms | Partial |
| Apr 4, 2026 | success | 416.3ms | Partial |
| Apr 4, 2026 | success | 83.8ms | Partial |
Source Registries
mcp-registry
First Seen
Apr 1, 2026
Last Seen
Apr 3, 2026
Last Probed
Apr 4, 2026