MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.
OneSignal
OneSignal is a customer engagement platform that lets you send targeted push notifications, emails, SMS, and in-app messages, manage audiences, and track campaign performance. With the OneSignal MCP, manage your messaging directly from your AI assistant. Send push notifications, emails, and SMS by simply describing your audience and message. Check campaign delivery stats, build audience segments, manage templates, and handle user subscriptions all through conversation.
57/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance17/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
304ms
Conformance
Fail
Trend
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 192ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 304ms, task completion: 0%
Improvement Tips
- -Fix MCP initialize handshake errors
Recent Probe Results
| Timestamp | Status | Latency | Conformance |
|---|---|---|---|
| May 25, 2026 | success | 192.8ms | Partial |
| May 22, 2026 | success | 167.1ms | Partial |
| May 22, 2026 | success | 208.6ms | Partial |
| May 21, 2026 | success | 304ms | Partial |
| May 20, 2026 | success | 273.6ms | Partial |
| May 18, 2026 | success | 184.3ms | Partial |
| May 12, 2026 | success | 183.6ms | Partial |
| May 11, 2026 | success | 309.4ms | Partial |
| May 9, 2026 | success | 416.3ms | Partial |
| May 7, 2026 | success | 670ms | Partial |
Source Registries
smithery
First Seen
Apr 10, 2026
Last Seen
May 25, 2026
Last Probed
May 25, 2026