Leaderboard/Courier
MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

Courier

Send notifications, manage templates, and configure integrations with Courier.

50/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance10/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
768.9ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 582ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 768ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Apr 4, 2026success582.1msPartial
Apr 4, 2026success292.3msPartial
Apr 4, 2026success132.2msPartial
Apr 4, 2026success149.2msPartial
Apr 4, 2026success679.1msPartial
Apr 4, 2026success320.7msPartial
Apr 4, 2026success327.3msPartial
Apr 4, 2026success313.3msPartial
Apr 4, 2026success323.8msPartial
Apr 4, 2026success290msPartial
Source Registries
mcp-registry
First Seen
Apr 3, 2026
Last Seen
Apr 3, 2026
Last Probed
Apr 4, 2026
Courier — Chiark Agent Quality Index