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

Callendar

callendar.co↗|v1.0.0

WhatsApp® reminders and rescheduling for Calendly. Public read-only MCP endpoint.

84/100
Operational Score
Score Breakdown
Availability30/30
Conformance30/30
Performance24/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
1,083.7ms
Conformance
Pass
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 405 in 323ms
Conformance
MCP initialize handshake + tools/list
Valid MCP server info returned, tools/list responded
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 1083ms, task completion: 100%
Improvement Tips
  • -Reduce response time (currently 1083ms, target <1000ms)
Tools
4 tools verified via live probe
verified 1d ago
Server: callendar-mcpVersion: 1.0.0Protocol: 2025-06-18
Recent Probe Results
TimestampStatusLatencyConformance
May 13, 2026success323.8msPass
May 13, 2026success594msPass
May 12, 2026success851.7msPass
May 11, 2026success1083.7msPass
Source Registries
mcp-registry
First Seen
May 9, 2026
Last Seen
May 13, 2026
Last Probed
May 13, 2026