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

Country Calling Codes

Country calling codes, ISO codes, E.164 dial codes, regions, trunk prefixes, and NANP area codes.

50/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance10/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
440ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 405 in 164ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 440ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Jun 5, 2026success164.4msPartial
Jun 5, 2026success440msPartial
Jun 4, 2026success161.8msPartial
Jun 3, 2026success169.6msPartial
May 30, 2026success332.8msPartial
May 29, 2026success121.3msPartial
May 29, 2026success174.5msPartial
May 27, 2026success162.8msPartial
May 27, 2026success322.8msPartial
May 27, 2026success367.4msPartial
Source Registries
mcp-registry
First Seen
May 24, 2026
Last Seen
Jun 8, 2026
Last Probed
Jun 5, 2026