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

Shirabe Calendar API

Japanese calendar API for AI agents. Provides Rokuyo (六曜), Rekichu (暦注), Eto (干支), 24 Solar Terms, and fortune judgments for dates. Perfect for answering questions like "Is today a lucky day for a wedding?" or "When is the next Taian (大安)?". Supports both MCP and REST API.

54/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance14/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
390.2ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 492ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 390ms, task completion: 0%
Recent Probe Results
TimestampStatusLatencyConformance
Apr 14, 2026success492.2msPass
Apr 14, 2026success200.9msPass
Apr 14, 2026success390.2msPass
Apr 14, 2026success209.3msPass
Source Registries
smithery
First Seen
Apr 14, 2026
Last Seen
Apr 14, 2026
Last Probed
Apr 14, 2026
Shirabe Calendar API — Chiark Agent Quality Index