Leaderboard/io.github.Zero-nium/project-substitute-arena
MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

io.github.Zero-nium/project-substitute-arena

github.com/Zero-nium/substitute-backend↗|v1.0.0
Productivity

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40/100
Operational Score
Score Breakdown
Availability20/30
Conformance10/30
Performance10/40
Key Metrics
Uptime 30d
98.9%
P95 Latency
541.7ms
Conformance
Fail
Trend
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 200 in 192ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 541ms, task completion: 0%
Improvement Tips
  • -Improve uptime (currently 98.9%, target 99%+)
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Apr 2, 2026success192.7msPartial
Apr 2, 2026success130.6msPartial
Apr 2, 2026success151.2msPartial
Apr 2, 2026success107msPartial
Apr 2, 2026success121.9msPartial
Apr 2, 2026success191msPartial
Apr 2, 2026success106.7msPartial
Apr 2, 2026success122.6msPartial
Apr 2, 2026success110msPartial
Apr 2, 2026success101.9msPartial
Source Registries
mcp-registry
First Seen
Mar 25, 2026
Last Seen
Apr 1, 2026
Last Probed
Apr 2, 2026