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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54/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance14/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
323.3ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 200 in 230ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 323ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
May 16, 2026success230.2msPartial
May 13, 2026success144.7msPartial
May 13, 2026success147.5msPartial
May 12, 2026success184.2msPartial
May 11, 2026success323.3msPartial
May 9, 2026success226.4msPartial
May 7, 2026success112.7msPartial
May 7, 2026success216.1msPartial
May 7, 2026success141.2msPartial
May 6, 2026success115.9msPartial
Source Registries
mcp-registry
First Seen
Mar 25, 2026
Last Seen
May 17, 2026
Last Probed
May 16, 2026