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
258ms
Conformance
Fail
Trend
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 200 in 258ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 258ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Jun 30, 2026success258msPartial
Jun 27, 2026success128.2msPartial
Jun 25, 2026success183.5msPartial
Jun 24, 2026success187.1msPartial
Jun 17, 2026success244.9msPartial
Jun 16, 2026success192.7msPartial
Jun 16, 2026success213.5msPartial
Jun 15, 2026success106.1msPartial
Jun 12, 2026success179.6msPartial
Jun 11, 2026success271.5msPartial
Source Registries
mcp-registry
First Seen
Mar 25, 2026
Last Seen
Jul 2, 2026
Last Probed
Jun 30, 2026