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

SandboxAPI

Execute code in 8 languages (Python, JS, TS, Go, Java, C++, C, Bash) in gVisor sandboxes.

55/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance15/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
58.7ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 150ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 58ms, task completion: 0%
Recent Probe Results
TimestampStatusLatencyConformance
Apr 5, 2026success150.1msPass
Apr 5, 2026success58.7msPass
Source Registries
mcp-registry
First Seen
Apr 5, 2026
Last Seen
Apr 5, 2026
Last Probed
Apr 5, 2026
SandboxAPI — Chiark Agent Quality Index