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

JSONShelf

Deterministic JSON repair, validate, example-gen, schema-coerce for agents. Zero LLM, sub-10ms.

80/100
Operational Score
Score Breakdown
Availability30/30
Conformance30/30
Performance20/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
2,653.7ms
Conformance
Pass
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 2653ms
Conformance
MCP initialize handshake + tools/list
Valid MCP server info returned, tools/list responded
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 2653ms, task completion: 100%
Improvement Tips
  • -Reduce response time (currently 2653ms, target <1000ms)
Tools
4 tools verified via live probe
verified 1d ago
Server: jsonshelfVersion: 1.0.0Protocol: 2024-11-05
Recent Probe Results
TimestampStatusLatencyConformance
Apr 23, 2026success2653.7msPass
Apr 23, 2026success175.8msPass
Apr 21, 2026success2051msPass
Apr 21, 2026success2267msPass
Source Registries
mcp-registry
First Seen
Apr 19, 2026
Last Seen
Apr 24, 2026
Last Probed
Apr 23, 2026