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

Preflight

github.com/evanfollis/preflight↗|v0.1.0

Check if your MCP server is ready to publish on the MCP Registry, Smithery, or npm.

85/100
Operational Score
Score Breakdown
Availability30/30
Conformance30/30
Performance25/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
242.9ms
Conformance
Pass
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 405 in 80ms
Conformance
MCP initialize handshake + tools/list
Valid MCP server info returned, tools/list responded
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 242ms, task completion: 100%
Tools
1 tool verified via live probe
verified 3d ago
Server: preflightVersion: 0.1.0Protocol: 2025-11-25
Recent Probe Results
TimestampStatusLatencyConformance
Jul 8, 2026success80.4msPass
Jul 8, 2026success242.9msPass
Jul 3, 2026success232.6msPass
Jun 30, 2026success95.9msPass
Jun 27, 2026success84.7msPass
Jun 25, 2026success282msPass
Jun 24, 2026success273.1msPass
Jun 17, 2026success96.4msPass
Jun 16, 2026success86.9msPass
Jun 16, 2026success98.6msPass
Source Registries
mcp-registry
First Seen
Apr 12, 2026
Last Seen
Jul 11, 2026
Last Probed
Jul 8, 2026