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

ContrastAPI

29 security tools for AI agents — CVE, OSINT, threat intel, code security. No API key needed.

60/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance20/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
386.9ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 406 in 357ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 386ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Apr 11, 2026success357.8msPartial
Apr 11, 2026success379.7msPartial
Apr 11, 2026success330.3msPartial
Apr 11, 2026success386.9msPartial
Apr 11, 2026success328.7msPartial
Source Registries
mcp-registry
First Seen
Apr 11, 2026
Last Seen
Apr 11, 2026
Last Probed
Apr 11, 2026
ContrastAPI — Chiark Agent Quality Index