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

Cognitive Browser

smithery.ai/alexandria-shai-eden/cbrowser↗

105-tool browser automation with cognitive user simulation, visual testing, persona system, and site knowledge. Rate limited (50 req/hr). Free for evaluation

47/100
Operational Score
Score Breakdown
Availability27/30
Conformance10/30
Performance10/40
Key Metrics
Uptime 30d
99.5%
P95 Latency
572ms
Conformance
Fail
Trend
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 201ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 572ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Apr 16, 2026success201.4msPartial
Apr 16, 2026success572msPartial
Apr 16, 2026success250.8msPartial
Apr 16, 2026success261msPartial
Apr 16, 2026success204.2msPartial
Apr 16, 2026success447.9msPartial
Apr 16, 2026success251msPartial
Apr 16, 2026success380.9msPartial
Apr 16, 2026success265.2msPartial
Apr 16, 2026success525.7msPartial
Source Registries
smithery
First Seen
Apr 12, 2026
Last Seen
Apr 18, 2026
Last Probed
Apr 16, 2026