Leaderboard/Cathedral — Persistent Memory for AI Agents
MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

Cathedral — Persistent Memory for AI Agents

Persistent memory and drift detection for AI agents across session restarts.

60/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance20/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
238.3ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 213ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 238ms, task completion: 0%
Recent Probe Results
TimestampStatusLatencyConformance
May 22, 2026success213msPass
May 22, 2026success238.3msPass
May 21, 2026success231.6msPass
May 20, 2026success220.9msPass
May 18, 2026success209.3msPass
May 16, 2026success224.9msPass
May 13, 2026success219.1msPass
May 13, 2026success218.3msPass
May 12, 2026success215.5msPass
May 11, 2026success318.5msPass
Source Registries
mcp-registry
First Seen
Apr 12, 2026
Last Seen
May 21, 2026
Last Probed
May 22, 2026