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

Ace Memory

Persistent memory for AI agents. Semantic search, memory graph, W3C DID identity.

57/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance17/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
285.1ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 406 in 355ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 285ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Apr 14, 2026success355.6msPartial
Apr 14, 2026success164msPartial
Apr 14, 2026success285.1msPartial
Apr 14, 2026success260.3msPartial
Source Registries
mcp-registry
First Seen
Apr 14, 2026
Last Seen
Apr 14, 2026
Last Probed
Apr 14, 2026
Ace Memory — Chiark Agent Quality Index