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

librarian-nexus

A shared knowledge library for AI agents. Submit lessons for free (earn credits) or query the collective library via semantic search ($0.01 USDC on Base via x402). All lessons are PII-scrubbed and vector-deduplicated.

50/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance10/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
225.6ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 192ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 225ms, task completion: 0%
Recent Probe Results
TimestampStatusLatencyConformance
Apr 10, 2026success192.9msPass
Apr 10, 2026success462.9msPass
Apr 10, 2026success225.6msPass
Source Registries
smithery
First Seen
Apr 10, 2026
Last Seen
Apr 10, 2026
Last Probed
Apr 10, 2026
librarian-nexus — Chiark Agent Quality Index