kpis_metrics

KPIs and instrumentation references

Track adoption and reliability of Loopback MCP.

Suggested KPIs

• Tools published count and growth (by source: built‑in, loopback, external)
• Tools discovery and invoke success rates
• Median/95th percentile invoke latency
• Catalogue refresh time and errors
• Token scope failures (403 rates)
• UI Tool Picker search latency and selection rate

Instrumentation hooks

• Structured logs: mcp_tools_list_*, mcp_jsonrpc_* with correlation IDs
• OTEL spans (optional): list and invoke durations with status