MCP Shows What the Agent Did. eBPF Shows Why the GPU Stalled.

Short summary

MCP exposes agent tool calls; eBPF exposes kernel events explaining why those calls performed as they did. By layering both—application-level metrics MCP with kernel-level eBPF traces—teams can diagnose hard performance problems like the vLLM latency spike caused by thread preemption invisible to application telemetry alone.

• •MCP shows WHAT agents did (tool calls); eBPF shows WHY systems behaved that way (kernel events)
• •Eight observability platforms shipped MCP servers in 10 days, but none answer performance root causes alone
• •Real example: Grafana metrics MCP + eBPF kernel traces diagnosed vLLM latency as thread preemption causing off-CPU delays

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