Video call network check with Kilobat

Calls fail differently from downloads. A connection with plenty of Mbps can still make calls stutter when latency jumps under load (bufferbloat), when packets are lost, or when something else is uploading. This skill checks those, in order of cost.

Setup

Use the Kilobat MCP tools if connected, otherwise the kilobat CLI (brew install seifip/kilobat/kilobat, macOS 14+; ask before installing). Commands here need CLI 0.2 or later (kilobat --version); if one is unknown, suggest brew upgrade kilobat. Steps 1–2 only read. The speed test in step 3 uses data and needs a yes; blocking in step 4 changes settings and needs a yes. The kilobat skill lists the rules.

If a call is in progress, skip the speed test: it will disrupt the call.

1. Check latency, jitter and loss

Run kilobat diagnose --json. Kilobat's call thresholds: