Retrieve real-time hardware metrics from Apple Silicon Macs using mactop's TOON format. Provides CPU, RAM, GPU, power, thermal, network, disk I/O, and Thunderbolt bus information.
SkillScore82Maintained
Automatic
◆DevOps & SRE pack
Last verified 8/19/2026
What it changes
Passed 16 of 20 test cases with the skill, and 5 of 20 without it.
Without skill23%
With skill82%
Checks it passed that the model alone missed
Executes mactop using --headless mode
Identifies 1 as the default count value
Extracts the gpu_usage line value using awk
and 19 more in the full report
13 fixed5 passed either way4 still failing0 broke
Pass-rate lift
+59 pp
Tokens
-21%
Agent turns
0%
Response time
-65%
Model gemini-3.6-flashMeasured 8/19/2026v118 of 22 cases passed with skill · 20 comparable
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 12
Prompt
What are the default values for sample count and update interval when configuring non-interactive hardware telemetry sampling on Apple Silicon?
What was checked, without and with the skill
Checked
Without skill
With skill
Identifies 1 as the default count value
Missed
Passed
Identifies 1000 milliseconds as the default interval value
Missed
Passed
case-17 · gemini-3.6-flash · 8/19/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md108 linessingle file
Mactop Skill
Execute mactop in headless TOON mode and parse the output for hardware metrics.
Prerequisites
mactop installed: brew install mactop
PATH includes /usr/sbin: Required for sysctl access