Send a number to your menu bar with a link
This guide first appeared on multimeterapp.com . Multimeter is a Mac menu bar app that turns any number into a live meter. Open multimeter://set?key=deploys&value=42 and the Sent Value meter with the key deploys shows 42, right away. If it can open a link, it can update a meter. This works in every version of Multimeter. Add the meter Choose Add Meter… from any meter’s menu and pick Sent Value.…
This guide demonstrates how to create a live meter in the Mac menu bar using the Multimeter app, turning any number into a dynamic display. To set up a Sent Value meter, open a link in the format "multimeter://set?key=deploys&value=42" and the meter will update to show "42". The key can be customized in the meter's menu by selecting "Add Meter..." and choosing "Sent Value".
The key is case-insensitive but must match the "key=" value in the link. To send a value with a link, append the key and value to "multimeter://set?", like "multimeter://set?key=deploys&value=42". You can also set additional parameters such as min, max, label, unit, and formatted text. The meter remembers the last value for each key across restarts.
The guide provides various ways to integrate this feature into Terminal, shell scripts, zshrc files, shortcuts, Raycast scripts, and even Python and Node scripts.
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