This is pet project. I'm looking into the macOS XPC service. Currently the application shows the temperature of the processor in the status bar. I took smc.c from https://github.com/lavoiesl/osx-cpu-temp/blob/master/smc.c .
Add in AlPanel Info.plist:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleIdentifier</key>
<string>XPCService</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>SMAuthorizedClients</key>
<array>
<string>identifier "al.AlPanel" and anchor apple generic and certificate leaf[subject.CN] = "Mac Developer: example@icloud.com (AAAAAAAA)"</string>
</array>
<key>XPCService</key>
<dict>
<key>ServiceType</key>
<string>Application</string>
</dict>
</dict>
</plist>Add in XPCService Info.plist:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleIdentifier</key>
<string>XPCService</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>SMAuthorizedClients</key>
<array>
<string>identifier "al.AlPanel" and anchor apple generic and certificate leaf[subject.CN] = "Mac Developer: example@icloud.com (AAAAAAAA)"</string>
</array>
<key>XPCService</key>
<dict>
<key>ServiceType</key>
<string>Application</string>
</dict>
</dict>
</plist>Mac Developer: example@icloud.com (AAAAAAAA) - change to your settings