diff --git a/Actions.xcodeproj/project.pbxproj b/Actions.xcodeproj/project.pbxproj
index d23f301..bd6554a 100644
--- a/Actions.xcodeproj/project.pbxproj
+++ b/Actions.xcodeproj/project.pbxproj
@@ -224,6 +224,8 @@
 		E3D0656229A53EC60059A16E /* IsWebServerReachable.swift in Sources */ = {isa = PBXBuildFile; fileRef = E31DE7F528D5E50400DE79EF /* IsWebServerReachable.swift */; };
 		E3D3A30C2A5BECED00F45541 /* GetDeviceDetailsExtended.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3D3A30B2A5BECED00F45541 /* GetDeviceDetailsExtended.swift */; };
 		E3D3A30D2A5BECED00F45541 /* GetDeviceDetailsExtended.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3D3A30B2A5BECED00F45541 /* GetDeviceDetailsExtended.swift */; };
+		E3D53BF82A9385F5007A1340 /* GetModifierKeyState.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3D53BF72A9385F5007A1340 /* GetModifierKeyState.swift */; };
+		E3D53BF92A9385F5007A1340 /* GetModifierKeyState.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3D53BF72A9385F5007A1340 /* GetModifierKeyState.swift */; };
 		E3DB884D28E6E3AD00FEE8D6 /* HapticFeedback.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3DB884B28E6E3AD00FEE8D6 /* HapticFeedback.swift */; };
 		E3DB885028E6EE7B00FEE8D6 /* HideShortcutsApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3DB884F28E6EE7B00FEE8D6 /* HideShortcutsApp.swift */; };
 		E3DB885228E6EFBB00FEE8D6 /* ScanDocuments.swift in Sources */ = {isa = PBXBuildFile; fileRef = E3DB885128E6EFBB00FEE8D6 /* ScanDocuments.swift */; };
@@ -368,6 +370,7 @@
 		E3D514C528EEA6B9003F7C2E /* PlayAlertSound.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PlayAlertSound.swift; sourceTree = "<group>"; };
 		E3D514C728EEA8F8003F7C2E /* FlashScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FlashScreen.swift; sourceTree = "<group>"; };
 		E3D514C928EEAAEC003F7C2E /* CalculateWithSoulver.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CalculateWithSoulver.swift; sourceTree = "<group>"; };
+		E3D53BF72A9385F5007A1340 /* GetModifierKeyState.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GetModifierKeyState.swift; sourceTree = "<group>"; };
 		E3DB884B28E6E3AD00FEE8D6 /* HapticFeedback.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HapticFeedback.swift; sourceTree = "<group>"; };
 		E3DB884F28E6EE7B00FEE8D6 /* HideShortcutsApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HideShortcutsApp.swift; sourceTree = "<group>"; };
 		E3DB885128E6EFBB00FEE8D6 /* ScanDocuments.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScanDocuments.swift; sourceTree = "<group>"; };
@@ -534,6 +537,7 @@
 				E3EC2DD928D246BC00A88E25 /* GetFilePath.swift */,
 				E31748A0291589B600F6319E /* GetHighResolutionTimestamp.swift */,
 				E3B1C3C328F5D68D009BE0B7 /* GetIndexOfListItem.swift */,
+				E3D53BF72A9385F5007A1340 /* GetModifierKeyState.swift */,
 				E3C33C9928D35F3D00386C59 /* GetMusicPlaylists.swift */,
 				E31DE80728D61FE800DE79EF /* GetQueryItemsFromURL.swift */,
 				E31DE80B28D62ACC00DE79EF /* GetQueryItemsFromURLAsDictionary.swift */,
@@ -827,6 +831,7 @@
 				E31749482916A20C00F6319E /* GetQueryItemsFromURL.swift in Sources */,
 				E31749162916A20C00F6319E /* SendFeedback.swift in Sources */,
 				E365C11B2A4C683200A902D4 /* WaitMilliseconds.swift in Sources */,
+				E3D53BF82A9385F5007A1340 /* GetModifierKeyState.swift in Sources */,
 				E317490A2916A20C00F6319E /* AddToList.swift in Sources */,
 				E317491A2916A20C00F6319E /* IsConnectedToVPN.swift in Sources */,
 				E31749402916A20C00F6319E /* CreateURL.swift in Sources */,
@@ -919,6 +924,7 @@
 				E31749B82916A64100F6319E /* ConvertDateToUnixTime.swift in Sources */,
 				E317497B2916A64100F6319E /* GetRandomColor.swift in Sources */,
 				E31749B32916A64100F6319E /* RemoveDuplicateLines.swift in Sources */,
+				E3D53BF92A9385F5007A1340 /* GetModifierKeyState.swift in Sources */,
 				E365C11C2A4C683200A902D4 /* WaitMilliseconds.swift in Sources */,
 				E31749722916A64100F6319E /* RemoveEmptyLines.swift in Sources */,
 				E317498F2916A64100F6319E /* ConvertUnixTimeToDate.swift in Sources */,
diff --git a/Intents Extension/Actions/GetModifierKeyState.swift b/Intents Extension/Actions/GetModifierKeyState.swift
new file mode 100644
index 0000000..79d3097
--- /dev/null
+++ b/Intents Extension/Actions/GetModifierKeyState.swift	
@@ -0,0 +1,92 @@
+import AppIntents
+import SwiftUI
+
+@available(iOS, unavailable)
+struct GetModifierKeyState: AppIntent {
+	static let title: LocalizedStringResource = "Get Modifier Key State"
+
+	static let description = IntentDescription(
+"""
+Returns which modifier keys are currently pressed.
+
+This can be useful to have alternative behavior when, for example, the user presses the Option key.
+
+Supported modifier keys:
+- Shift
+- Control
+- Option
+- Command
+- Function
+""",
+		categoryName: "Device",
+		searchKeywords: [
+			"keyboard",
+			"shortcut",
+			"hotkey"
+		]
+	)
+
+	static var parameterSummary: some ParameterSummary {
+		Summary("Get state of modifier keys")
+	}
+
+	func perform() async throws -> some IntentResult & ReturnsValue<ModifierKeyState_AppEntity> {
+		.result(value: .init())
+	}
+}
+
+// Note: It should be possible to support iOS, but I don't have a physical keyboard to test with (doesn't work in the simulator), so I'm leaving it out for now.
+// `GCKeyboard.coalesced?.keyboardInput?.button(forKeyCode: .leftShift)?.isPressed`s
+
+struct ModifierKeyState_AppEntity: TransientAppEntity {
+	static let typeDisplayRepresentation = TypeDisplayRepresentation(name: "Modifier Key State")
+
+	@Property(title: "Shift")
+	var shift: Bool
+
+	@Property(title: "Control")
+	var control: Bool
+
+	@Property(title: "Option")
+	var option: Bool
+
+	@Property(title: "Command")
+	var command: Bool
+
+	@Property(title: "Function (Fn)")
+	var function: Bool
+
+	var displayRepresentation: DisplayRepresentation {
+		.init(
+			title: "Modifier keys",
+			subtitle:
+				"""
+				Shift: \("\(shift)")
+				Control: \("\(control)")
+				Option: \("\(option)")
+				Command: \("\(command)")
+				Function: \("\(function)")
+				"""
+		)
+	}
+
+	init() {
+		#if os(macOS)
+		let flags = NSEvent.modifierFlags
+
+		// I am intentionally excluding `.capsLock` because it's confusing since it works differently. It doesn't mean "pressed", it means "on".
+
+		self.shift = flags.contains(.shift)
+		self.control = flags.contains(.control)
+		self.option = flags.contains(.option)
+		self.command = flags.contains(.command)
+		self.function = flags.contains(.function)
+		#else
+		self.shift = false
+		self.control = false
+		self.option = false
+		self.command = false
+		self.function = false
+		#endif
+	}
+}
diff --git a/app-store-description.txt b/app-store-description.txt
index 87f0eb8..99f4be4 100644
--- a/app-store-description.txt
+++ b/app-store-description.txt
@@ -54,6 +54,7 @@ The app is free without ads because I love making apps. Consider leaving a nice
 - Get High-Resolution Timestamp
 - Get Index of List Item
 - Get Map Image of Location
+- Get Modifier Key State
 - Get Music Playlists
 - Get Printers
 - Get Query Item Value from URL
diff --git a/readme.md b/readme.md
index 286fc4f..bf1b254 100644
--- a/readme.md
+++ b/readme.md
@@ -82,6 +82,7 @@ And for high-quality transcription, see my [Aiko](https://sindresorhus.com/aiko)
 - Get High-Resolution Timestamp
 - Get Index of List Item
 - Get Map Image of Location
+- Get Modifier Key State <sup>(macOS-only)</sup>
 - Get Music Playlists <sup>(iOS-only)</sup>
 - Get Printers <sup>(macOS-only)</sup>
 - Get Query Item Value from URL