diff --git a/code/__DEFINES/keybinding.dm b/code/__DEFINES/keybinding.dm
new file mode 100644
index 00000000000..3259514bc22
--- /dev/null
+++ b/code/__DEFINES/keybinding.dm
@@ -0,0 +1,80 @@
+//Signals
+
+//General
+#define COMSIG_KB_ACTIVATED (1<<0)
+#define COMSIG_KB_EMOTE "keybinding_emote_down"
+
+//Admin
+#define COMSIG_KB_ADMIN_ASAY_DOWN "keybinding_admin_asay_down"
+#define COMSIG_KB_ADMIN_DSAY_DOWN "keybinding_admin_dsay_down"
+#define COMSIG_KB_ADMIN_TOGGLEBUILDMODE_DOWN "keybinding_admin_togglebuildmode_down"
+#define COMSIG_KB_ADMIN_AGHOST_DOWN "keybinding_admin_aghost_down"
+#define COMSIG_KB_ADMIN_PLAYERPANELNEW_DOWN "keybinding_admin_playerpanelnew_down"
+#define COMSIG_KB_ADMIN_STEALTHMODETOGGLE_DOWN "keybinding_admin_stealthmodetoggle_down"
+#define COMSIG_KB_ADMIN_INVISIMINTOGGLE_DOWN "keybinding_admin_invisimintoggle_down"
+#define COMSIG_KB_ADMIN_DEADMIN_DOWN "keybinding_admin_deadmin_down"
+#define COMSIG_KB_ADMIN_READMIN_DOWN "keybinding_admin_readmin_down"
+
+//Carbon
+#define COMSIG_KB_CARBON_HOLDRUNMOVEINTENT_DOWN "keybinding_carbon_holdrunmoveintent_down"
+#define COMSIG_KB_CARBON_HOLDRUNMOVEINTENT_UP "keybinding_carbon_holdrunmoveintent_up"
+#define COMSIG_KB_CARBON_TOGGLETHROWMODE_DOWN "keybinding_carbon_togglethrowmode_down"
+#define COMSIG_KB_CARBON_SELECTHELPINTENT_DOWN "keybinding_carbon_selecthelpintent_down"
+#define COMSIG_KB_CARBON_SELECTDISARMINTENT_DOWN "keybinding_carbon_selectdisarmintent_down"
+#define COMSIG_KB_CARBON_SELECTGRABINTENT_DOWN "keybinding_carbon_selectgrabintent_down"
+#define COMSIG_KB_CARBON_SELECTHARMINTENT_DOWN "keybinding_carbon_selectharmintent_down"
+#define COMSIG_KB_CARBON_GIVEITEM_DOWN "keybinding_carbon_giveitem_down"
+
+//Client
+#define COMSIG_KB_CLIENT_GETHELP_DOWN "keybinding_client_gethelp_down"
+#define COMSIG_KB_CLIENT_SCREENSHOT_DOWN "keybinding_client_screenshot_down"
+#define COMSIG_KB_CLIENT_MINIMALHUD_DOWN "keybinding_client_minimalhud_down"
+#define COMSIG_KB_CLIENT_OOC_DOWN "keybinding_client_ooc_down"
+#define COMSIG_KB_CLIENT_LOOC_DOWN "keybinding_client_looc_down"
+
+//Human
+#define COMSIG_KB_HUMAN_QUICKEQUIP_DOWN "keybinding_human_quickequip_down"
+#define COMSIG_KB_HUMAN_QUICKEQUIPBELT_DOWN "keybinding_human_quickequipbelt_down"
+#define COMSIG_KB_HUMAN_BAGEQUIP_DOWN "keybinding_human_bagequip_down"
+#define COMSIG_KB_HUMAN_EQUIPMENTSWAP_DOWN "keybinding_human_equipmentswap_down"
+#define COMSIG_KB_HUMAN_SUITEQUIP_DOWN "keybinding_human_suitequip_down"
+
+//Living
+#define COMSIG_KB_LIVING_RESIST_DOWN "keybinding_living_resist_down"
+#define COMSIG_KB_LIVING_LOOKUP_DOWN "keybinding_living_lookup_down"
+#define COMSIG_KB_LIVING_LOOKDOWN_DOWN "keybinding_living_lookdown_down"
+
+//Mob
+#define COMSIG_KB_MOB_FACENORTH_DOWN "keybinding_mob_facenorth_down"
+#define COMSIG_KB_MOB_FACEEAST_DOWN "keybinding_mob_faceeast_down"
+#define COMSIG_KB_MOB_FACESOUTH_DOWN "keybinding_mob_facesouth_down"
+#define COMSIG_KB_MOB_FACEWEST_DOWN "keybinding_mob_facewest_down"
+#define COMSIG_KB_MOB_STOPPULLING_DOWN "keybinding_mob_stoppulling_down"
+#define COMSIG_KB_MOB_CYCLEINTENTRIGHT_DOWN "keybinding_mob_cycleintentright_down"
+#define COMSIG_KB_MOB_CYCLEINTENTLEFT_DOWN "keybinding_mob_cycleintentleft_down"
+#define COMSIG_KB_MOB_SWAPHANDS_DOWN "keybinding_mob_swaphands_down"
+#define COMSIG_KB_MOB_ACTIVATEINHAND_DOWN "keybinding_mob_activateinhand_down"
+#define COMSIG_KB_MOB_DROPITEM_DOWN "keybinding_mob_dropitem_down"
+#define COMSIG_KB_MOB_TOGGLEMOVEINTENT_DOWN "keybinding_mob_togglemoveintent_down"
+#define COMSIG_KB_MOB_TOGGLEMOVEINTENTALT_DOWN "keybinding_mob_togglemoveintentalt_down"
+#define COMSIG_KB_MOB_TARGETCYCLEHEAD_DOWN "keybinding_mob_targetcyclehead_down"
+#define COMSIG_KB_MOB_TARGETRIGHTARM_DOWN "keybinding_mob_targetrightarm_down"
+#define COMSIG_KB_MOB_TARGETBODYCHEST_DOWN "keybinding_mob_targetbodychest_down"
+#define COMSIG_KB_MOB_TARGETLEFTARM_DOWN "keybinding_mob_targetleftarm_down"
+#define COMSIG_KB_MOB_TARGETRIGHTLEG_DOWN "keybinding_mob_targetrightleg_down"
+#define COMSIG_KB_MOB_TARGETBODYGROIN_DOWN "keybinding_mob_targetbodygroin_down"
+#define COMSIG_KB_MOB_TARGETLEFTLEG_DOWN "keybinding_mob_targetleftleg_down"
+
+//Robot
+#define COMSIG_KB_SILICON_TOGGLEMODULEONE_DOWN "keybinding_silicon_togglemoduleone_down"
+#define COMSIG_KB_SILICON_TOGGLEMODULETWO_DOWN "keybinding_silicon_togglemoduletwo_down"
+#define COMSIG_KB_SILICON_TOGGLEMODULETHREE_DOWN "keybinding_silicon_togglemodulethree_down"
+#define COMSIG_KB_SILICON_CYCLEINTENT_DOWN "keybinding_silicon_cycleintent_down"
+#define COMSIG_KB_SILICON_UNEQUIPMODULE_DOWN "keybinding_silicon_unequipmodule_down"
+
+//Movement
+#define COMSIG_KB_MOVEMENT_NORTH_DOWN "keybinding_movement_north_down"
+#define COMSIG_KB_MOVEMENT_SOUTH_DOWN "keybinding_movement_south_down"
+#define COMSIG_KB_MOVEMENT_WEST_DOWN "keybinding_movement_west_down"
+#define COMSIG_KB_MOVEMENT_EAST_DOWN "keybinding_movement_east_down"
+
diff --git a/code/_globalvars/lists/keybindings.dm b/code/_globalvars/lists/keybindings.dm
index f760a88fbeb..8e4ce26f37b 100644
--- a/code/_globalvars/lists/keybindings.dm
+++ b/code/_globalvars/lists/keybindings.dm
@@ -2,7 +2,7 @@
 /proc/init_keybindings()
 	for(var/KB in subtypesof(/datum/keybinding))
 		var/datum/keybinding/keybinding = KB
-		if(!initial(keybinding.hotkey_keys))
+		if(!initial(keybinding.keybind_signal) || !initial(keybinding.name))
 			continue
 		add_keybinding(new keybinding)
 	init_emote_keybinds()
@@ -10,12 +10,12 @@
 /// Adds an instanced keybinding to the global tracker
 /proc/add_keybinding(datum/keybinding/instance)
 	GLOB.keybindings_by_name[instance.name] = instance
-	
+
 	// Classic
 	if(LAZYLEN(instance.classic_keys))
 		for(var/bound_key in instance.classic_keys)
 			LAZYADD(GLOB.classic_keybinding_list_by_key[bound_key], list(instance.name))
-	
+
 	// Hotkey
 	if(LAZYLEN(instance.hotkey_keys))
 		for(var/bound_key in instance.hotkey_keys)
diff --git a/code/datums/keybinding/_keybindings.dm b/code/datums/keybinding/_keybindings.dm
index 1d68e2d0373..dfcf492c180 100644
--- a/code/datums/keybinding/_keybindings.dm
+++ b/code/datums/keybinding/_keybindings.dm
@@ -9,13 +9,16 @@
 	var/keybind_signal
 
 /datum/keybinding/New()
+	if(!keybind_signal)
+		CRASH("Keybind [src] called unredefined down() without a keybind_signal.")
 
 	// Default keys to the master "hotkey_keys"
 	if(LAZYLEN(hotkey_keys) && !LAZYLEN(classic_keys))
 		classic_keys = hotkey_keys.Copy()
 
 /datum/keybinding/proc/down(client/user)
-    return FALSE
+	SHOULD_CALL_PARENT(TRUE)
+	return SEND_SIGNAL(user.mob, keybind_signal) & COMSIG_KB_ACTIVATED
 
 /datum/keybinding/proc/up(client/user)
 	return FALSE
diff --git a/code/datums/keybinding/admin.dm b/code/datums/keybinding/admin.dm
index b63221e97a4..10d9722eaa8 100644
--- a/code/datums/keybinding/admin.dm
+++ b/code/datums/keybinding/admin.dm
@@ -10,8 +10,12 @@
 	name = "admin_say"
 	full_name = "Admin say"
 	description = "Talk with other admins."
+	keybind_signal = COMSIG_KB_ADMIN_ASAY_DOWN
 
 /datum/keybinding/admin/admin_say/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.get_admin_say()
 	return TRUE
 
@@ -20,8 +24,12 @@
 	name = "admin_ghost"
 	full_name = "Aghost"
 	description = "Go ghost"
+	keybind_signal = COMSIG_KB_ADMIN_AGHOST_DOWN
 
 /datum/keybinding/admin/admin_ghost/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.admin_ghost()
 	return TRUE
 
@@ -30,8 +38,12 @@
 	name = "player_panel_new"
 	full_name = "Player Panel New"
 	description = "Opens up the new player panel"
+	keybind_signal = COMSIG_KB_ADMIN_PLAYERPANELNEW_DOWN
 
 /datum/keybinding/admin/player_panel_new/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.holder.player_panel_new()
 	return TRUE
 
@@ -40,8 +52,12 @@
 	name = "toggle_buildmode_self"
 	full_name = "Toggle Buildmode Self"
 	description = "Toggles buildmode"
+	keybind_signal = COMSIG_KB_ADMIN_TOGGLEBUILDMODE_DOWN
 
 /datum/keybinding/admin/toggle_buildmode_self/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.togglebuildmodeself()
 	return TRUE
 
@@ -50,8 +66,12 @@
 	name = "stealth_mode"
 	full_name = "Stealth mode"
 	description = "Enters stealth mode"
+	keybind_signal = COMSIG_KB_ADMIN_STEALTHMODETOGGLE_DOWN
 
 /datum/keybinding/admin/stealthmode/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.stealth()
 	return TRUE
 
@@ -60,8 +80,12 @@
 	name = "invisimin"
 	full_name = "Admin invisibility"
 	description = "Toggles ghost-like invisibility (Don't abuse this)"
+	keybind_signal = COMSIG_KB_ADMIN_INVISIMINTOGGLE_DOWN
 
 /datum/keybinding/admin/invisimin/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.invisimin()
 	return TRUE
 
@@ -70,8 +94,12 @@
 	name = "dsay"
 	full_name = "deadsay"
 	description = "Allows you to send a message to dead chat"
+	keybind_signal = COMSIG_KB_ADMIN_DSAY_DOWN
 
 /datum/keybinding/admin/deadsay/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.get_dead_say()
 	return TRUE
 
@@ -80,8 +108,12 @@
 	name = "deadmin"
 	full_name = "Deadmin"
 	description = "Shed your admin powers"
+	keybind_signal = COMSIG_KB_ADMIN_DEADMIN_DOWN
 
 /datum/keybinding/admin/deadmin/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.deadmin()
 	return TRUE
 
@@ -90,7 +122,11 @@
 	name = "readmin"
 	full_name = "Readmin"
 	description = "Regain your admin powers"
+	keybind_signal = COMSIG_KB_ADMIN_READMIN_DOWN
 
 /datum/keybinding/admin/readmin/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.readmin()
 	return TRUE
diff --git a/code/datums/keybinding/carbon.dm b/code/datums/keybinding/carbon.dm
index 2d9909760dc..abc3734aa1c 100644
--- a/code/datums/keybinding/carbon.dm
+++ b/code/datums/keybinding/carbon.dm
@@ -11,8 +11,12 @@
 	full_name = "Toggle throw mode"
 	description = "Toggle throwing the current item or not."
 	category = CATEGORY_CARBON
+	keybind_signal = COMSIG_KB_CARBON_TOGGLETHROWMODE_DOWN
 
 /datum/keybinding/carbon/toggle_throw_mode/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/carbon/C = user.mob
 	C.toggle_throw_mode()
 	return TRUE
@@ -24,8 +28,12 @@
 	full_name = "Select help intent"
 	description = ""
 	category = CATEGORY_CARBON
+	keybind_signal = COMSIG_KB_CARBON_SELECTHELPINTENT_DOWN
 
 /datum/keybinding/carbon/select_help_intent/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.mob?.a_intent_change(INTENT_HELP)
 	return TRUE
 
@@ -36,8 +44,12 @@
 	full_name = "Select disarm intent"
 	description = ""
 	category = CATEGORY_CARBON
+	keybind_signal = COMSIG_KB_CARBON_SELECTDISARMINTENT_DOWN
 
 /datum/keybinding/carbon/select_disarm_intent/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.mob?.a_intent_change(INTENT_DISARM)
 	return TRUE
 
@@ -48,8 +60,12 @@
 	full_name = "Select grab intent"
 	description = ""
 	category = CATEGORY_CARBON
+	keybind_signal = COMSIG_KB_CARBON_SELECTGRABINTENT_DOWN
 
 /datum/keybinding/carbon/select_grab_intent/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.mob?.a_intent_change(INTENT_GRAB)
 	return TRUE
 
@@ -60,8 +76,12 @@
 	full_name = "Select harm intent"
 	description = ""
 	category = CATEGORY_CARBON
+	keybind_signal = COMSIG_KB_CARBON_SELECTHARMINTENT_DOWN
 
 /datum/keybinding/carbon/select_harm_intent/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.mob?.a_intent_change(INTENT_HARM)
 	return TRUE
 
@@ -70,8 +90,12 @@
 	name = "Give_Item"
 	full_name = "Give item"
 	description = "Give the item you're currently holding"
+	keybind_signal = COMSIG_KB_CARBON_GIVEITEM_DOWN
 
 /datum/keybinding/carbon/give/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/carbon/C = user.mob
 	C.give()
 	return TRUE
diff --git a/code/datums/keybinding/client.dm b/code/datums/keybinding/client.dm
index b2ae7609cb5..e4b940c7f72 100644
--- a/code/datums/keybinding/client.dm
+++ b/code/datums/keybinding/client.dm
@@ -8,8 +8,12 @@
 	name = "admin_help"
 	full_name = "Admin Help"
 	description = "Ask an admin for help."
+	keybind_signal = COMSIG_KB_CLIENT_GETHELP_DOWN
 
 /datum/keybinding/client/admin_help/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.get_adminhelp()
 	return TRUE
 
@@ -19,8 +23,12 @@
 	name = "screenshot"
 	full_name = "Screenshot"
 	description = "Take a screenshot."
+	keybind_signal = COMSIG_KB_CLIENT_SCREENSHOT_DOWN
 
 /datum/keybinding/client/screenshot/down(client/user)
+	. = ..()
+	if(.)
+		return
 	winset(user, null, "command=.screenshot [!user.keys_held["shift"] ? "auto" : ""]")
 	return TRUE
 
@@ -29,7 +37,11 @@
 	name = "minimal_hud"
 	full_name = "Minimal HUD"
 	description = "Hide most HUD features"
+	keybind_signal = COMSIG_KB_CLIENT_MINIMALHUD_DOWN
 
 /datum/keybinding/client/minimal_hud/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.mob.button_pressed_F12()
-	return TRUE  
+	return TRUE
diff --git a/code/datums/keybinding/emote.dm b/code/datums/keybinding/emote.dm
index 6099826819c..5d6e7895ed9 100644
--- a/code/datums/keybinding/emote.dm
+++ b/code/datums/keybinding/emote.dm
@@ -1,6 +1,7 @@
 /datum/keybinding/emote
 	category = CATEGORY_EMOTE
 	weight = WEIGHT_EMOTE
+	keybind_signal = COMSIG_KB_EMOTE
 	var/emote_key
 
 /datum/keybinding/emote/proc/link_to_emote(datum/emote/faketype)
@@ -12,4 +13,6 @@
 
 /datum/keybinding/emote/down(client/user)
 	. = ..()
+	if(.)
+		return
 	return user.mob.emote(emote_key, intentional=TRUE)
diff --git a/code/datums/keybinding/human.dm b/code/datums/keybinding/human.dm
index 60ebff6afb6..41b698059bb 100644
--- a/code/datums/keybinding/human.dm
+++ b/code/datums/keybinding/human.dm
@@ -10,8 +10,12 @@
 	name = "quick_equip"
 	full_name = "Quick equip"
 	description = "Quickly puts an item in the best slot available"
+	keybind_signal = COMSIG_KB_HUMAN_QUICKEQUIP_DOWN
 
 /datum/keybinding/human/quick_equip/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/carbon/human/H = user.mob
 	H.quick_equip()
 	return TRUE
@@ -25,8 +29,12 @@
 	var/slot_type = ITEM_SLOT_BELT
 	///what we should call slot_type in messages (including failure messages)
 	var/slot_item_name = "belt"
+	keybind_signal = COMSIG_KB_HUMAN_QUICKEQUIPBELT_DOWN
 
 /datum/keybinding/human/quick_equip_belt/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/carbon/human/H = user.mob
 	H.smart_equip_targeted(slot_type, slot_item_name)
 	return TRUE
@@ -38,6 +46,7 @@
 	description = "Put held thing in backpack or take out most recent thing from backpack"
 	slot_type = ITEM_SLOT_BACK
 	slot_item_name = "backpack"
+	keybind_signal = COMSIG_KB_HUMAN_BAGEQUIP_DOWN
 
 /datum/keybinding/human/quick_equip_belt/quick_equip_suit_storage
 	hotkey_keys = list("ShiftQ")
@@ -46,14 +55,19 @@
 	description = "Put held thing in suit storage slot item or take out most recent thing from suit storage slot item"
 	slot_type = ITEM_SLOT_SUITSTORE
 	slot_item_name = "suit storage slot item"
+	keybind_signal = COMSIG_KB_HUMAN_SUITEQUIP_DOWN
 
 /datum/keybinding/human/equipment_swap
 	hotkey_keys = list("V")
 	name = "equipment_swap"
 	full_name = "Equipment Swap"
 	description = "Equip the currently held item by swapping it out with the already equipped item after a small delay"
+	keybind_signal = COMSIG_KB_HUMAN_EQUIPMENTSWAP_DOWN
 
 /datum/keybinding/human/equipment_swap/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/carbon/human/H = user.mob
 	H.equipment_swap()
 	return TRUE
diff --git a/code/datums/keybinding/living.dm b/code/datums/keybinding/living.dm
index d38f9c72c91..58d55ddc5cd 100644
--- a/code/datums/keybinding/living.dm
+++ b/code/datums/keybinding/living.dm
@@ -10,8 +10,12 @@
 	name = "resist"
 	full_name = "Resist"
 	description = "Break free of your current state. Handcuffed? on fire? Resist!"
+	keybind_signal = COMSIG_KB_LIVING_RESIST_DOWN
 
 /datum/keybinding/living/resist/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/L = user.mob
 	L.resist()
 	return TRUE
@@ -21,8 +25,12 @@
 	name = "look up"
 	full_name = "Look Up"
 	description = "Look up at the next z-level.  Only works if directly below open space."
+	keybind_signal = COMSIG_KB_LIVING_LOOKUP_DOWN
 
 /datum/keybinding/living/look_up/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/L = user.mob
 	L.look_up()
 	return TRUE
@@ -37,8 +45,12 @@
 	name = "look down"
 	full_name = "Look Down"
 	description = "Look down at the previous z-level.  Only works if directly above open space."
+	keybind_signal = COMSIG_KB_LIVING_LOOKDOWN_DOWN
 
 /datum/keybinding/living/look_down/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/L = user.mob
 	L.look_down()
 	return TRUE
diff --git a/code/datums/keybinding/mob.dm b/code/datums/keybinding/mob.dm
index f194c7fd2fe..cbb9d9cfe01 100644
--- a/code/datums/keybinding/mob.dm
+++ b/code/datums/keybinding/mob.dm
@@ -8,8 +8,12 @@
 	name = "face_north"
 	full_name = "Face North"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_FACENORTH_DOWN
 
 /datum/keybinding/mob/face_north/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.northface()
 	return TRUE
@@ -20,8 +24,12 @@
 	name = "face_east"
 	full_name = "Face East"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_FACEEAST_DOWN
 
 /datum/keybinding/mob/face_east/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.eastface()
 	return TRUE
@@ -32,8 +40,12 @@
 	name = "face_south"
 	full_name = "Face South"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_FACESOUTH_DOWN
 
 /datum/keybinding/mob/face_south/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.southface()
 	return TRUE
@@ -43,8 +55,12 @@
 	name = "face_west"
 	full_name = "Face West"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_FACEWEST_DOWN
 
 /datum/keybinding/mob/face_west/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.westface()
 	return TRUE
@@ -54,8 +70,12 @@
 	name = "stop_pulling"
 	full_name = "Stop pulling"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_STOPPULLING_DOWN
 
 /datum/keybinding/mob/stop_pulling/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	if(!M.pulling)
 		to_chat(user, "<span class='notice'>You are not pulling anything.</span>")
@@ -68,8 +88,12 @@
 	name = "cycle_intent_right"
 	full_name = "cycle intent right"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_CYCLEINTENTRIGHT_DOWN
 
 /datum/keybinding/mob/cycle_intent_right/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.a_intent_change(INTENT_HOTKEY_RIGHT)
 	return TRUE
@@ -79,8 +103,12 @@
 	name = "cycle_intent_left"
 	full_name = "cycle intent left"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_CYCLEINTENTLEFT_DOWN
 
 /datum/keybinding/mob/cycle_intent_left/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.a_intent_change(INTENT_HOTKEY_LEFT)
 	return TRUE
@@ -90,19 +118,27 @@
 	name = "swap_hands"
 	full_name = "Swap hands"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_SWAPHANDS_DOWN
 
 /datum/keybinding/mob/swap_hands/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.swap_hand()
 	return TRUE
 
 /datum/keybinding/mob/activate_inhand
-	hotkey_keys = list("Z", "Southeast") // PAGEDOWN
+	hotkey_keys = list("Z", "Southeast") // Southeast = PAGEDOWN
 	name = "activate_inhand"
 	full_name = "Activate in-hand"
 	description = "Uses whatever item you have inhand"
+	keybind_signal = COMSIG_KB_MOB_ACTIVATEINHAND_DOWN
 
 /datum/keybinding/mob/activate_inhand/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.mode()
 	return TRUE
@@ -112,8 +148,12 @@
 	name = "drop_item"
 	full_name = "Drop Item"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_DROPITEM_DOWN
 
 /datum/keybinding/mob/drop_item/down(client/user)
+	. = ..()
+	if(.)
+		return
 	if(iscyborg(user.mob)) //cyborgs can't drop items
 		return FALSE
 	var/mob/M = user.mob
@@ -129,8 +169,12 @@
 	name = "toggle_move_intent"
 	full_name = "Hold to toggle move intent"
 	description = "Held down to cycle to the other move intent, release to cycle back"
+	keybind_signal = COMSIG_KB_MOB_TOGGLEMOVEINTENT_DOWN
 
 /datum/keybinding/mob/toggle_move_intent/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.toggle_move_intent()
 	return TRUE
@@ -145,8 +189,12 @@
 	name = "toggle_move_intent_alt"
 	full_name = "press to cycle move intent"
 	description = "Pressing this cycle to the opposite move intent, does not cycle back"
+	keybind_signal = COMSIG_KB_MOB_TOGGLEMOVEINTENTALT_DOWN
 
 /datum/keybinding/mob/toggle_move_intent_alternative/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/M = user.mob
 	M.toggle_move_intent()
 	return TRUE
@@ -156,8 +204,12 @@
 	name = "target_head_cycle"
 	full_name = "Target: Cycle head"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_TARGETCYCLEHEAD_DOWN
 
 /datum/keybinding/mob/target_head_cycle/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.body_toggle_head()
 	return TRUE
 
@@ -166,8 +218,12 @@
 	name = "target_r_arm"
 	full_name = "Target: right arm"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_TARGETRIGHTARM_DOWN
 
 /datum/keybinding/mob/target_r_arm/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.body_r_arm()
 	return TRUE
 
@@ -176,8 +232,12 @@
 	name = "target_body_chest"
 	full_name = "Target: Body"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_TARGETBODYCHEST_DOWN
 
 /datum/keybinding/mob/target_body_chest/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.body_chest()
 	return TRUE
 
@@ -186,8 +246,12 @@
 	name = "target_left_arm"
 	full_name = "Target: left arm"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_TARGETLEFTARM_DOWN
 
 /datum/keybinding/mob/target_left_arm/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.body_l_arm()
 	return TRUE
 
@@ -196,8 +260,12 @@
 	name = "target_right_leg"
 	full_name = "Target: Right leg"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_TARGETRIGHTLEG_DOWN
 
 /datum/keybinding/mob/target_right_leg/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.body_r_leg()
 	return TRUE
 
@@ -206,8 +274,12 @@
 	name = "target_body_groin"
 	full_name = "Target: Groin"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_TARGETBODYGROIN_DOWN
 
 /datum/keybinding/mob/target_body_groin/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.body_groin()
 	return TRUE
 
@@ -216,7 +288,11 @@
 	name = "target_left_leg"
 	full_name = "Target: left leg"
 	description = ""
+	keybind_signal = COMSIG_KB_MOB_TARGETLEFTLEG_DOWN
 
 /datum/keybinding/mob/target_left_leg/down(client/user)
+	. = ..()
+	if(.)
+		return
 	user.body_l_leg()
 	return TRUE
diff --git a/code/datums/keybinding/movement.dm b/code/datums/keybinding/movement.dm
index ca199b5eb4d..02d601e14fa 100644
--- a/code/datums/keybinding/movement.dm
+++ b/code/datums/keybinding/movement.dm
@@ -7,21 +7,25 @@
 	name = "North"
 	full_name = "Move North"
 	description = "Moves your character north"
+	keybind_signal = COMSIG_KB_MOVEMENT_NORTH_DOWN
 
 /datum/keybinding/movement/south
 	hotkey_keys = list("S", "South")
 	name = "South"
 	full_name = "Move South"
 	description = "Moves your character south"
+	keybind_signal = COMSIG_KB_MOVEMENT_SOUTH_DOWN
 
 /datum/keybinding/movement/west
 	hotkey_keys = list("A", "West")
 	name = "West"
 	full_name = "Move West"
 	description = "Moves your character left"
+	keybind_signal = COMSIG_KB_MOVEMENT_WEST_DOWN
 
 /datum/keybinding/movement/east
 	hotkey_keys = list("D", "East")
 	name = "East"
 	full_name = "Move East"
 	description = "Moves your character east"
+	keybind_signal = COMSIG_KB_MOVEMENT_EAST_DOWN
diff --git a/code/datums/keybinding/robot.dm b/code/datums/keybinding/robot.dm
index b9f6ce83eb7..5076a5a1868 100644
--- a/code/datums/keybinding/robot.dm
+++ b/code/datums/keybinding/robot.dm
@@ -10,8 +10,12 @@
 	name = "module_one"
 	full_name = "Toggle module 1"
 	description = "Equips or unequips the first module"
+	keybind_signal = COMSIG_KB_SILICON_TOGGLEMODULEONE_DOWN
 
 /datum/keybinding/robot/moduleone/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/silicon/robot/R = user.mob
 	R.toggle_module(1)
 	return TRUE
@@ -21,8 +25,12 @@
 	name = "module_two"
 	full_name = "Toggle module 2"
 	description = "Equips or unequips the second module"
+	keybind_signal = COMSIG_KB_SILICON_TOGGLEMODULETWO_DOWN
 
 /datum/keybinding/robot/moduletwo/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/silicon/robot/R = user.mob
 	R.toggle_module(2)
 	return TRUE
@@ -32,8 +40,12 @@
 	name = "module_three"
 	full_name = "Toggle module 3"
 	description = "Equips or unequips the third module"
+	keybind_signal = COMSIG_KB_SILICON_TOGGLEMODULETHREE_DOWN
 
 /datum/keybinding/robot/modulethree/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/silicon/robot/R = user.mob
 	R.toggle_module(3)
 	return TRUE
@@ -43,8 +55,12 @@
 	name = "cycle_intent"
 	full_name = "Cycle intent left"
 	description = "Cycles the intent left"
+	keybind_signal = COMSIG_KB_SILICON_CYCLEINTENT_DOWN
 
 /datum/keybinding/robot/intent_cycle/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/silicon/robot/R = user.mob
 	R.a_intent_change(INTENT_HOTKEY_LEFT)
 	return TRUE
@@ -54,8 +70,12 @@
 	name = "unequip_module"
 	full_name = "Unequip module"
 	description = "Unequips the active module"
+	keybind_signal = COMSIG_KB_SILICON_UNEQUIPMODULE_DOWN
 
 /datum/keybinding/robot/unequip_module/down(client/user)
+	. = ..()
+	if(.)
+		return
 	var/mob/living/silicon/robot/R = user.mob
 	R.uneq_active()
 	return TRUE
diff --git a/code/modules/unit_tests/_unit_tests.dm b/code/modules/unit_tests/_unit_tests.dm
index 5d7994f737c..8526225df1a 100644
--- a/code/modules/unit_tests/_unit_tests.dm
+++ b/code/modules/unit_tests/_unit_tests.dm
@@ -15,6 +15,7 @@
 #include "card_mismatch.dm"
 #include "chain_pull_through_space.dm"
 #include "component_tests.dm"
+#include "keybinding_init.dm"
 #include "outfit_sanity.dm"
 #include "plantgrowth_tests.dm"
 #include "reagent_id_typos.dm"
diff --git a/code/modules/unit_tests/keybinding_init.dm b/code/modules/unit_tests/keybinding_init.dm
new file mode 100644
index 00000000000..2bd2fdee1e2
--- /dev/null
+++ b/code/modules/unit_tests/keybinding_init.dm
@@ -0,0 +1,6 @@
+/datum/unit_test/keybinding_init/Run()
+	for(var/i in subtypesof(/datum/keybinding))
+		var/datum/keybinding/KB = i
+		if(initial(KB.keybind_signal) || !initial(KB.name))
+			continue
+		Fail("[KB.name] does not have a keybind signal defined.")
diff --git a/tgstation.dme b/tgstation.dme
index f416b29f1cf..678ef083b27 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -56,6 +56,7 @@
 #include "code\__DEFINES\inventory.dm"
 #include "code\__DEFINES\is_helpers.dm"
 #include "code\__DEFINES\jobs.dm"
+#include "code\__DEFINES\keybinding.dm"
 #include "code\__DEFINES\language.dm"
 #include "code\__DEFINES\layers.dm"
 #include "code\__DEFINES\lighting.dm"