diff --git a/libraries/AP_Scripting/applets/Aerobatics/FixedWing/RateBased/sport_aerobatics.lua b/libraries/AP_Scripting/applets/Aerobatics/FixedWing/RateBased/sport_aerobatics.lua
index c0b674e5ae..a6100ad6ba 100644
--- a/libraries/AP_Scripting/applets/Aerobatics/FixedWing/RateBased/sport_aerobatics.lua
+++ b/libraries/AP_Scripting/applets/Aerobatics/FixedWing/RateBased/sport_aerobatics.lua
@@ -6,6 +6,10 @@ cmd = 4: knife edge at any angle, arg1 = roll angle to hold, arg2 = duration
 cmd = 5: pause, holding heading and alt to allow stabilization after a move, arg1 = duration in seconds
 ]]--
 -- luacheck: only 0
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: undefined-global
 
 DO_JUMP = 177
 k_throttle = 70
diff --git a/libraries/AP_Scripting/applets/Aerobatics/FixedWing/plane_aerobatics.lua b/libraries/AP_Scripting/applets/Aerobatics/FixedWing/plane_aerobatics.lua
index 50da4616dd..f98be87a34 100644
--- a/libraries/AP_Scripting/applets/Aerobatics/FixedWing/plane_aerobatics.lua
+++ b/libraries/AP_Scripting/applets/Aerobatics/FixedWing/plane_aerobatics.lua
@@ -5,6 +5,13 @@
    assistance from Paul Riseborough, testing by Henry Wurzburg
 ]]--
 -- luacheck: ignore 212 (Unused argument)
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: undefined-field
+---@diagnostic disable: missing-parameter
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: undefined-global
+---@diagnostic disable: inject-field
 
 -- setup param block for aerobatics, reserving 35 params beginning with AERO_
 local PARAM_TABLE_KEY = 70
diff --git a/libraries/AP_Scripting/applets/BattEstimate.lua b/libraries/AP_Scripting/applets/BattEstimate.lua
index 1221a4b74d..497e89fa53 100644
--- a/libraries/AP_Scripting/applets/BattEstimate.lua
+++ b/libraries/AP_Scripting/applets/BattEstimate.lua
@@ -4,6 +4,9 @@
    See Tools/scripts/battery_fit.py for a tool to calculate the coefficients from a log
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: cast-local-type
+
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 
 local PARAM_TABLE_KEY = 14
diff --git a/libraries/AP_Scripting/applets/Heli_IM_COL_Tune.lua b/libraries/AP_Scripting/applets/Heli_IM_COL_Tune.lua
index 84d2343f0e..63f95da179 100644
--- a/libraries/AP_Scripting/applets/Heli_IM_COL_Tune.lua
+++ b/libraries/AP_Scripting/applets/Heli_IM_COL_Tune.lua
@@ -5,6 +5,7 @@
 -- the value of the 50% point on the curve.  This can be used to set the collective position to aid with hovering 
 -- at the midstick.
 -- luacheck: only 0
+---@diagnostic disable: cast-local-type
 
 -- Tested and working as of 25th Aug 2020 (Copter Dev)
 
diff --git a/libraries/AP_Scripting/applets/Heli_idle_control.lua b/libraries/AP_Scripting/applets/Heli_idle_control.lua
index 16e7de0a00..64e1a71bc8 100644
--- a/libraries/AP_Scripting/applets/Heli_idle_control.lua
+++ b/libraries/AP_Scripting/applets/Heli_idle_control.lua
@@ -1,4 +1,6 @@
 -- idle_control.lua: a closed loop control throttle control while on ground idle (trad-heli)
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: need-check-nil
 
 local PARAM_TABLE_KEY = 73
 local PARAM_TABLE_PREFIX = 'IDLE_'
diff --git a/libraries/AP_Scripting/applets/MissionSelector.lua b/libraries/AP_Scripting/applets/MissionSelector.lua
index b20c01835e..53efa079ff 100644
--- a/libraries/AP_Scripting/applets/MissionSelector.lua
+++ b/libraries/AP_Scripting/applets/MissionSelector.lua
@@ -3,6 +3,8 @@
 -- but also on the disarm to arm transition, it will load (if file exists) a file in the root named
 -- missionH.txt, missionM.txt, or missionH.txt corresponding to the the Mission Reset switch position of High/Mid/Low
 -- luacheck: only 0
+---@diagnostic disable: need-check-nil
+
 
 local mission_loaded = false
 local rc_switch = rc:find_channel_for_option(24)  --AUX FUNC sw for mission restart
diff --git a/libraries/AP_Scripting/applets/RockBlock.lua b/libraries/AP_Scripting/applets/RockBlock.lua
index f8e675cbb0..2c5e175b1b 100644
--- a/libraries/AP_Scripting/applets/RockBlock.lua
+++ b/libraries/AP_Scripting/applets/RockBlock.lua
@@ -24,12 +24,14 @@ The param SCR_VM_I_COUNT may need to be increased in some circumstances
 Written by Stephen Dade (stephen_dade@hotmail.com)
 ]]--
 
+---@diagnostic disable: cast-local-type
+
 local PARAM_TABLE_KEY = 10
 local PARAM_TABLE_PREFIX = "RCK_"
 
 local port = serial:find_serial(0)
 
-if not port or baud == 0 then
+if not port then
     gcs:send_text(0, "Rockblock: No Scripting Serial Port")
     return
 end
diff --git a/libraries/AP_Scripting/applets/Script_Controller.lua b/libraries/AP_Scripting/applets/Script_Controller.lua
index 6957455ae3..4fb787b008 100644
--- a/libraries/AP_Scripting/applets/Script_Controller.lua
+++ b/libraries/AP_Scripting/applets/Script_Controller.lua
@@ -3,6 +3,8 @@
     /1 /2 or /3 subdirectories of the scripts directory
 --]]
 -- luacheck: only 0
+---@diagnostic disable: param-type-mismatch
+
 
 local THIS_SCRIPT = "Script_Controller.lua"
 local sel_ch = Parameter("SCR_USER6")
diff --git a/libraries/AP_Scripting/applets/SmartAudio.lua b/libraries/AP_Scripting/applets/SmartAudio.lua
index a5820d598e..00a3142f08 100644
--- a/libraries/AP_Scripting/applets/SmartAudio.lua
+++ b/libraries/AP_Scripting/applets/SmartAudio.lua
@@ -20,6 +20,9 @@
 ---------and set to -1 for unchanged, 0 (PitMode),1,2,3, or 4 for power level (1 lowest,4 maximum)
 -- 3. Attach the UART's TX for the Serial port chosen above to the VTX's SmartAudio input
 
+---@diagnostic disable: need-check-nil
+
+
 -- init local variables
 local startup_pwr = param:get('SCR_USER1') 
 local scripting_rc = rc:find_channel_for_option(300)
diff --git a/libraries/AP_Scripting/applets/VTOL-quicktune.lua b/libraries/AP_Scripting/applets/VTOL-quicktune.lua
index 79d6af069a..a04d5ed08e 100644
--- a/libraries/AP_Scripting/applets/VTOL-quicktune.lua
+++ b/libraries/AP_Scripting/applets/VTOL-quicktune.lua
@@ -6,6 +6,9 @@
 
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: missing-parameter
 
 --[[
  - TODO:
diff --git a/libraries/AP_Scripting/applets/copter-deadreckon-home.lua b/libraries/AP_Scripting/applets/copter-deadreckon-home.lua
index cb4b5cce6a..152b752a00 100644
--- a/libraries/AP_Scripting/applets/copter-deadreckon-home.lua
+++ b/libraries/AP_Scripting/applets/copter-deadreckon-home.lua
@@ -56,6 +56,9 @@
 --   b. SIM_WIND_SPD <-- sets wind speed in m/s
 --
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: cast-local-type
+
 -- create and initialise parameters
 local PARAM_TABLE_KEY = 86  -- parameter table key must be used by only one script on a particular flight controller
 assert(param:add_table(PARAM_TABLE_KEY, "DR_", 9), 'could not add param table')
diff --git a/libraries/AP_Scripting/applets/forward_flight_motor_shutdown.lua b/libraries/AP_Scripting/applets/forward_flight_motor_shutdown.lua
index 50f856b471..9c2daa97cb 100644
--- a/libraries/AP_Scripting/applets/forward_flight_motor_shutdown.lua
+++ b/libraries/AP_Scripting/applets/forward_flight_motor_shutdown.lua
@@ -5,6 +5,8 @@
 -- slew up and down times allow to configure how fast the motors are disabled and re-enabled
 
 -- luacheck: only 0
+---@diagnostic disable: cast-local-type
+
 
 -- Config
 
diff --git a/libraries/AP_Scripting/applets/leds_on_a_switch.lua b/libraries/AP_Scripting/applets/leds_on_a_switch.lua
index 9126289f34..e80f12be59 100644
--- a/libraries/AP_Scripting/applets/leds_on_a_switch.lua
+++ b/libraries/AP_Scripting/applets/leds_on_a_switch.lua
@@ -1,6 +1,8 @@
 -- leds_on_a_switch.lua: control led brightness with a radio switch
 --
 
+---@diagnostic disable: cast-local-type
+
 -- constants
 local AuxSwitchPos = {LOW=0, MIDDLE=1, HIGH=2}
 local NTF_LED_BRIGHT = Parameter("NTF_LED_BRIGHT")
diff --git a/libraries/AP_Scripting/applets/mount-poi.lua b/libraries/AP_Scripting/applets/mount-poi.lua
index aa42620bc0..da56cfd6e8 100644
--- a/libraries/AP_Scripting/applets/mount-poi.lua
+++ b/libraries/AP_Scripting/applets/mount-poi.lua
@@ -19,6 +19,10 @@
 --  10. interpolate between test_loc and prev_test_loc to find the lat, lon, alt (above sea-level) where alt-above-terrain is zero
 --  11. display the POI to the user
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: missing-parameter
+
 -- global definitions
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 local ALT_FRAME_ABSOLUTE = 0
diff --git a/libraries/AP_Scripting/applets/net_webserver.lua b/libraries/AP_Scripting/applets/net_webserver.lua
index 278acd2b25..e8f7e2ad0f 100644
--- a/libraries/AP_Scripting/applets/net_webserver.lua
+++ b/libraries/AP_Scripting/applets/net_webserver.lua
@@ -1,6 +1,10 @@
 --[[
    example script to test lua socket API
 --]]
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: undefined-field
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: redundant-parameter
 
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 
diff --git a/libraries/AP_Scripting/applets/plane_package_place.lua b/libraries/AP_Scripting/applets/plane_package_place.lua
index 242435fc7f..cd69072870 100644
--- a/libraries/AP_Scripting/applets/plane_package_place.lua
+++ b/libraries/AP_Scripting/applets/plane_package_place.lua
@@ -2,6 +2,7 @@
  support package place for quadplanes
 --]]
 -- luacheck: only 0
+---@diagnostic disable: param-type-mismatch
 
 
 local PARAM_TABLE_KEY = 9
diff --git a/libraries/AP_Scripting/applets/plane_precland.lua b/libraries/AP_Scripting/applets/plane_precland.lua
index 9adcfdd84f..1d5dc96cd8 100644
--- a/libraries/AP_Scripting/applets/plane_precland.lua
+++ b/libraries/AP_Scripting/applets/plane_precland.lua
@@ -5,6 +5,8 @@
  for development of a custom solution
 --]]
 
+---@diagnostic disable: param-type-mismatch
+
 local PARAM_TABLE_KEY = 12
 local PARAM_TABLE_PREFIX = "PLND_"
 
diff --git a/libraries/AP_Scripting/applets/plane_ship_landing.lua b/libraries/AP_Scripting/applets/plane_ship_landing.lua
index 45bc9be2d4..da89c77e2f 100644
--- a/libraries/AP_Scripting/applets/plane_ship_landing.lua
+++ b/libraries/AP_Scripting/applets/plane_ship_landing.lua
@@ -4,6 +4,10 @@
  See this post for details: https://discuss.ardupilot.org/t/ship-landing-support
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: need-check-nil
+
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 
 local PARAM_TABLE_KEY = 7
diff --git a/libraries/AP_Scripting/applets/revert_param.lua b/libraries/AP_Scripting/applets/revert_param.lua
index 8ea0498f47..c92d1e5cc6 100644
--- a/libraries/AP_Scripting/applets/revert_param.lua
+++ b/libraries/AP_Scripting/applets/revert_param.lua
@@ -2,6 +2,10 @@
    parameter reversion utility. This helps with manual tuning
    in-flight by giving a way to instantly revert parameters to the startup parameters
 --]]
+
+---@diagnostic disable: param-type-mismatch
+
+
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 
 local PARAM_TABLE_KEY = 31
diff --git a/libraries/AP_Scripting/applets/rover-quicktune.lua b/libraries/AP_Scripting/applets/rover-quicktune.lua
index 0d09c6f5f9..7a05a53317 100644
--- a/libraries/AP_Scripting/applets/rover-quicktune.lua
+++ b/libraries/AP_Scripting/applets/rover-quicktune.lua
@@ -18,6 +18,9 @@ See the accompanying rover-quiktune.md file for instructions on how to use
 
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: need-check-nil
+
 -- global definitions
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 
diff --git a/libraries/AP_Scripting/applets/winch-control.lua b/libraries/AP_Scripting/applets/winch-control.lua
index 12496f8891..2e242df413 100644
--- a/libraries/AP_Scripting/applets/winch-control.lua
+++ b/libraries/AP_Scripting/applets/winch-control.lua
@@ -10,6 +10,9 @@
 -- Alternatively Mission Planner's Aux Function screen can be used in place of an actual RC switch
 --
 
+---@diagnostic disable: param-type-mismatch
+
+
 -- global definitions
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 local PARAM_TABLE_KEY = 80
diff --git a/libraries/AP_Scripting/drivers/BattMon_ANX.lua b/libraries/AP_Scripting/drivers/BattMon_ANX.lua
index 80b32b924d..d963850186 100644
--- a/libraries/AP_Scripting/drivers/BattMon_ANX.lua
+++ b/libraries/AP_Scripting/drivers/BattMon_ANX.lua
@@ -2,6 +2,9 @@
  device driver for ANX CAN battery monitor
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: missing-parameter
+
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 
 local PARAM_TABLE_KEY = 45
diff --git a/libraries/AP_Scripting/drivers/EFI_HFE.lua b/libraries/AP_Scripting/drivers/EFI_HFE.lua
index 08a2872414..0ed813159b 100644
--- a/libraries/AP_Scripting/drivers/EFI_HFE.lua
+++ b/libraries/AP_Scripting/drivers/EFI_HFE.lua
@@ -2,6 +2,11 @@
   EFI Scripting backend driver for HFE based on HFEDCN0191 Rev E
 --]]
 -- luacheck: only 0
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: redundant-parameter
+---@diagnostic disable: undefined-field
+---@diagnostic disable: missing-parameter
+---@diagnostic disable: need-check-nil
 
 
 -- Check Script uses a miniumum firmware version
diff --git a/libraries/AP_Scripting/drivers/EFI_Halo6000.lua b/libraries/AP_Scripting/drivers/EFI_Halo6000.lua
index 4bb457b6f8..b353ff2d5d 100644
--- a/libraries/AP_Scripting/drivers/EFI_Halo6000.lua
+++ b/libraries/AP_Scripting/drivers/EFI_Halo6000.lua
@@ -2,6 +2,11 @@
   EFI Scripting backend driver for Halo6000 generator
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: undefined-field
+---@diagnostic disable: missing-parameter
+---@diagnostic disable: need-check-nil
+
 -- Check Script uses a miniumum firmware version
 local SCRIPT_AP_VERSION = 4.3
 local SCRIPT_NAME       = "EFI: Halo6000 CAN"
diff --git a/libraries/AP_Scripting/drivers/EFI_SkyPower.lua b/libraries/AP_Scripting/drivers/EFI_SkyPower.lua
index 569295ff1b..3b7c8240f1 100644
--- a/libraries/AP_Scripting/drivers/EFI_SkyPower.lua
+++ b/libraries/AP_Scripting/drivers/EFI_SkyPower.lua
@@ -12,6 +12,12 @@ CAN_D1_BITRATE 500000 (500 kbit/s)
 
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: undefined-field
+---@diagnostic disable: missing-parameter
+
+
 -- Check Script uses a miniumum firmware version
 local SCRIPT_AP_VERSION = 4.3
 local SCRIPT_NAME       = "EFI: Skypower CAN"
diff --git a/libraries/AP_Scripting/drivers/Generator_SVFFI.lua b/libraries/AP_Scripting/drivers/Generator_SVFFI.lua
index a5267b4a09..eae7678a25 100644
--- a/libraries/AP_Scripting/drivers/Generator_SVFFI.lua
+++ b/libraries/AP_Scripting/drivers/Generator_SVFFI.lua
@@ -3,6 +3,9 @@
    See http://www.svffi.com/en/
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: missing-parameter
+
 local PARAM_TABLE_KEY = 42
 local PARAM_TABLE_PREFIX = "EFI_SVF_"
 
diff --git a/libraries/AP_Scripting/drivers/Hobbywing_DataLink.lua b/libraries/AP_Scripting/drivers/Hobbywing_DataLink.lua
index d1be31dfad..76a490146a 100644
--- a/libraries/AP_Scripting/drivers/Hobbywing_DataLink.lua
+++ b/libraries/AP_Scripting/drivers/Hobbywing_DataLink.lua
@@ -2,6 +2,8 @@
    driver for HobbyWing DataLink ESC telemetry
 --]]
 
+---@diagnostic disable: param-type-mismatch
+
 local PARAM_TABLE_KEY = 44
 local PARAM_TABLE_PREFIX = "ESC_HW_"
 
diff --git a/libraries/AP_Scripting/drivers/TOFSense-M/TOFSense-M_CAN.lua b/libraries/AP_Scripting/drivers/TOFSense-M/TOFSense-M_CAN.lua
index f5b3dc7ba1..8f53c081cc 100644
--- a/libraries/AP_Scripting/drivers/TOFSense-M/TOFSense-M_CAN.lua
+++ b/libraries/AP_Scripting/drivers/TOFSense-M/TOFSense-M_CAN.lua
@@ -2,6 +2,9 @@
    Driver for NoopLoop TOFSense-M CAN Version. Can be used as a 1-D RangeFidner or 3-D proximity sensor. Upto 3 CAN devices supported in this script although its easy to extend.
 --]]
 
+---@diagnostic disable: undefined-field
+---@diagnostic disable: undefined-global
+
 local update_rate_ms    = 10  -- update rate (in ms) of the driver. 10ms was found to be appropriate
 
 -- Global variables (DO NOT CHANGE)
diff --git a/libraries/AP_Scripting/drivers/TOFSense-M/TOFSense-M_Serial.lua b/libraries/AP_Scripting/drivers/TOFSense-M/TOFSense-M_Serial.lua
index d6c495422c..bc487de734 100644
--- a/libraries/AP_Scripting/drivers/TOFSense-M/TOFSense-M_Serial.lua
+++ b/libraries/AP_Scripting/drivers/TOFSense-M/TOFSense-M_Serial.lua
@@ -2,6 +2,10 @@
   Upto 3 CAN devices supported in this script although its easy to extend.
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: undefined-global
+
 local sensor_no         = 1     -- Sensor ID. Upload a copy of this script to the flight controller with this variable changed if you would like to use multiple of these sensors as serial. Switching to CAN highly recommended in that case
 local update_rate_ms    = 10    -- update rate (in ms) of the driver. 10ms was found to be appropriate
 local bytes_to_parse    = 100   -- serial bytes to parse in one interation of lua script. Reduce this if script is not able to complete in time
diff --git a/libraries/AP_Scripting/drivers/mount-djirs2-driver.lua b/libraries/AP_Scripting/drivers/mount-djirs2-driver.lua
index 61113d05d7..5032ac9b90 100644
--- a/libraries/AP_Scripting/drivers/mount-djirs2-driver.lua
+++ b/libraries/AP_Scripting/drivers/mount-djirs2-driver.lua
@@ -71,6 +71,9 @@
 
 --]]
 
+---@diagnostic disable: cast-local-type
+
+
 -- global definitions
 local INIT_INTERVAL_MS = 3000           -- attempt to initialise the gimbal at this interval
 local UPDATE_INTERVAL_MS = 1            -- update interval in millis
diff --git a/libraries/AP_Scripting/drivers/mount-viewpro-driver.lua b/libraries/AP_Scripting/drivers/mount-viewpro-driver.lua
index 9786e6327b..3f04dff228 100644
--- a/libraries/AP_Scripting/drivers/mount-viewpro-driver.lua
+++ b/libraries/AP_Scripting/drivers/mount-viewpro-driver.lua
@@ -31,6 +31,9 @@
      n+2       checksum        XOR of byte3 to n+1 (inclusive)
 --]]
 
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: undefined-global
+
 -- parameters
 local PARAM_TABLE_KEY = 39
 assert(param:add_table(PARAM_TABLE_KEY, "VIEP_", 6), "could not add param table")
diff --git a/libraries/AP_Scripting/examples/AHRS_switch.lua b/libraries/AP_Scripting/examples/AHRS_switch.lua
index e24478cf24..a9f06c5a57 100644
--- a/libraries/AP_Scripting/examples/AHRS_switch.lua
+++ b/libraries/AP_Scripting/examples/AHRS_switch.lua
@@ -1,5 +1,7 @@
 -- switch between DCM and EKF3 on a switch
 
+---@diagnostic disable: need-check-nil
+
 local scripting_rc1 = rc:find_channel_for_option(300)
 local EKF_TYPE = Parameter('AHRS_EKF_TYPE')
 
diff --git a/libraries/AP_Scripting/examples/CAN_MiniCheetah_drive.lua b/libraries/AP_Scripting/examples/CAN_MiniCheetah_drive.lua
index a06f15b762..cd5b681ec8 100644
--- a/libraries/AP_Scripting/examples/CAN_MiniCheetah_drive.lua
+++ b/libraries/AP_Scripting/examples/CAN_MiniCheetah_drive.lua
@@ -1,6 +1,8 @@
 -- Control MiniCheetah motor driver over CAN
 -- https://os.mbed.com/users/benkatz/code/HKC_MiniCheetah/docs/tip/CAN__com_8cpp_source.html
 
+---@diagnostic disable: param-type-mismatch
+
 -- Load CAN driver with a buffer size of 20
 local driver = CAN:get_device(20)
 
diff --git a/libraries/AP_Scripting/examples/CAN_logger.lua b/libraries/AP_Scripting/examples/CAN_logger.lua
index aa3c5ff990..d23ccf8076 100644
--- a/libraries/AP_Scripting/examples/CAN_logger.lua
+++ b/libraries/AP_Scripting/examples/CAN_logger.lua
@@ -4,6 +4,8 @@
    Also need LOG_DISARMED set to 1 if running this while disarmed.
 --]]
 
+---@diagnostic disable: param-type-mismatch
+
 local can_driver = CAN:get_device(25)
 
 if not can_driver then
diff --git a/libraries/AP_Scripting/examples/EFI_tester.lua b/libraries/AP_Scripting/examples/EFI_tester.lua
index 0bb2719d85..4015e079ec 100644
--- a/libraries/AP_Scripting/examples/EFI_tester.lua
+++ b/libraries/AP_Scripting/examples/EFI_tester.lua
@@ -3,6 +3,10 @@
    this can be used with a loopback cable between CAN1 and CAN2 to test CAN EFI Drivers
 --]]
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: missing-parameter
+
+
 local driver2 = CAN.get_device2(25)
 if not driver2 then
    gcs:send_text(0,string.format("EFISIM: Failed to load CAN driver"))
diff --git a/libraries/AP_Scripting/examples/MAVLinkHL.lua b/libraries/AP_Scripting/examples/MAVLinkHL.lua
index 3ee4f4f5e0..21cc968a63 100644
--- a/libraries/AP_Scripting/examples/MAVLinkHL.lua
+++ b/libraries/AP_Scripting/examples/MAVLinkHL.lua
@@ -17,9 +17,14 @@ Caveats:
 
 Written by Stephen Dade (stephen_dade@hotmail.com)
 --]]
+
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: cast-local-type
+
+
 local port = serial:find_serial(0)
 
-if not port or baud == 0 then
+if not port then
     gcs:send_text(0, "No Scripting Serial Port")
     return
 end
diff --git a/libraries/AP_Scripting/examples/RC_override.lua b/libraries/AP_Scripting/examples/RC_override.lua
index 52b19f2945..460c6e9ab6 100644
--- a/libraries/AP_Scripting/examples/RC_override.lua
+++ b/libraries/AP_Scripting/examples/RC_override.lua
@@ -1,5 +1,8 @@
 -- example of overriding RC inputs
 
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: param-type-mismatch
+
 local RC4 = rc:get_channel(4)
 
 function update()
diff --git a/libraries/AP_Scripting/examples/SN-GCJA5-particle-sensor.lua b/libraries/AP_Scripting/examples/SN-GCJA5-particle-sensor.lua
index 163ae6ca8a..524eb685cc 100644
--- a/libraries/AP_Scripting/examples/SN-GCJA5-particle-sensor.lua
+++ b/libraries/AP_Scripting/examples/SN-GCJA5-particle-sensor.lua
@@ -8,6 +8,9 @@
     https://github.com/sparkfun/SparkFun_Particle_Sensor_SN-GCJA5_Arduino_Library
 ]]--
 
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: undefined-global
+
 -- search for a index without a file, this stops us overwriting from a previous run
 local index = 0
 local file_name
diff --git a/libraries/AP_Scripting/examples/Serial_Dump.lua b/libraries/AP_Scripting/examples/Serial_Dump.lua
index bfff5392e8..aae1eef966 100644
--- a/libraries/AP_Scripting/examples/Serial_Dump.lua
+++ b/libraries/AP_Scripting/examples/Serial_Dump.lua
@@ -1,5 +1,9 @@
 -- this script reads data from a serial port and dumps it to a file
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: cast-local-type
+
 local file_name = 'raw serial dump.txt'
 local file_name_plain = 'serial dump.txt'
 local baud_rate = 9600
diff --git a/libraries/AP_Scripting/examples/UART_log.lua b/libraries/AP_Scripting/examples/UART_log.lua
index 927b6054c6..37a26ed286 100644
--- a/libraries/AP_Scripting/examples/UART_log.lua
+++ b/libraries/AP_Scripting/examples/UART_log.lua
@@ -3,7 +3,7 @@
 -- find the serial first (0) scripting serial port instance
 local port = serial:find_serial(0)
 
-if not port or baud == 0 then
+if not port then
     gcs:send_text(0, "No Scripting Serial Port")
     return
 end
diff --git a/libraries/AP_Scripting/examples/ahrs-set-home-to-vehicle-location.lua b/libraries/AP_Scripting/examples/ahrs-set-home-to-vehicle-location.lua
index 090c8288f7..f4fcee1e69 100644
--- a/libraries/AP_Scripting/examples/ahrs-set-home-to-vehicle-location.lua
+++ b/libraries/AP_Scripting/examples/ahrs-set-home-to-vehicle-location.lua
@@ -1,6 +1,8 @@
 -- example script for using "set_home()"
 -- sets the home location to the current vehicle location every 5 seconds
 
+---@diagnostic disable: param-type-mismatch
+
 function update ()
 
     if ahrs:home_is_set() then
diff --git a/libraries/AP_Scripting/examples/ahrs-source-gps-optflow.lua b/libraries/AP_Scripting/examples/ahrs-source-gps-optflow.lua
index 5ce72deced..3d313ea221 100644
--- a/libraries/AP_Scripting/examples/ahrs-source-gps-optflow.lua
+++ b/libraries/AP_Scripting/examples/ahrs-source-gps-optflow.lua
@@ -27,6 +27,8 @@
 --
 -- When the 2nd auxiliary switch (300/Scripting1) is pulled high automatic source selection uses these thresholds:
 -- luacheck: only 0
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: need-check-nil
 
 local rangefinder_rotation = 25     -- check downward (25) facing lidar
 local source_prev = 0               -- previous source, defaults to primary source
diff --git a/libraries/AP_Scripting/examples/ahrs-source-gps-wheelencoders.lua b/libraries/AP_Scripting/examples/ahrs-source-gps-wheelencoders.lua
index 75d54583f2..96c4f7ed5f 100644
--- a/libraries/AP_Scripting/examples/ahrs-source-gps-wheelencoders.lua
+++ b/libraries/AP_Scripting/examples/ahrs-source-gps-wheelencoders.lua
@@ -10,6 +10,8 @@
 --     if GPS speed accuracy <= SCR_USER2 and GPS innovations <= SRC_USER3 then the GPS (primary source set) will be used
 --     otherwise wheel encoders (secondary source set) will be used
 -- luacheck: only 0
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: need-check-nil
 
 local source_prev = 0               -- previous source, defaults to primary source
 local sw_source_prev = -1           -- previous source switch position
diff --git a/libraries/AP_Scripting/examples/ahrs-source.lua b/libraries/AP_Scripting/examples/ahrs-source.lua
index 186bee0832..87f4d98536 100644
--- a/libraries/AP_Scripting/examples/ahrs-source.lua
+++ b/libraries/AP_Scripting/examples/ahrs-source.lua
@@ -16,6 +16,9 @@
 --     otherwise source2 (T265) or source3 (optical flow) will be used based on rangefinder distance
 -- luacheck: only 0
 
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: cast-local-type
+
 local rangefinder_rotation = 25     -- check downward (25) facing lidar
 local source_prev = 0               -- previous source, defaults to primary source
 local sw_source_prev = -1           -- previous source switch position
diff --git a/libraries/AP_Scripting/examples/analog_input_and_GPIO.lua b/libraries/AP_Scripting/examples/analog_input_and_GPIO.lua
index 5d0048b547..0cb20b6be7 100644
--- a/libraries/AP_Scripting/examples/analog_input_and_GPIO.lua
+++ b/libraries/AP_Scripting/examples/analog_input_and_GPIO.lua
@@ -2,6 +2,8 @@
 
 -- for these examples BRD_PWM_COUNT must be 0
 
+---@diagnostic disable: need-check-nil
+
 -- load the analog pin, there are only 16 of these available
 -- some are used by the main AP code, ie battery monitors
 -- assign them like this in the init, not in the main loop
diff --git a/libraries/AP_Scripting/examples/benewakeH30_can_rangefinder.lua b/libraries/AP_Scripting/examples/benewakeH30_can_rangefinder.lua
index ca1539ccce..a092cf85f2 100644
--- a/libraries/AP_Scripting/examples/benewakeH30_can_rangefinder.lua
+++ b/libraries/AP_Scripting/examples/benewakeH30_can_rangefinder.lua
@@ -1,5 +1,7 @@
 -- Lua Can Driver for Benewake CAN Rangefinder
 
+---@diagnostic disable: undefined-global
+
 -- User settable parameters
 local update_rate_ms    = 10    -- update rate (in ms) of the driver
 local debug_enable = false    -- true to enable debug messages
diff --git a/libraries/AP_Scripting/examples/camera-test.lua b/libraries/AP_Scripting/examples/camera-test.lua
index 9dec743e6a..c55343be52 100644
--- a/libraries/AP_Scripting/examples/camera-test.lua
+++ b/libraries/AP_Scripting/examples/camera-test.lua
@@ -1,5 +1,7 @@
 -- camera-test.lua.  Tests triggering taking pictures at regular intervals
 
+---@diagnostic disable: cast-local-type
+
 -- global definitions
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 local TAKE_PIC_INTERVAL_MS = 5000   -- take pictures at this interval
diff --git a/libraries/AP_Scripting/examples/cell_balance_check.lua b/libraries/AP_Scripting/examples/cell_balance_check.lua
index a7274a4d14..64bec40178 100644
--- a/libraries/AP_Scripting/examples/cell_balance_check.lua
+++ b/libraries/AP_Scripting/examples/cell_balance_check.lua
@@ -2,6 +2,8 @@
  script implementing pre-arm check that batteries are well balanced
 --]]
 
+---@diagnostic disable: param-type-mismatch
+
 local MAX_CELL_DEVIATION = 0.2
 
 local auth_id = arming:get_aux_auth_id()
diff --git a/libraries/AP_Scripting/examples/copter-fast-descent.lua b/libraries/AP_Scripting/examples/copter-fast-descent.lua
index 0b4ab0bfa1..77bd9eba47 100644
--- a/libraries/AP_Scripting/examples/copter-fast-descent.lua
+++ b/libraries/AP_Scripting/examples/copter-fast-descent.lua
@@ -6,6 +6,10 @@
 --    b) slows the spiral and stops at the preset altitude
 --    c) switches to RTL
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: need-check-nil
+
 -- constants
 local copter_guided_mode_num = 4    -- Guided mode is 4 on copter
 local copter_rtl_mode_num = 6       -- RTL is 6 on copter
diff --git a/libraries/AP_Scripting/examples/copter-nav-script-time.lua b/libraries/AP_Scripting/examples/copter-nav-script-time.lua
index ebb8c46213..5c6c93c54d 100644
--- a/libraries/AP_Scripting/examples/copter-nav-script-time.lua
+++ b/libraries/AP_Scripting/examples/copter-nav-script-time.lua
@@ -12,6 +12,9 @@
 -- "arg2" specifies the height (e.g. North-South) in meters
 -- Once the vehicle completes the square or the timeout expires the mission will continue and the vehicle should RTL home
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: need-check-nil
+
 local running = false
 local last_id = -1          -- unique id used to detect if a new NAV_SCRIPT_TIME command has started
 local start_loc             -- vehicle's location when command starts (South-West corner of square)
diff --git a/libraries/AP_Scripting/examples/frsky_wp.lua b/libraries/AP_Scripting/examples/frsky_wp.lua
index 3ec4157138..91b8c083d8 100644
--- a/libraries/AP_Scripting/examples/frsky_wp.lua
+++ b/libraries/AP_Scripting/examples/frsky_wp.lua
@@ -18,6 +18,7 @@
   Note: 17 is the index, 0x71 is the actual ID
 --]]
 -- luacheck: only 0
+---@diagnostic disable: param-type-mismatch
 
 local loop_time = 1000 -- number of ms between runs
 
diff --git a/libraries/AP_Scripting/examples/fw_vtol_failsafe.lua b/libraries/AP_Scripting/examples/fw_vtol_failsafe.lua
index 08638ef169..93eea1843f 100644
--- a/libraries/AP_Scripting/examples/fw_vtol_failsafe.lua
+++ b/libraries/AP_Scripting/examples/fw_vtol_failsafe.lua
@@ -8,6 +8,8 @@
 -- If the aircraft drops below a predetermined minimum altitude, QLAND mode is engaged and the aircraft lands at its current position.
 -- If the aircraft arrives within Q_FW_LND_APR_RAD of the return point before dropping below the minimum altitude, it should loiter down to the minimum altitude before switching to QRTL and landing.
 
+---@diagnostic disable: cast-local-type
+
 -- setup param block for VTOL failsafe params
 local PARAM_TABLE_KEY = 77
 local PARAM_TABLE_PREFIX = "VTFS_"
diff --git a/libraries/AP_Scripting/examples/gen_control.lua b/libraries/AP_Scripting/examples/gen_control.lua
index 018c6ce23f..a8013c049a 100644
--- a/libraries/AP_Scripting/examples/gen_control.lua
+++ b/libraries/AP_Scripting/examples/gen_control.lua
@@ -7,6 +7,8 @@
 --]]
 -- luacheck: only 0
 
+---@diagnostic disable: need-check-nil
+---@diagnostic disable: param-type-mismatch
 
 UPDATE_RATE_HZ = 10
 
diff --git a/libraries/AP_Scripting/examples/i2c_scan.lua b/libraries/AP_Scripting/examples/i2c_scan.lua
index 9e93806af7..8600c1e21b 100644
--- a/libraries/AP_Scripting/examples/i2c_scan.lua
+++ b/libraries/AP_Scripting/examples/i2c_scan.lua
@@ -1,4 +1,7 @@
 -- This script scans for devices on the i2c bus
+
+---@diagnostic disable: need-check-nil
+
 local address = 0
 local found = 0
 
diff --git a/libraries/AP_Scripting/examples/mission-edit-demo.lua b/libraries/AP_Scripting/examples/mission-edit-demo.lua
index ecbebe9c54..d750d3f3bf 100644
--- a/libraries/AP_Scripting/examples/mission-edit-demo.lua
+++ b/libraries/AP_Scripting/examples/mission-edit-demo.lua
@@ -2,6 +2,9 @@
 -- by Buzz 2020
 -- luacheck: only 0
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: undefined-field
+
 current_pos = nil
 home = 0
 a = {}
diff --git a/libraries/AP_Scripting/examples/mission-load.lua b/libraries/AP_Scripting/examples/mission-load.lua
index 76f465b1fb..0ea6506e77 100644
--- a/libraries/AP_Scripting/examples/mission-load.lua
+++ b/libraries/AP_Scripting/examples/mission-load.lua
@@ -5,7 +5,7 @@
 --The "mission1.txt" file containing the mission items should be placed in the directory above the "scripts" directory. 
 --In case of placing it on SD Card, mission1.txt file should be placed in the APM directory root.
 
-
+---@diagnostic disable: param-type-mismatch
 
 local function read_mission(file_name)
 
diff --git a/libraries/AP_Scripting/examples/mission-save.lua b/libraries/AP_Scripting/examples/mission-save.lua
index 84d19da296..806a37eb3d 100644
--- a/libraries/AP_Scripting/examples/mission-save.lua
+++ b/libraries/AP_Scripting/examples/mission-save.lua
@@ -1,5 +1,7 @@
 -- Example of saving the current mission to a file on the SD card on arming
 
+---@diagnostic disable: need-check-nil
+
 local function save_to_SD()
 
   -- check if there is a mission to save
diff --git a/libraries/AP_Scripting/examples/mount-test.lua b/libraries/AP_Scripting/examples/mount-test.lua
index 18ef644989..93f66f473d 100644
--- a/libraries/AP_Scripting/examples/mount-test.lua
+++ b/libraries/AP_Scripting/examples/mount-test.lua
@@ -12,6 +12,8 @@
 -- stage 9: point North and Down
 -- stage 10: move angle to neutral position
 
+---@diagnostic disable: cast-local-type
+
 local stage = 0
 local stage_time_ms = 5000
 local stage_start_time_ms = 0
diff --git a/libraries/AP_Scripting/examples/net_test.lua b/libraries/AP_Scripting/examples/net_test.lua
index b83fa2f8f4..191d6ed23b 100644
--- a/libraries/AP_Scripting/examples/net_test.lua
+++ b/libraries/AP_Scripting/examples/net_test.lua
@@ -2,6 +2,8 @@
    example script to test lua socket API
 --]]
 
+---@diagnostic disable: param-type-mismatch
+
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 
 PARAM_TABLE_KEY = 46
diff --git a/libraries/AP_Scripting/examples/plane-doublets.lua b/libraries/AP_Scripting/examples/plane-doublets.lua
index 2c34a381f6..da806fe754 100644
--- a/libraries/AP_Scripting/examples/plane-doublets.lua
+++ b/libraries/AP_Scripting/examples/plane-doublets.lua
@@ -8,6 +8,9 @@
 -- starting a doublet
 -- Charlie Johnson, Oklahoma State University 2020
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: cast-local-type
+
 local DOUBLET_ACTION_CHANNEL = 6 -- RCIN channel to start a doublet when high (>1700)
 local DOUBLET_CHOICE_CHANNEL = 7 -- RCIN channel to choose elevator (low) or rudder (high)
 local DOUBLET_FUCNTION = 19 -- which control surface (SERVOx_FUNCTION) number will have a doublet happen
diff --git a/libraries/AP_Scripting/examples/plane-wind-fs.lua b/libraries/AP_Scripting/examples/plane-wind-fs.lua
index ef5fcfccd2..2369a1d5a3 100644
--- a/libraries/AP_Scripting/examples/plane-wind-fs.lua
+++ b/libraries/AP_Scripting/examples/plane-wind-fs.lua
@@ -3,6 +3,9 @@
 --
 -- CAUTION: This script only works for Plane
 
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: undefined-global
+
 -- store the batt info as { instance, filtered, capacity, margin_mah }
 -- instance: the battery monitor instance (zero indexed)
 -- filtered: internal variable for current draw
diff --git a/libraries/AP_Scripting/examples/plane_guided_follow.lua b/libraries/AP_Scripting/examples/plane_guided_follow.lua
index 89e5ef09cd..c5d6252f3c 100644
--- a/libraries/AP_Scripting/examples/plane_guided_follow.lua
+++ b/libraries/AP_Scripting/examples/plane_guided_follow.lua
@@ -1,5 +1,7 @@
 -- support follow in GUIDED mode in plane
 -- luacheck: only 0
+---@diagnostic disable: cast-local-type
+
 
 local PARAM_TABLE_KEY = 11
 local PARAM_TABLE_PREFIX = "GFOLL_"
diff --git a/libraries/AP_Scripting/examples/quadruped.lua b/libraries/AP_Scripting/examples/quadruped.lua
index a8d5536512..f74e89b1f0 100644
--- a/libraries/AP_Scripting/examples/quadruped.lua
+++ b/libraries/AP_Scripting/examples/quadruped.lua
@@ -19,6 +19,8 @@
 --
 -- CAUTION: This script should only be used with ArduPilot Rover's firmware
 
+---@diagnostic disable: cast-local-type
+
 
 local FRAME_LEN = 80    -- frame length in mm
 local FRAME_WIDTH = 150 -- frame width in mm
diff --git a/libraries/AP_Scripting/examples/rangefinder_quality_test.lua b/libraries/AP_Scripting/examples/rangefinder_quality_test.lua
index 28c78e7ff2..45772d4d35 100644
--- a/libraries/AP_Scripting/examples/rangefinder_quality_test.lua
+++ b/libraries/AP_Scripting/examples/rangefinder_quality_test.lua
@@ -10,6 +10,9 @@
 -- "RNGFND1_MIN_CM": 10,
 -- "RNGFND1_MAX_CM": 5000,
 
+---@diagnostic disable: cast-local-type
+
+
 -- UPDATE_PERIOD_MS is the time between when a distance is set and
 -- when it is read. There is a periodic task that copies the set distance to
 -- the state structure that it is read from. If UPDATE_PERIOD_MS is too short this periodic
diff --git a/libraries/AP_Scripting/examples/rover-MinFixType.lua b/libraries/AP_Scripting/examples/rover-MinFixType.lua
index aabe1f44d6..7afb3d67f3 100644
--- a/libraries/AP_Scripting/examples/rover-MinFixType.lua
+++ b/libraries/AP_Scripting/examples/rover-MinFixType.lua
@@ -13,6 +13,8 @@ of a vehicle.  Use this script AT YOUR OWN RISK.
 LICENSE - GNU GPLv3 https://www.gnu.org/licenses/gpl-3.0.en.html
 ------------------------------------------------------------------------------]]
 
+---@diagnostic disable: param-type-mismatch
+
 local SCRIPT_NAME = 'MinFixType'
 
 --------  MAVLINK/AUTOPILOT 'CONSTANTS'  --------
diff --git a/libraries/AP_Scripting/examples/rover-SaveTurns.lua b/libraries/AP_Scripting/examples/rover-SaveTurns.lua
index 9e530f2331..4aa68d021a 100644
--- a/libraries/AP_Scripting/examples/rover-SaveTurns.lua
+++ b/libraries/AP_Scripting/examples/rover-SaveTurns.lua
@@ -12,6 +12,9 @@ of a vehicle.  Use this script AT YOUR OWN RISK.
 LICENSE - GNU GPLv3 https://www.gnu.org/licenses/gpl-3.0.en.html
 ------------------------------------------------------------------------------]]
 
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: need-check-nil
+
 local SCRIPT_NAME = 'SaveTurns'
 
 --------  USER EDITABLE GLOBALS  --------
diff --git a/libraries/AP_Scripting/examples/rover-TerrainDetector.lua b/libraries/AP_Scripting/examples/rover-TerrainDetector.lua
index 7ba8646821..e220e7be28 100644
--- a/libraries/AP_Scripting/examples/rover-TerrainDetector.lua
+++ b/libraries/AP_Scripting/examples/rover-TerrainDetector.lua
@@ -28,6 +28,8 @@ https://www.youtube.com/watch?v=UdXGXjigxAo&t=7155s
 Credit to @ktrussell for the idea and discussion!
 ------------------------------------------------------------------------------]]
 
+---@diagnostic disable: param-type-mismatch
+
 local SCRIPT_NAME     = 'TerrainDetector'
 local RUN_INTERVAL_MS =  25  -- needs to be pretty fast for good detection
 local SBY_INTERVAL_MS = 500  -- slower interval when detection is disabled
diff --git a/libraries/AP_Scripting/examples/serial_test.lua b/libraries/AP_Scripting/examples/serial_test.lua
index 6f7a2a5a03..a1108923c7 100644
--- a/libraries/AP_Scripting/examples/serial_test.lua
+++ b/libraries/AP_Scripting/examples/serial_test.lua
@@ -1,5 +1,7 @@
 -- Lua script to write and read from a serial
 
+---@diagnostic disable: need-check-nil
+
 local port = serial:find_serial(0)
 
 port:begin(115200)
diff --git a/libraries/AP_Scripting/examples/servo_set_get.lua b/libraries/AP_Scripting/examples/servo_set_get.lua
index 0834bacce5..61ed0d20e3 100644
--- a/libraries/AP_Scripting/examples/servo_set_get.lua
+++ b/libraries/AP_Scripting/examples/servo_set_get.lua
@@ -5,7 +5,7 @@
 
 local flipflop = true
 local K_AILERON = 4
-local aileron_channel = SRV_Channels:find_channel(K_AILERON)
+local aileron_channel = assert(SRV_Channels:find_channel(K_AILERON))
 
 function update()
     if flipflop then
diff --git a/libraries/AP_Scripting/examples/set_target_posvel_circle.lua b/libraries/AP_Scripting/examples/set_target_posvel_circle.lua
index 87d4d95382..3e068faa44 100644
--- a/libraries/AP_Scripting/examples/set_target_posvel_circle.lua
+++ b/libraries/AP_Scripting/examples/set_target_posvel_circle.lua
@@ -8,6 +8,9 @@
 --      3) the vehilce will follow a circle in clockwise direction with increasing speed until ramp_up_time_s time has passed.
 --      4) switch out of and into the GUIDED mode any time to restart the trajectory from the start.
 
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: redundant-parameter
+
 -- Edit these variables
 local rad_xy_m = 10.0   -- circle radius in xy plane in m
 local target_speed_xy_mps = 5.0     -- maximum target speed in m/s
diff --git a/libraries/AP_Scripting/examples/ship_vel_match.lua b/libraries/AP_Scripting/examples/ship_vel_match.lua
index 38594caed4..9ceee3debc 100644
--- a/libraries/AP_Scripting/examples/ship_vel_match.lua
+++ b/libraries/AP_Scripting/examples/ship_vel_match.lua
@@ -1,5 +1,7 @@
 -- support takeoff with velocity matching for quadplanes
 
+---@diagnostic disable: need-check-nil
+
 local PARAM_TABLE_KEY = 35
 local PARAM_TABLE_PREFIX = "SHIPV_"
 
diff --git a/libraries/AP_Scripting/examples/sub_test_synthetic_seafloor.lua b/libraries/AP_Scripting/examples/sub_test_synthetic_seafloor.lua
index a7815dec89..ceb12ba36b 100644
--- a/libraries/AP_Scripting/examples/sub_test_synthetic_seafloor.lua
+++ b/libraries/AP_Scripting/examples/sub_test_synthetic_seafloor.lua
@@ -13,6 +13,8 @@
 --  SCR_USER3 is a bit field that controls driver logging.
 --
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: cast-local-type
 
 local UPDATE_PERIOD_MS = 50
 
diff --git a/libraries/AP_Scripting/examples/test_load.lua b/libraries/AP_Scripting/examples/test_load.lua
index f09d6a4827..1d09e515c4 100644
--- a/libraries/AP_Scripting/examples/test_load.lua
+++ b/libraries/AP_Scripting/examples/test_load.lua
@@ -1,6 +1,7 @@
 --[[
  test the load function for loading new code from strings
 --]]
+---@diagnostic disable: undefined-global
 
 gcs:send_text(0,"Testing load() method")
 
diff --git a/libraries/AP_Scripting/examples/wrap32_test.lua b/libraries/AP_Scripting/examples/wrap32_test.lua
index 9e088d58cb..1ae5e90ffa 100644
--- a/libraries/AP_Scripting/examples/wrap32_test.lua
+++ b/libraries/AP_Scripting/examples/wrap32_test.lua
@@ -8,6 +8,8 @@ a script to test handling of 32 bit micros timer wrap with BDShot
 - BRD_SAFETY_DFLT must be 0
 - BDShot must be enabled on outputs 9-12
 --]]
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: cast-local-type
 
 local PARAM_TABLE_KEY = 138
 local PARAM_TABLE_PREFIX = "WRAP32_"
diff --git a/libraries/AP_Scripting/tests/math.lua b/libraries/AP_Scripting/tests/math.lua
index 4cfeb4ffe4..e70d48ba66 100644
--- a/libraries/AP_Scripting/tests/math.lua
+++ b/libraries/AP_Scripting/tests/math.lua
@@ -33,6 +33,9 @@
 -- luacheck: ignore 421 (Shadowing a local variable)
 -- luacheck: ignore 581 (Negation of a relational operator - operator can be flipped)
 
+---@diagnostic disable: cast-local-type
+---@diagnostic disable: undefined-global
+
 gcs:send_text(6, "testing numbers and math lib")
 
 local minint = math.mininteger
diff --git a/libraries/AP_Scripting/tests/mavlink_test.lua b/libraries/AP_Scripting/tests/mavlink_test.lua
index cc2a062bdd..c03fe2af24 100644
--- a/libraries/AP_Scripting/tests/mavlink_test.lua
+++ b/libraries/AP_Scripting/tests/mavlink_test.lua
@@ -1,3 +1,6 @@
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: missing-parameter
+
 local mavlink_msgs = require("mavlink/mavlink_msgs")
 
 local msg_map = {}
diff --git a/libraries/AP_Scripting/tests/strings.lua b/libraries/AP_Scripting/tests/strings.lua
index 79fde4c4fb..fb19ebcda5 100644
--- a/libraries/AP_Scripting/tests/strings.lua
+++ b/libraries/AP_Scripting/tests/strings.lua
@@ -29,6 +29,11 @@
 
 -- luacheck: ignore 581 (Negation of a relational operator - operator can be flipped)
 
+---@diagnostic disable: param-type-mismatch
+---@diagnostic disable: missing-parameter
+---@diagnostic disable: undefined-global
+
+
 gcs:send_text(6, 'testing strings and string library')
 
 local maxi, mini = math.maxinteger, math.mininteger