diff --git a/resources/commands/generators/coin.lua b/resources/commands/generators/coin.lua
new file mode 100644
index 0000000..2115db2
--- /dev/null
+++ b/resources/commands/generators/coin.lua
@@ -0,0 +1,6 @@
+math.randomseed(os.time() + (jarvis.context.time.minute or 0) * 1000)
+local r = math.random(1, 2)
+if r == 1 then
+    return jarvis.cmd.ok("Орёл!")
+end
+return jarvis.cmd.ok("Решка!")
diff --git a/resources/commands/generators/command.toml b/resources/commands/generators/command.toml
new file mode 100644
index 0000000..ea27e25
--- /dev/null
+++ b/resources/commands/generators/command.toml
@@ -0,0 +1,54 @@
+# Random generators — coin flip, password, secret token, color.
+
+[[commands]]
+id = "gen.coin"
+type = "lua"
+script = "coin.lua"
+sandbox = "minimal"
+timeout = 2000
+
+[commands.phrases]
+ru = [
+    "подбрось монету",
+    "брось монетку",
+    "орёл или решка",
+    "монетка",
+]
+en = ["flip a coin", "coin flip", "heads or tails"]
+ua = ["підкинь монетку"]
+
+
+[[commands]]
+id = "gen.password"
+type = "lua"
+script = "password.lua"
+sandbox = "full"
+timeout = 3000
+
+[commands.phrases]
+ru = [
+    "сгенерируй пароль",
+    "придумай пароль",
+    "пароль 12 символов",
+    "сгенерируй надёжный пароль",
+]
+en = ["generate password", "make a password"]
+ua = ["згенеруй пароль"]
+
+
+[[commands]]
+id = "gen.uuid"
+type = "lua"
+script = "uuid.lua"
+sandbox = "full"
+timeout = 3000
+
+[commands.phrases]
+ru = [
+    "сгенерируй uuid",
+    "сгенерируй юид",
+    "юид",
+    "уникальный идентификатор",
+]
+en = ["generate uuid", "uuid"]
+ua = ["згенеруй юід"]
diff --git a/resources/commands/generators/password.lua b/resources/commands/generators/password.lua
new file mode 100644
index 0000000..979b679
--- /dev/null
+++ b/resources/commands/generators/password.lua
@@ -0,0 +1,22 @@
+-- "Сгенерируй пароль 16 символов" → secure password (alphanumeric + symbols)
+-- Copies result to clipboard, speaks length only (so it's not echoed).
+local phrase = (jarvis.context.phrase or ""):lower()
+local n = tonumber(phrase:match("(%d+)")) or 16
+if n < 6 then n = 6 end
+if n > 64 then n = 64 end
+
+local pool = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*-_=+"
+math.randomseed(os.time() + (jarvis.context.time.minute or 0) * 1000)
+
+local pw = {}
+for _ = 1, n do
+    local idx = math.random(1, #pool)
+    table.insert(pw, pool:sub(idx, idx))
+end
+local password = table.concat(pw)
+
+jarvis.system.clipboard.set(password)
+jarvis.system.notify("Пароль (" .. n .. " символов)", "Скопирован в буфер обмена")
+
+-- Speak length only, never the password itself.
+return jarvis.cmd.ok(string.format("Пароль на %d символов в буфере.", n))
diff --git a/resources/commands/generators/uuid.lua b/resources/commands/generators/uuid.lua
new file mode 100644
index 0000000..5610d4d
--- /dev/null
+++ b/resources/commands/generators/uuid.lua
@@ -0,0 +1,27 @@
+-- Generate v4 UUID, copy to clipboard, speak short suffix.
+math.randomseed(os.time() + (jarvis.context.time.minute or 0) * 1000)
+
+local function hex(n)
+    local s = {}
+    for _ = 1, n do
+        s[#s + 1] = string.format("%x", math.random(0, 15))
+    end
+    return table.concat(s)
+end
+
+-- v4 UUID: xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx where y is 8|9|a|b
+local y_pool = { "8", "9", "a", "b" }
+local uuid = string.format(
+    "%s-%s-4%s-%s%s-%s",
+    hex(8), hex(4), hex(3),
+    y_pool[math.random(1, 4)], hex(3),
+    hex(12)
+)
+
+jarvis.system.clipboard.set(uuid)
+jarvis.system.notify("UUID", uuid)
+
+-- Speak last 4 hex chars so user knows it landed but doesn't have to listen
+-- to 32 characters.
+local suffix = uuid:sub(-4)
+return jarvis.cmd.ok("UUID в буфере, заканчивается на " .. suffix .. ".")
diff --git a/resources/commands/unit_convert/command.toml b/resources/commands/unit_convert/command.toml
new file mode 100644
index 0000000..4bd9e6f
--- /dev/null
+++ b/resources/commands/unit_convert/command.toml
@@ -0,0 +1,82 @@
+# Unit conversion — length, weight, temperature, speed, volume.
+# Pure Lua, no external API.
+
+[[commands]]
+id = "convert.length"
+type = "lua"
+script = "length.lua"
+sandbox = "minimal"
+timeout = 2000
+
+[commands.phrases]
+ru = [
+    "переведи метры в футы",
+    "переведи футы в метры",
+    "сколько метров",
+    "сколько футов",
+    "сколько километров",
+    "сколько миль",
+    "переведи в метры",
+    "переведи в футы",
+    "переведи в км",
+    "переведи в мили",
+]
+en = ["convert meters to feet", "convert feet to meters", "how many meters", "how many feet"]
+ua = ["переведи метри у фути"]
+
+
+[[commands]]
+id = "convert.weight"
+type = "lua"
+script = "weight.lua"
+sandbox = "minimal"
+timeout = 2000
+
+[commands.phrases]
+ru = [
+    "переведи килограммы в фунты",
+    "переведи фунты в килограммы",
+    "сколько кг в фунтах",
+    "сколько фунтов",
+    "сколько килограммов",
+]
+en = ["convert kg to pounds", "how many pounds", "how many kg"]
+ua = ["переведи кг у фунти"]
+
+
+[[commands]]
+id = "convert.temperature"
+type = "lua"
+script = "temperature.lua"
+sandbox = "minimal"
+timeout = 2000
+
+[commands.phrases]
+ru = [
+    "переведи цельсий в фаренгейт",
+    "переведи фаренгейт в цельсий",
+    "сколько по фаренгейту",
+    "сколько по цельсию",
+    "сколько градусов в фаренгейтах",
+]
+en = ["convert celsius to fahrenheit", "celsius to fahrenheit", "fahrenheit to celsius"]
+ua = ["переведи цельсій у фаренгейт"]
+
+
+[[commands]]
+id = "convert.speed"
+type = "lua"
+script = "speed.lua"
+sandbox = "minimal"
+timeout = 2000
+
+[commands.phrases]
+ru = [
+    "переведи километры в час в мили в час",
+    "переведи в кмч",
+    "переведи в мили в час",
+    "сколько миль в час",
+    "сколько км в час",
+]
+en = ["convert kmh to mph", "kmh to mph", "mph to kmh"]
+ua = ["переведи кмг у миль на годину"]
diff --git a/resources/commands/unit_convert/length.lua b/resources/commands/unit_convert/length.lua
new file mode 100644
index 0000000..588ffa8
--- /dev/null
+++ b/resources/commands/unit_convert/length.lua
@@ -0,0 +1,33 @@
+-- Длина: метры ↔ футы, км ↔ мили
+local phrase = (jarvis.context.phrase or ""):lower()
+local n_str = phrase:match("([%d%.,]+)")
+if not n_str then return jarvis.cmd.error("Не понял число.") end
+local n = tonumber((n_str:gsub(",", ".")))
+if not n then return jarvis.cmd.error("Не понял число.") end
+
+-- detect "in" target — "в футы" / "в метры" / "в км" / "в мили"
+-- and source from before "в" or from common units in phrase
+local result, unit_out
+
+if phrase:find("в фут") or phrase:find("to feet") then
+    -- meters → feet
+    result = n * 3.28084
+    unit_out = result < 2 and "фут" or (result < 5 and "фута" or "футов")
+elseif phrase:find("в метр") or phrase:find("to meters") then
+    -- feet → meters
+    result = n / 3.28084
+    unit_out = "метров"
+elseif phrase:find("в милях") or phrase:find("в миль") or phrase:find("to miles") then
+    -- km → miles
+    result = n * 0.621371
+    unit_out = result < 2 and "миля" or (result < 5 and "мили" or "миль")
+elseif phrase:find("в километр") or phrase:find("в км") or phrase:find("to km") then
+    -- miles → km
+    result = n * 1.60934
+    unit_out = "километров"
+else
+    return jarvis.cmd.error("Скажите в чём перевести: в метры/футы/км/мили.")
+end
+
+local rounded = math.floor(result * 100 + 0.5) / 100
+return jarvis.cmd.ok(string.format("%g %s.", rounded, unit_out))
diff --git a/resources/commands/unit_convert/speed.lua b/resources/commands/unit_convert/speed.lua
new file mode 100644
index 0000000..3f9f95f
--- /dev/null
+++ b/resources/commands/unit_convert/speed.lua
@@ -0,0 +1,21 @@
+-- Скорость: км/ч ↔ миль/ч
+local phrase = (jarvis.context.phrase or ""):lower()
+local n_str = phrase:match("([%d%.,]+)")
+if not n_str then return jarvis.cmd.error("Не понял число.") end
+local n = tonumber((n_str:gsub(",", ".")))
+if not n then return jarvis.cmd.error("Не понял число.") end
+
+local result, unit_out
+
+if phrase:find("в милях") or phrase:find("в миль") or phrase:find("to mph") then
+    result = n * 0.621371
+    unit_out = "миль в час"
+elseif phrase:find("в кмч") or phrase:find("в км в час") or phrase:find("в километров") or phrase:find("to kmh") then
+    result = n * 1.60934
+    unit_out = "километров в час"
+else
+    return jarvis.cmd.error("Скажите: в милях в час или в км в час.")
+end
+
+local rounded = math.floor(result + 0.5)
+return jarvis.cmd.ok(string.format("%d %s.", rounded, unit_out))
diff --git a/resources/commands/unit_convert/temperature.lua b/resources/commands/unit_convert/temperature.lua
new file mode 100644
index 0000000..6482400
--- /dev/null
+++ b/resources/commands/unit_convert/temperature.lua
@@ -0,0 +1,21 @@
+-- Температура: Цельсий ↔ Фаренгейт
+local phrase = (jarvis.context.phrase or ""):lower()
+local n_str = phrase:match("(%-?[%d%.,]+)")
+if not n_str then return jarvis.cmd.error("Не понял число.") end
+local n = tonumber((n_str:gsub(",", ".")))
+if not n then return jarvis.cmd.error("Не понял число.") end
+
+local result, unit_out
+
+if phrase:find("в фаренгейт") or phrase:find("to fahrenheit") then
+    result = n * 9.0 / 5.0 + 32.0
+    unit_out = "по Фаренгейту"
+elseif phrase:find("в цельси") or phrase:find("to celsius") then
+    result = (n - 32.0) * 5.0 / 9.0
+    unit_out = "по Цельсию"
+else
+    return jarvis.cmd.error("Скажите в чём перевести: в фаренгейт или в цельсий.")
+end
+
+local rounded = math.floor(result * 10 + 0.5) / 10
+return jarvis.cmd.ok(string.format("%g градусов %s.", rounded, unit_out))
diff --git a/resources/commands/unit_convert/weight.lua b/resources/commands/unit_convert/weight.lua
new file mode 100644
index 0000000..60f89c9
--- /dev/null
+++ b/resources/commands/unit_convert/weight.lua
@@ -0,0 +1,23 @@
+-- Вес: кг ↔ фунты
+local phrase = (jarvis.context.phrase or ""):lower()
+local n_str = phrase:match("([%d%.,]+)")
+if not n_str then return jarvis.cmd.error("Не понял число.") end
+local n = tonumber((n_str:gsub(",", ".")))
+if not n then return jarvis.cmd.error("Не понял число.") end
+
+local result, unit_out
+
+if phrase:find("в фунт") or phrase:find("to pound") then
+    -- kg → lbs
+    result = n * 2.20462
+    unit_out = result < 2 and "фунт" or (result < 5 and "фунта" or "фунтов")
+elseif phrase:find("в кг") or phrase:find("в килограм") or phrase:find("to kg") then
+    -- lbs → kg
+    result = n / 2.20462
+    unit_out = "килограмм"
+else
+    return jarvis.cmd.error("Скажите в чём перевести: в фунты или в кг.")
+end
+
+local rounded = math.floor(result * 100 + 0.5) / 100
+return jarvis.cmd.ok(string.format("%g %s.", rounded, unit_out))