diff --git a/lua/chai/commands.lua b/lua/chai/commands.lua
new file mode 100644
index 0000000..1d388ca
--- /dev/null
+++ b/lua/chai/commands.lua
@@ -0,0 +1,14 @@
+local M = {}
+
+local function chai_command()
+    -- TODO: open main Chai buffer
+    -- TODO: add Chai command system (so `:Chai current pr#18 close` closes PR number 18 on current repo)
+    -- TODO: add smth like `:Chai https://git.kpgpmc.org/furkromek/chai.nvim/issues` opens issues on that repo
+    print('TODO: open main Chai buffer')
+end
+
+function M.setup()
+    vim.api.nvim_create_user_command('Chai', chaiCommand, { desc = "Open Chai menu" })
+end
+
+return M
diff --git a/lua/chai/init.lua b/lua/chai/init.lua
index 74d3923..75d9a41 100644
--- a/lua/chai/init.lua
+++ b/lua/chai/init.lua
@@ -1,11 +1,16 @@
 local M = {}
 
 local config = require('chai.config')
+local commands = require('chai.commands')
 
 --- initializes chai.nvim plugin
 ---@param opts any plugin options
 function M.setup(opts)
+    -- set up configuration
     config.setup(opts)
+
+    -- add commands
+    commands.setup()
 end
 
 return M