diff --git a/lua/pending/init.lua b/lua/pending/init.lua
index 0fd3a98..4e093bf 100644
--- a/lua/pending/init.lua
+++ b/lua/pending/init.lua
@@ -918,22 +918,33 @@ function M.edit(id_str, rest)
   log.info('Task #' .. id .. ' updated: ' .. table.concat(feedback, ', '))
 end
 
+---@param args? string
 ---@return nil
-function M.auth()
+function M.auth(args)
   local oauth = require('pending.sync.oauth')
-  vim.ui.select({ 'Google Tasks', 'Google Calendar', 'Google Tasks and Google Calendar' }, {
-    prompt = 'Authenticate with:',
-  }, function(choice)
-    if not choice then
-      return
-    end
+  local parts = {}
+  for w in (args or ''):gmatch('%S+') do
+    table.insert(parts, w)
+  end
+  local action = parts[#parts]
+  if action == parts[1] and (action == 'gtasks' or action == 'gcal') then
+    action = nil
+  end
+
+  if action == 'clear' then
+    oauth.google_client:clear_tokens()
+    log.info('OAuth tokens cleared — run :Pending auth to re-authenticate.')
+  elseif action == 'reset' then
+    oauth.google_client:_wipe()
+    log.info('OAuth tokens and credentials cleared — run :Pending auth to set up from scratch.')
+  else
     local creds = oauth.google_client:resolve_credentials()
     if creds.client_id == oauth.BUNDLED_CLIENT_ID then
       oauth.google_client:setup()
     else
       oauth.google_client:auth()
     end
-  end)
+  end
 end
 
 ---@param args string
@@ -952,7 +963,7 @@ function M.command(args)
     local id_str, edit_rest = rest:match('^(%S+)%s*(.*)')
     M.edit(id_str, edit_rest)
   elseif cmd == 'auth' then
-    M.auth()
+    M.auth(rest)
   elseif SYNC_BACKEND_SET[cmd] then
     local action = rest:match('^(%S+)')
     run_sync(cmd, action)