diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 8b6fcc0c..85ec9dcb 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -5,7 +5,8 @@
       "Bash(dir:*)",
       "Bash(findstr:*)",
       "Bash(find:*)",
-      "Bash(python:*)"
+      "Bash(python:*)",
+      "Bash(git checkout:*)"
     ]
   }
 }
diff --git a/src/controller/blueski/messages.py b/src/controller/blueski/messages.py
index 56a60e63..a9faa958 100644
--- a/src/controller/blueski/messages.py
+++ b/src/controller/blueski/messages.py
@@ -9,6 +9,7 @@ import output
 import widgetUtils
 from controller import messages as base_messages
 from wxUI.dialogs.blueski import postDialogs
+from extra.autocompletionUsers import completion
 
 # Translation function is provided globally by TWBlue's language handler (_)
 
@@ -99,6 +100,9 @@ logger.info("Blueski messages module loaded (placeholders).")
 
 
 class post(base_messages.basicMessage):
+    # Bluesky character limit
+    MAX_CHARS = 300
+
     def __init__(self, session: Any, title: str, caption: str, text: str = "", *args, **kwargs):
         self.session = session
         self.title = title
@@ -108,12 +112,29 @@ class post(base_messages.basicMessage):
             self.message.text.SetInsertionPoint(len(self.message.text.GetValue()))
         except Exception:
             pass
+        # Connect events for text processing and buttons
+        widgetUtils.connect_event(self.message.text, widgetUtils.ENTERED_TEXT, self.text_processor)
+        widgetUtils.connect_event(self.message.spoiler, widgetUtils.ENTERED_TEXT, self.text_processor)
+        widgetUtils.connect_event(self.message.spellcheck, widgetUtils.BUTTON_PRESSED, self.spellcheck)
+        widgetUtils.connect_event(self.message.translate, widgetUtils.BUTTON_PRESSED, self.translate)
+        widgetUtils.connect_event(self.message.autocomplete_users, widgetUtils.BUTTON_PRESSED, self.autocomplete_users)
+        # Initial text processing to show character count
+        self.text_processor()
 
     def get_data(self):
         return self.message.get_payload()
 
-    def text_processor(self):
-        pass
+    def text_processor(self, *args, **kwargs):
+        text = self.message.text.GetValue()
+        cw = self.message.spoiler.GetValue() if self.message.spoiler.IsEnabled() else ""
+        char_count = len(text) + len(cw)
+        self.message.SetTitle(_("%s - %s of %d characters") % (self.title, char_count, self.MAX_CHARS))
+        if char_count > self.MAX_CHARS:
+            self.session.sound.play("max_length.ogg")
+
+    def autocomplete_users(self, *args, **kwargs):
+        c = completion.autocompletionUsers(self.message, self.session.session_id)
+        c.show_menu()
 
 
 def _g(obj: Any, key: str, default: Any = None) -> Any:
diff --git a/src/wxUI/dialogs/blueski/postDialogs.py b/src/wxUI/dialogs/blueski/postDialogs.py
index 6346a1a0..8f552447 100644
--- a/src/wxUI/dialogs/blueski/postDialogs.py
+++ b/src/wxUI/dialogs/blueski/postDialogs.py
@@ -49,6 +49,16 @@ class Post(wx.Dialog):
         lang_row.Add(self.lang_choice, 0, wx.ALIGN_CENTER_VERTICAL)
         main_sizer.Add(lang_row, 0, wx.LEFT | wx.RIGHT | wx.BOTTOM, 6)
 
+        # Text actions (spellcheck, translate, autocomplete)
+        text_actions_sizer = wx.BoxSizer(wx.HORIZONTAL)
+        self.autocomplete_users = wx.Button(self, wx.ID_ANY, _("Auto&complete users"))
+        text_actions_sizer.Add(self.autocomplete_users, 0, wx.ALL, 2)
+        self.spellcheck = wx.Button(self, wx.ID_ANY, _("Check &spelling"))
+        text_actions_sizer.Add(self.spellcheck, 0, wx.ALL, 2)
+        self.translate = wx.Button(self, wx.ID_ANY, _("&Translate"))
+        text_actions_sizer.Add(self.translate, 0, wx.ALL, 2)
+        main_sizer.Add(text_actions_sizer, 0, wx.LEFT | wx.RIGHT | wx.BOTTOM, 6)
+
         # Buttons
         btn_sizer = wx.StdDialogButtonSizer()
         self.send = wx.Button(self, wx.ID_OK, _("Send"))