diff --git a/.github/workflows/windows-build.yml b/.github/workflows/windows-build.yml
index de41dfd8..2c78cb29 100644
--- a/.github/workflows/windows-build.yml
+++ b/.github/workflows/windows-build.yml
@@ -56,6 +56,11 @@ jobs:
           pip install -r requirements.txt
           pip install pyinstaller==5.5
 
+      - name: Install configurator dependencies
+        working-directory: backend/configurator
+        run: |
+          pip install -r requirements.txt
+
       - name: Install fastapi dependencies
         working-directory: backend/fastapi
         run: |
@@ -79,6 +84,10 @@ jobs:
         working-directory: backend/windows-runner
         run: pyinstaller --onefile --name dcef windows-runner.py --icon=icon.ico
 
+      - name: Build configurator executable with pyinstaller
+        working-directory: backend/configurator
+        run: pyinstaller --onefile --name configurator main.py
+
       - name: Install http-server
         working-directory: backend/http-server
         run: npm install
@@ -101,6 +110,7 @@ jobs:
           cp backend\mongodb\msvcp140.dll build\dcef\backend\mongodb\msvcp140.dll
           cp backend\http-server\http-server.exe build\dcef\backend\http-server\http-server.exe
           cp backend\windows-runner\dist\dcef.exe build\dcef.exe
+          cp backend\configurator\dist\configurator.exe build\configurator.exe
           Copy-Item -Path release\exports\* -Destination build\exports -Recurse
           cp release\registry_tweaks\change_260_character_path_limit_to_32767.reg build\registry_tweaks\change_260_character_path_limit_to_32767.reg
           cp release\registry_tweaks\restore_260_character_path_limit.reg build\registry_tweaks\restore_260_character_path_limit.reg
diff --git a/Dockerfile b/Dockerfile
index f54f06b0..ad99cd38 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,7 @@ COPY /backend/nginx/conf/nginx-docker.conf /dcef/backend/nginx/conf/nginx-docker
 COPY --from=build /app/build/ ./frontend/
 COPY backend/preprocess/ ./backend/preprocess/
 COPY backend/fastapi/ ./backend/fastapi/
+COPY backend/configurator/main.py ./configurator.py
 COPY backend/docker/run_container.sh ./run_container.sh
 RUN chmod 777 /dcef/run_container.sh
 EXPOSE 21011
diff --git a/Dockerfile.rpi4b b/Dockerfile.rpi4b
index aee352d8..118d4a0a 100644
--- a/Dockerfile.rpi4b
+++ b/Dockerfile.rpi4b
@@ -45,6 +45,7 @@ COPY /backend/nginx/conf/nginx-docker.conf /dcef/backend/nginx/conf/nginx-docker
 COPY --from=build /app/build/ ./frontend/
 COPY backend/preprocess/ ./backend/preprocess/
 COPY backend/fastapi/ ./backend/fastapi/
+COPY backend/configurator/main.py ./configurator.py
 COPY backend/docker/run_container.sh ./run_container.sh
 RUN chmod 777 /dcef/run_container.sh
 EXPOSE 21011
diff --git a/backend/configurator/main.py b/backend/configurator/main.py
new file mode 100644
index 00000000..49f97a17
--- /dev/null
+++ b/backend/configurator/main.py
@@ -0,0 +1,188 @@
+import pymongo
+
+URI = "mongodb://127.0.0.1:27017"
+client = pymongo.MongoClient(URI)
+db = client["dcef"]
+collection_guilds = db["guilds"]
+collection_config = db["config"]
+
+def pad_id(id):
+	if id == None:
+		return None
+	return str(id).zfill(24)
+
+def get_guilds():
+    return collection_guilds.find().sort("msg_count", pymongo.DESCENDING)
+
+def get_whitelisted_guild_ids():
+	whitelisted_guild_ids = collection_config.find_one({"key": "whitelisted_guild_ids"})["value"]
+	whitelisted_guild_ids = [pad_id(id) for id in whitelisted_guild_ids]
+	return whitelisted_guild_ids
+
+def get_blacklisted_user_ids():
+    blacklisted_user_ids = collection_config.find_one({"key": "blacklisted_user_ids"})["value"]
+    blacklisted_user_ids = [pad_id(id) for id in blacklisted_user_ids]
+    return blacklisted_user_ids
+
+def set_whitelisted_guild_ids(whitelisted_guild_ids):
+    print("Applying whitelisted guild ids...")
+    collection_config.update_one({"key": "whitelisted_guild_ids"}, {"$set": {"value": whitelisted_guild_ids}})
+    if len(whitelisted_guild_ids) == 0:
+        print("all guilds are now whitelisted")
+    else:
+        print(f"whitelisted {len(whitelisted_guild_ids)} guilds")
+    print("")
+
+def set_blacklisted_user_ids(blacklisted_user_ids):
+    print("Applying blacklisted user ids...")
+    collection_config.update_one({"key": "blacklisted_user_ids"}, {"$set": {"value": blacklisted_user_ids}})
+    if len(blacklisted_user_ids) == 0:
+        print("no users are blacklisted")
+    else:
+        print(f"{len(blacklisted_user_ids)} users are now blacklisted")
+
+def resolve_user_id(user_id):
+    user_id = pad_id(user_id)
+    guilds = list(get_guilds())
+    for guild in guilds:
+        authors_collection_name = f"g{pad_id(guild['_id'])}_authors"
+        authors_collection = db[authors_collection_name]
+
+        user = authors_collection.find_one({"_id": user_id})
+        if user != None:
+            return user['names'] + user['nicknames']
+
+def menu_whitelist():
+    guilds = list(get_guilds())
+    whitelisted_ids = get_whitelisted_guild_ids()
+    whitelisted_ids = [id for id in whitelisted_ids if id in [guild['_id'] for guild in guilds]]  # remove invalid ids
+    while True:
+        print("choice | action           | whitelist status | guild_name")
+        print("-------|------------------|------------------|--------------------------")
+        print("CTRL+C | back             | -                | -                        ")
+        for i, guild in enumerate(guilds):
+            is_whitelisted = guild['_id'] in whitelisted_ids
+            whitelisted_status = ""
+            if is_whitelisted:
+                whitelisted_status = "whitelisted    "
+            elif len(whitelisted_ids) == 0:
+                whitelisted_status = "not-configured "
+            else:
+                whitelisted_status = "not-whitelisted"
+            print(f"{str(i).ljust(6)} | toggle whitelist | {whitelisted_status}  | {guild['name']}")
+        try:
+            index = int(input(f"Index of guild to toggle whitelist status (0-{len(guilds)-1}): "))
+            guild_id = guilds[index]['_id']
+            if guild_id in whitelisted_ids:
+                whitelisted_ids.remove(guild_id)
+            else:
+                whitelisted_ids.append(guild_id)
+
+            set_whitelisted_guild_ids(whitelisted_ids)
+
+        except ValueError:
+            print("Invalid input")
+            break
+
+        except KeyboardInterrupt:
+            print("\nExiting...")
+            break
+
+def menu_add_user_to_blacklist(blacklisted_user_ids):
+    while True:
+        try:
+            print("\n(right click profile picture in DCEF -> Copy author ID)")
+            user_id = input("User id: ")
+            user_id = pad_id(user_id)
+            user_names = resolve_user_id(user_id)
+            if user_names == None:
+                print("User not found")
+                continue
+
+            print("Found user:", ', '.join(user_names))
+            if user_id in blacklisted_user_ids:
+                print("This user is already blacklisted")
+                continue
+
+            blacklisted_user_ids.append(user_id)
+            set_blacklisted_user_ids(blacklisted_user_ids)
+            break
+
+        except KeyboardInterrupt:
+            print("\nExiting...")
+            break
+
+    return blacklisted_user_ids
+
+
+def menu_blacklist_users():
+    blacklisted_user_ids = list(get_blacklisted_user_ids())
+
+    while True:
+        print("")
+        print("choice | action                | user_id                  | also_known_as")
+        print("-------|-----------------------|--------------------------|--------------------------")
+        print("CTRL+C | back                  | -                        | -                        ")
+        print("0      | blacklist new user    | -                        | -                        ")
+        for i, user_id in enumerate(blacklisted_user_ids):
+            print(f"{str(i+1).ljust(5)}  | remove from blacklist | {user_id} | {', '.join(resolve_user_id(user_id))}")
+        try:
+            index = int(input(f"Choice (0-{len(blacklisted_user_ids)}): "))
+            if index == 0:
+                blacklisted_user_ids = menu_add_user_to_blacklist(blacklisted_user_ids)
+            else:
+                user_id = blacklisted_user_ids[index-1]
+                blacklisted_user_ids.remove(user_id)
+                set_blacklisted_user_ids(blacklisted_user_ids)
+                continue
+
+
+        except ValueError:
+            print("Invalid input")
+            break
+
+        except KeyboardInterrupt:
+            print("\nExiting...")
+            break
+
+def main():
+    print("\n")
+    print("############################")
+    print("# DCEF server configurator #")
+    print("############################")
+    print("(all changes are applied immediately)\n")
+
+    print("Connecting to mongo database (DCEF needs to be running)...")
+    try:
+        client.server_info()
+        print("Database is online\n")
+    except:
+        print("Database is offline. Run DCEF and try again\n")
+        return
+
+
+
+    while True:
+        print("choice | action")
+        print("-------|-----------------")
+        print("CTRL+C | exit            ")
+        print("0      | Whitelist server")
+        print("1      | Blacklist user  ")
+        print("")
+        try:
+            choice = int(input("Choice (0-1): "))
+            if choice == 0:
+                menu_whitelist()
+            elif choice == 1:
+                menu_blacklist_users()
+            else:
+                print("Invalid choice")
+        except ValueError:
+            print("Invalid choice")
+        except KeyboardInterrupt:
+            print("\nExiting...")
+            break
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/backend/configurator/requirements.txt b/backend/configurator/requirements.txt
new file mode 100644
index 00000000..a9b45b1f
--- /dev/null
+++ b/backend/configurator/requirements.txt
@@ -0,0 +1 @@
+pymongo==4.3.3
\ No newline at end of file
diff --git a/backend/fastapi/helpers.py b/backend/fastapi/helpers.py
index 025d1dd9..e12cbaf0 100644
--- a/backend/fastapi/helpers.py
+++ b/backend/fastapi/helpers.py
@@ -10,7 +10,6 @@ def pad_id(id):
 URI = "mongodb://127.0.0.1:27017"
 client = pymongo.MongoClient(URI)
 db = client["dcef"]
-collection_messages = db["messages"]
 collection_guilds = db["guilds"]
 collection_config = db["config"]