diff --git a/mc_aigod_paper.json b/mc_aigod_paper.json
index bb9b770..656f053 100644
--- a/mc_aigod_paper.json
+++ b/mc_aigod_paper.json
@@ -1,5 +1,6 @@
 {
   "server_name": "paper-ai-25567",
+  "server_type": "paper",
   "log_path": "/opt/paper-ai-25567/logs/latest.log",
   "rcon_host": "127.0.0.1",
   "rcon_port": 25577,
diff --git a/mc_aigod_paper.py b/mc_aigod_paper.py
index 75fd4f3..5d3bde4 100644
--- a/mc_aigod_paper.py
+++ b/mc_aigod_paper.py
@@ -767,6 +767,9 @@ def process_sudo_template_command(player: str, prompt: str, config) -> bool:
             return True
 
         if p.startswith("template build"):
+            if not get_server_capabilities(config).get("template_build", False):
+                _send_private(player, "[SUDO-TEMPLATE] template build requires a Paper server with WorldEdit/FAWE.", config, "yellow")
+                return True
             rest = raw[len("template build"):].strip()
             src = _resolve_template_file(rest, player, config)
             if not src:
@@ -1214,6 +1217,38 @@ def get_player_context(player: str, config) -> str:
 # LLM
 # ---------------------------------------------------------------------------
 
+# ---------------------------------------------------------------------------
+# Server type capability sets
+# ---------------------------------------------------------------------------
+
+SERVER_CAPABILITIES = {
+    "vanilla": {
+        "safe_prefixes": [
+            'give ', 'effect ', 'xp ', 'tp ', 'time ', 'weather ',
+            'execute ', 'kill ', 'summon ', 'tellraw ', 'worldborder ',
+        ],
+        "sudo_whitelist_note": "give, effect, xp, tp, time, weather, execute, kill, summon, tellraw, worldborder",
+        "template_build": False,
+    },
+    "paper": {
+        "safe_prefixes": [
+            'give ', 'effect ', 'xp ', 'tp ', 'time ', 'weather ',
+            'execute ', 'kill ', 'summon ', 'tellraw ', 'worldborder ',
+            'fill ', 'setblock ', 'clone ',
+        ],
+        "sudo_whitelist_note": "give, effect, xp, tp, time, weather, execute, kill, summon, tellraw, worldborder, fill, setblock, clone",
+        "template_build": True,
+    },
+}
+
+DEFAULT_SERVER_TYPE = "paper"
+
+
+def get_server_capabilities(config) -> dict:
+    server_type = str(config.get("server_type", DEFAULT_SERVER_TYPE)).lower().strip() if config else DEFAULT_SERVER_TYPE
+    return SERVER_CAPABILITIES.get(server_type, SERVER_CAPABILITIES[DEFAULT_SERVER_TYPE])
+
+
 COMMAND_PALETTE = """
 GIVE (any item, based on player need — see Item Naming Rules below):
   SYNTAX: give <player> minecraft:<item_id> <count>
@@ -1445,13 +1480,16 @@ COMMANDS_SYSTEM_PROMPT = (
     + ENCHANTMENT_CONTEXT
 )
 
-SUDO_COMMANDS_SYSTEM_PROMPT = (
+def build_sudo_commands_system_prompt(config=None) -> str:
+    caps = get_server_capabilities(config) if config else SERVER_CAPABILITIES[DEFAULT_SERVER_TYPE]
+    whitelist = caps["sudo_whitelist_note"]
+    return (
     "You are a Minecraft command translator. Convert a player's natural-language request into "
     "Minecraft server commands. You do NOT roleplay.\n\n"
     "Respond ONLY with valid JSON:\n"
     "{\"commands\": [\"cmd1\", \"cmd2\"]}\n\n"
     "Rules:\n"
-    "- Use commands from this whitelist only: give, effect, xp, tp, time, weather, execute, kill, summon, tellraw, worldborder, fill, setblock, clone.\n"
+    f"- Use commands from this whitelist only: {whitelist}.\n"
     "- If the request cannot be mapped safely, return commands: [].\n"
     "- If player says 'me' or 'my', target the requesting player.\n"
     "- You will receive LAST 10 SUDO ACTIONS. Use them for continuity and corrections when the player says previous output was wrong.\n"
@@ -1533,6 +1571,9 @@ FIRST_LOGIN_BENEVOLENCE_PROMPT = (
     "- Use only whitelisted command families: give, effect, xp, tp, time, weather, execute, kill, summon, tellraw, worldborder.\n"
 )
 
+# Keep backward-compatible alias using default (paper) config
+SUDO_COMMANDS_SYSTEM_PROMPT = build_sudo_commands_system_prompt()
+
 def build_message_system_prompt(config) -> str:
     base = (
         "You are God in a Minecraft server. You are benevolent but just. "
@@ -2000,8 +2041,10 @@ def validate_command(cmd, online_players, fallback_player, config=None):
         resolved = resolved[1:]
     resolved = fix_give_command(resolved)
     resolved = fix_effect_command(resolved)
-    if not any(resolved.startswith(p) for p in SAFE_PREFIXES):
-        log.warning(f"Command blocked (unknown prefix): {resolved}")
+    caps = get_server_capabilities(config) if config else SERVER_CAPABILITIES[DEFAULT_SERVER_TYPE]
+    prefixes = caps["safe_prefixes"]
+    if not any(resolved.startswith(p) for p in prefixes):
+        log.warning(f"Command blocked (unknown prefix for server_type={config.get('server_type', DEFAULT_SERVER_TYPE) if config else DEFAULT_SERVER_TYPE}): {resolved}")
         return resolved, False
     if config and _extract_tp_abs_xyz(resolved) and not _tp_inside_worldborder(resolved, config):
         log.warning(f"Command blocked (tp outside worldborder): {resolved}")
@@ -2336,7 +2379,7 @@ def process_sudo(player, prompt, config):
     def _local_sudo_translate() -> list:
         content = _llm_call(
             model=command_model,
-            system=SUDO_COMMANDS_SYSTEM_PROMPT,
+            system=build_sudo_commands_system_prompt(config),
             user=context_hint,
             config=config,
             fmt="json",