diff --git a/src/component/gsc.cpp b/src/component/gsc.cpp
index ff56063..25ffa00 100644
--- a/src/component/gsc.cpp
+++ b/src/component/gsc.cpp
@@ -416,6 +416,22 @@ namespace gsc
 				return {};
 			});
 
+			method::add("isbot", [](const game::scr_entref_t ent, const function_args& args) -> scripting::script_value
+			{
+				if (ent.classnum != 0)
+				{
+					throw std::runtime_error("Invalid entity");
+				}
+
+				const auto client = ent.entnum;
+				if (game::g_entities[client].client == nullptr)
+				{
+					throw std::runtime_error("entity is not a player");
+				}
+
+				return game::svs_clients[client].bIsTestClient;
+			});
+
 			utils::hook::jump(0x56C8EB, call_builtin_stub);
 			utils::hook::jump(0x56CBDC, call_builtin_method_stub);
 		}
diff --git a/src/game/structs.hpp b/src/game/structs.hpp
index a4c5e14..a67cc97 100644
--- a/src/game/structs.hpp
+++ b/src/game/structs.hpp
@@ -327,4 +327,15 @@ namespace game
 		int flags;
 		char __pad2[0xEC];
 	};
+
+	struct client_s
+	{
+		char __pad0[0x41CB2];
+		unsigned __int16 scriptId; // 269490
+		int bIsTestClient; // 269492
+		int serverId; // 269496
+		char __pad1[0x369DC];
+	};
+
+	static_assert(sizeof(client_s) == 0x78698);
 }
\ No newline at end of file
diff --git a/src/game/symbols.hpp b/src/game/symbols.hpp
index 3a2116e..1b06746 100644
--- a/src/game/symbols.hpp
+++ b/src/game/symbols.hpp
@@ -79,6 +79,8 @@ namespace game
 	WEAK symbol<gentity_s> g_entities{0x1A66E28};
 	WEAK symbol<unsigned int> levelEntityId{0x208E1A4};
 
+	WEAK symbol<client_s> svs_clients{0x4B5CF90};
+
 	namespace plutonium
 	{
 		WEAK symbol<std::unordered_map<std::string, std::uint16_t>> function_map_rev{0x20693038};