diff --git a/glm-acp-agent/agent.json b/glm-acp-agent/agent.json
index dabd7abf9..5f27ac4d8 100644
--- a/glm-acp-agent/agent.json
+++ b/glm-acp-agent/agent.json
@@ -2,7 +2,7 @@
   "id": "glm-acp-agent",
   "name": "GLM Agent",
   "version": "1.6.1",
-  "description": "ACP agent powered by Zhipu AI's GLM Coding Plan models (glm-5.1, glm-5-turbo, glm-4.7, glm-4.5-air). Supports streaming, tool calls, mid-session model switching, image input via Z.AI Coding Plan Vision MCP, and session load/fork/resume with on-disk persistence.",
+  "description": "ACP agent powered by Z.AI / Zhipu AI GLM Coding Plan models (glm-5.3, glm-5-turbo, glm-4.7). Supports streaming, tool calls, mid-session model switching, thought_level config for reasoning effort, image input via Z.AI Coding Plan Vision MCP, and session load/fork/resume with on-disk persistence.",
   "repository": "https://github.com/stefandevo/glm-acp-agent",
   "authors": [
     "Stefan de Vogelaere"