From f34de4c075f9e5b74ec1c1d1d3d05912cf09278c Mon Sep 17 00:00:00 2001
From: YueGuobin <yueguobin@outlook.com>
Date: Thu, 4 Jun 2026 23:53:03 +0800
Subject: [PATCH] fix: remove console_host/port from get_node_console_info

Return only ws_url + websocat command to avoid LLM misinterpreting
direct telnet connection.
---
 gns3server/api/routes/mcp/__init__.py |  2 +-
 gns3server/api/routes/mcp/nodes.py    | 17 ++++++++---------
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/gns3server/api/routes/mcp/__init__.py b/gns3server/api/routes/mcp/__init__.py
index 313aafcb4..92eb79fe2 100644
--- a/gns3server/api/routes/mcp/__init__.py
+++ b/gns3server/api/routes/mcp/__init__.py
@@ -283,7 +283,7 @@ async def update_node(project_id: str, node_id: str, **kwargs: Any) -> list[dict
 
 @mcp.tool()
 async def get_node_console_info(project_id: str, node_id: str) -> list[dict[str, Any]]:
-    """Get console connection info for a node (host, port, type, and suggested command).
+    """Get console WebSocket URL for a node (use websocat to connect).
 
     Args:
         project_id: Project UUID
diff --git a/gns3server/api/routes/mcp/nodes.py b/gns3server/api/routes/mcp/nodes.py
index b2839a90e..7fef57021 100644
--- a/gns3server/api/routes/mcp/nodes.py
+++ b/gns3server/api/routes/mcp/nodes.py
@@ -144,20 +144,19 @@ def get_node_console_info_handler(params: dict[str, Any], gns3_ctx: dict[str, An
         return {"error": "project_id and node_id are required"}
     conn = _get_connector(gns3_ctx)
     node = conn.get_node(project_id=project_id, node_id=node_id)
+
     console_type = node.get("console_type", "unknown")
+    ws_url = f"{gns3_ctx['server_url']}/v3/projects/{project_id}/nodes/{node_id}/console/ws?token={gns3_ctx['jwt_token']}"
+
     result = {
         "node_id": node_id,
         "node_name": node.get("name"),
         "console_type": console_type,
-        "console_host": node.get("console_host"),
-        "console_port": node.get("console"),
+        "ws_url": ws_url,
+        "command": f"websocat {ws_url}",
     }
-    if console_type == "telnet":
-        result["command"] = f"telnet {node.get('console_host')} {node.get('console')}"
-    elif console_type in ("vnc",):
-        result["command"] = f"vncviewer {node.get('console_host')}::{node.get('console')}"
-    elif console_type in ("http", "https"):
-        result["url"] = f"{console_type}://{node.get('console_host')}:{node.get('console')}"
+    if console_type in ("vnc",):
+        result["vnc_url"] = f"/v3/projects/{project_id}/nodes/{node_id}/console/vnc?token={gns3_ctx['jwt_token']}"
     return result
 
 
@@ -289,7 +288,7 @@ NODE_TOOLS = [
     },
     {
         "name": "get_node_console_info",
-        "description": "Get console connection info for a node (host, port, type, and suggested command)",
+        "description": "Get console WebSocket URL for a node (use websocat to connect)",
         "parameters": {
             "type": "object",
             "properties": {