Add code-workspace for blueprintmcp. Add mcp-test.py

Integration.code-workspace.tpl.json

@@ -134,6 +134,25 @@
                 }
             },
             "append2" : [
+                {
+                    "name": "BlueprintMCP Commandlet",
+                    "request": "launch",
+                    "program": "[UNREALENGINE]/Engine/Binaries/Linux/UnrealEditor-Linux-[DEBUG]-Cmd",
+                    "preLaunchTask": "python3 build.py c++",
+                    "args": [
+                        "[INTEGRATION]/Integration.uproject",
+                        "-userdir=User/[USER]",
+                        "-run=BlueprintMCP",
+                        "-unattended"
+                    ],
+                    "cwd": "[INTEGRATION]",
+                    "type": "lldb",
+                    "console": "integratedTerminal",
+                    "initCommands": [
+                        "command script import [UNREALENGINE]/Engine/Extras/LLDBDataFormatters/UEDataFormatters_2ByteChars.py",
+                        "settings set target.inline-breakpoint-strategy always"
+                    ]
+                },
                 {
                     "name": "Luprex Server",
                     "request": "launch",

tools/mcp-test.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+"""
+Human-friendly MCP test client.
+
+Usage: mcp-test.py ShowCommands
+       mcp-test.py ListBlueprintAssets filter=lx
+       mcp-test.py ShowCommands verbose=true
+"""
+
+import sys
+import json
+import socket
+
+HOST = "localhost"
+PORT = 9847
+TIMEOUT = 120
+
+def main():
+    args = sys.argv[1:]
+    if not args:
+        print("Usage: mcp-test.py ShowCommands [key=value ...]")
+        sys.exit(1)
+
+    msg = {"command": args[0]}
+    for arg in args[1:]:
+        key, _, value = arg.partition("=")
+        if value.lower() == "true":
+            value = True
+        elif value.lower() == "false":
+            value = False
+        else:
+            try:
+                value = int(value)
+            except ValueError:
+                pass
+        msg[key] = value
+
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.settimeout(TIMEOUT)
+    try:
+        sock.connect((HOST, PORT))
+    except (ConnectionRefusedError, socket.timeout, OSError) as e:
+        print(f"Cannot connect to {HOST}:{PORT} — is the editor running?")
+        sys.exit(1)
+
+    sock.sendall((json.dumps(msg) + "\n").encode())
+
+    result = b""
+    while True:
+        chunk = sock.recv(65536)
+        if not chunk:
+            break
+        result += chunk
+        if b"\0" in result:
+            break
+
+    sock.close()
+    result = result[:result.index(b"\0")].decode() if b"\0" in result else result.decode()
+
+    try:
+        parsed = json.loads(result)
+        print(json.dumps(parsed, indent=2))
+    except json.JSONDecodeError:
+        print(result)
+
+if __name__ == "__main__":
+    main()