feat: add validation for missing name parameter in tools/call requests

mempalace/mcp_server.py

@@ -2007,6 +2007,12 @@ def handle_request(request):
             },
         }
     elif method == "tools/call":
+        if not isinstance(params, dict) or "name" not in params:
+            return {
+                "jsonrpc": "2.0",
+                "id": req_id,
+                "error": {"code": -32602, "message": "Invalid params: 'name' is required for tools/call"},
+            }
         tool_name = params.get("name")
         tool_args = params.get("arguments") or {}
         if tool_name not in TOOLS:

tests/test_mcp_server.py

@@ -148,6 +148,20 @@ class TestHandleRequest:
         )
         assert resp["error"]["code"] == -32601
 
+    def test_tools_call_missing_params(self):
+        from mempalace.mcp_server import handle_request
+
+        for bad_params in [None, {}, {"arguments": {}}]:
+            resp = handle_request(
+                {
+                    "method": "tools/call",
+                    "id": 15,
+                    "params": bad_params,
+                }
+            )
+            assert resp["error"]["code"] == -32602
+            assert "Invalid params" in resp["error"]["message"]
+
     def test_unknown_method(self):
         from mempalace.mcp_server import handle_request