diff --git a/superset/mcp_service/explore/tool/generate_explore_link.py b/superset/mcp_service/explore/tool/generate_explore_link.py
index 611659792c1..a2deefbb272 100644
--- a/superset/mcp_service/explore/tool/generate_explore_link.py
+++ b/superset/mcp_service/explore/tool/generate_explore_link.py
@@ -94,6 +94,11 @@ async def generate_explore_link(
         # Map config to form_data using shared utilities
         form_data = map_config_to_form_data(request.config)
 
+        # Add datasource to form_data for consistency with generate_chart
+        # Only set if not already present to avoid overwriting
+        if "datasource" not in form_data:
+            form_data["datasource"] = f"{request.dataset_id}__table"
+
         await ctx.debug(
             "Form data generated with keys: %s, has_viz_type=%s, has_datasource=%s"
             % (
diff --git a/tests/unit_tests/mcp_service/explore/tool/test_generate_explore_link.py b/tests/unit_tests/mcp_service/explore/tool/test_generate_explore_link.py
index 0769844538e..04a249cd9fa 100644
--- a/tests/unit_tests/mcp_service/explore/tool/test_generate_explore_link.py
+++ b/tests/unit_tests/mcp_service/explore/tool/test_generate_explore_link.py
@@ -683,3 +683,5 @@ class TestGenerateExploreLink:
             assert isinstance(result.data["form_data"], dict)
             assert result.data["form_data"].get("viz_type") == "echarts_timeseries_line"
             assert result.data["form_data"].get("x_axis") == "date"
+            # Verify datasource field format: "{dataset_id}__table"
+            assert result.data["form_data"].get("datasource") == "1__table"