feat(mcp): add remove_chart_from_dashboard tool

superset/mcp_service/app.py

@@ -133,6 +133,7 @@ def get_default_instructions(
 - duplicate_dashboard: Duplicate an existing dashboard, optionally deep-copying its charts (requires write access)
 - add_chart_to_existing_dashboard: Add a chart to an existing dashboard (requires write access)
 - manage_native_filters: Add, update, remove, or reorder native filters on a dashboard (requires write access; supports filter_select and filter_time)
+- remove_chart_from_dashboard: Remove a chart from an existing dashboard (requires write access)
 
 Annotation Layers:
 - list_annotation_layers: List annotation layers with advanced filters (1-based pagination)
@@ -428,7 +429,8 @@ def get_default_instructions(
   charts, or dashboards). SQL execution is a separate permission — see execute_sql below.
 - Write tools (generate_chart, generate_dashboard, update_chart, duplicate_dashboard,
   create_dataset, create_virtual_dataset, save_sql_query, add_chart_to_existing_dashboard,
-  manage_native_filters, update_chart_preview) require write
+  manage_native_filters, remove_chart_from_dashboard,
+  update_chart_preview) require write
   permissions. These tools are only listed for users who have the necessary access.
   If a write tool does not appear in the tool list, the current user lacks write access.
 - execute_sql requires SQL Lab access (execute_sql_query permission), which is separate
@@ -700,6 +702,7 @@ def create_mcp_app(
     get_dashboard_layout,
     list_dashboards,
     manage_native_filters,
+    remove_chart_from_dashboard,
     update_dashboard,
 )
 from superset.mcp_service.database.tool import (  # noqa: F401, E402

superset/mcp_service/dashboard/schemas.py

@@ -614,6 +614,58 @@ def sanitize_error_for_llm_context(cls, value: str | None) -> str | None:
         return sanitize_for_llm_context(value, field_path=("error",))
 
 
+class RemoveChartFromDashboardRequest(BaseModel):
+    """Request schema for removing a chart from an existing dashboard."""
+
+    dashboard_id: int = Field(
+        ..., description="ID of the dashboard to remove the chart from"
+    )
+    chart_id: int = Field(
+        ..., description="ID of the chart to remove from the dashboard"
+    )
+
+
+class RemoveChartFromDashboardResponse(BaseModel):
+    """Response schema for removing a chart from a dashboard."""
+
+    dashboard: DashboardInfo | None = Field(
+        None, description="The updated dashboard info, if successful"
+    )
+    dashboard_url: str | None = Field(
+        None, description="URL to view the updated dashboard"
+    )
+    removed_layout_keys: list[str] = Field(
+        default_factory=list,
+        description=(
+            "Layout component IDs that were removed from position_json "
+            "(the CHART components plus any ROW/COLUMN containers that "
+            "became empty as a result)."
+        ),
+    )
+    error: str | None = Field(None, description="Error message, if operation failed")
+    permission_denied: bool = Field(
+        default=False,
+        description=(
+            "True when the operation failed because the current user does not "
+            "have edit rights on the target dashboard. When True, inform the "
+            "user — do NOT attempt a workaround without confirming first."
+        ),
+    )
+
+    @field_validator("error")
+    @classmethod
+    def sanitize_error_for_llm_context(cls, value: str | None) -> str | None:
+        """Wrap error text before it is exposed to LLM context.
+
+        The error may echo dashboard-controlled text (e.g. the dashboard
+        title), which must be wrapped so the LLM treats it as data, not
+        instructions.
+        """
+        if value is None:
+            return value
+        return sanitize_for_llm_context(value, field_path=("error",))
+
+
 class GenerateDashboardRequest(BaseModel):
     """Request schema for generating a dashboard."""
 

superset/mcp_service/dashboard/tool/__init__.py

@@ -22,6 +22,7 @@
 from .get_dashboard_layout import get_dashboard_layout
 from .list_dashboards import list_dashboards
 from .manage_native_filters import manage_native_filters
+from .remove_chart_from_dashboard import remove_chart_from_dashboard
 from .update_dashboard import update_dashboard
 
 __all__ = [
@@ -32,5 +33,6 @@
     "duplicate_dashboard",
     "add_chart_to_existing_dashboard",
     "manage_native_filters",
+    "remove_chart_from_dashboard",
     "update_dashboard",
 ]