delete_workflow_activity

Remove an activity from a ServiceNow workflow to update process automation or correct configuration errors.

Instructions

Delete an activity from a workflow

Input Schema

TableJSON Schema

Name	Required	Description	Default
`activity_id`	Yes	Activity ID or sys_id

Implementation Reference

src/servicenow_mcp/tools/workflow_tools.py:843-891 (handler)

The main handler function that implements the logic for deleting a workflow activity by making a DELETE request to the ServiceNow wf_activity table endpoint.

def delete_workflow_activity(
    auth_manager: AuthManager,
    server_config: ServerConfig,
    params: Dict[str, Any],
) -> Dict[str, Any]:
    """
    Delete an activity from a workflow.
    
    Args:
        auth_manager: Authentication manager
        server_config: Server configuration
        params: Parameters for deleting a workflow activity
        
    Returns:
        Dict[str, Any]: Result of the deletion operation
    """
    # Unwrap parameters if needed
    params = _unwrap_params(params, DeleteWorkflowActivityParams)
    
    # Get the correct auth_manager and server_config
    try:
        auth_manager, server_config = _get_auth_and_config(auth_manager, server_config)
    except ValueError as e:
        logger.error(f"Error getting auth and config: {e}")
        return {"error": str(e)}
    
    activity_id = params.get("activity_id")
    if not activity_id:
        return {"error": "Activity ID is required"}
    
    # Make the API request
    try:
        headers = auth_manager.get_headers()
        url = f"{server_config.instance_url}/api/now/table/wf_activity/{activity_id}"
        
        response = requests.delete(url, headers=headers)
        response.raise_for_status()
        
        return {
            "message": "Activity deleted successfully",
            "activity_id": activity_id,
        }
    except requests.RequestException as e:
        logger.error(f"Error deleting workflow activity: {e}")
        return {"error": str(e)}
    except Exception as e:
        logger.error(f"Unexpected error deleting workflow activity: {e}")
        return {"error": str(e)}

src/servicenow_mcp/tools/workflow_tools.py:107-111 (schema)

Pydantic BaseModel defining the input schema for the delete_workflow_activity tool, requiring an activity_id.

class DeleteWorkflowActivityParams(BaseModel):
    """Parameters for deleting a workflow activity."""
    
    activity_id: str = Field(..., description="Activity ID or sys_id")

src/servicenow_mcp/utils/tool_utils.py:606-612 (registration)
Tool registration entry in get_tool_definitions() that maps 'delete_workflow_activity' to its handler, input schema, return type, description, and serialization method for MCP server integration.
```
"delete_workflow_activity": (
    delete_workflow_activity_tool,
    DeleteWorkflowActivityParams,
    str,
    "Delete an activity from a workflow",
    "str",  # Tool returns simple message
),
```

src/servicenow_mcp/tools/__init__.py:78-91 (registration)

Export/import of the delete_workflow_activity handler in the tools package __init__.py, making it available for import from the tools module.

from servicenow_mcp.tools.workflow_tools import (
    activate_workflow,
    add_workflow_activity,
    create_workflow,
    deactivate_workflow,
    delete_workflow_activity,
    get_workflow_activities,
    get_workflow_details,
    list_workflow_versions,
    list_workflows,
    reorder_workflow_activities,
    update_workflow,
    update_workflow_activity,
)

src/servicenow_mcp/utils/tool_utils.py:266-268 (registration)
Import alias of the delete_workflow_activity function as delete_workflow_activity_tool used in the tool registration.
```
from servicenow_mcp.tools.workflow_tools import (
    delete_workflow_activity as delete_workflow_activity_tool,
)
```

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