diff --git a/SwanCustomEnvironments/swancustomenvironments/scripts/builders/accpy.sh b/SwanCustomEnvironments/swancustomenvironments/scripts/builders/accpy.sh
index c7d6b008..459ad1cb 100644
--- a/SwanCustomEnvironments/swancustomenvironments/scripts/builders/accpy.sh
+++ b/SwanCustomEnvironments/swancustomenvironments/scripts/builders/accpy.sh
@@ -11,4 +11,4 @@ eval "${ACTIVATE_ENV_CMD}"
 
 # Install packages in the environment and the same ipykernel that the Jupyter server uses
 _log "Installing packages from ${REQ_PATH}..."
-pip install -r "${REQ_PATH}" "ipykernel==${IPYKERNEL_VERSION}" | tee -a ${LOG_FILE}
+pip install -r "${REQ_PATH}" "ipykernel==${IPYKERNEL_VERSION}" ${SPARKCONNECTOR} ${SPARKMONITOR} ${NXCALS} | tee -a ${LOG_FILE}
diff --git a/SwanCustomEnvironments/swancustomenvironments/scripts/makenv.sh b/SwanCustomEnvironments/swancustomenvironments/scripts/makenv.sh
index 3bb38db1..fa5277c3 100755
--- a/SwanCustomEnvironments/swancustomenvironments/scripts/makenv.sh
+++ b/SwanCustomEnvironments/swancustomenvironments/scripts/makenv.sh
@@ -42,12 +42,13 @@ define_repo_path() {
 
 # Function for printing the help page
 print_help() {
-    _log "Usage: makenv --repo REPOSITORY --repo_type TYPE --builder BUILDER --builder_version VERSION [--help/-h]"
+    _log "Usage: makenv --repo REPOSITORY --repo_type TYPE --builder BUILDER --builder_version VERSION --nxcals [--help/-h]"
     _log "Options:"
     _log "  --repo REPOSITORY           Path or http link for a public repository"
     _log "  --repo_type TYPE            Type of repository (git or eos)"
     _log "  --builder BUILDER           Builder to create the environment"
     _log "  --builder_version VERSION   Version of the builder to use (optional)"
+    _log "  --nxcals                    Install NXCALS package and Spark extensions in the environment (optional)"
     _log "  -h, --help                  Print this help page"
 }
 
@@ -101,6 +102,10 @@ while [ $# -gt 0 ]; do
             shift
             shift
             ;;
+        --nxcals)
+            INSTALL_NXCALS=true
+            shift
+            ;;
         --help|-h)
             print_help
             exit 0
@@ -177,6 +182,13 @@ ENV_PATH="/home/$USER/${ENV_NAME}"
 REQ_PATH="${REPO_PATH}/requirements.txt"
 IPYKERNEL_VERSION=$(python -c "import ipykernel; print(ipykernel.__version__)")
 
+# Libraries need to be installed and not linked, due to their dependencies
+if [ -n "${INSTALL_NXCALS}" ]; then
+    SPARKCONNECTOR="sparkconnector==$(python3 -c 'import sparkconnector; print(sparkconnector.__version__)')"
+    SPARKMONITOR="sparkmonitor==$(python3 -c 'import sparkmonitor; print(sparkmonitor.__version__)')"
+    NXCALS="nxcals"
+fi
+
 # Check if requirements.txt exists in the repository
 if [ ! -f "${REQ_PATH}" ]; then
     _log "ERROR: Requirements file not found (${REQ_PATH})."
diff --git a/SwanCustomEnvironments/swancustomenvironments/serverextension.py b/SwanCustomEnvironments/swancustomenvironments/serverextension.py
index 716a2f9c..a32b0574 100644
--- a/SwanCustomEnvironments/swancustomenvironments/serverextension.py
+++ b/SwanCustomEnvironments/swancustomenvironments/serverextension.py
@@ -21,6 +21,7 @@ def get(self):
         repo_type (str): The type of repository (git or eos).
         builder (str): The builder used for creating the environment.
         builder_version (str): The version of the specified builder.
+        nxcals (bool): Whether to include NXCALS and Spark extensions in the environment.
         """
         self.set_header("Content-Type", "text/event-stream")
 
@@ -28,10 +29,13 @@ def get(self):
         repo_type = self.get_query_argument("repo_type", default="")
         builder = self.get_query_argument("builder", default="")
         builder_version = self.get_query_argument("builder_version", default="")
+        nxcals = self.get_query_argument("nxcals", default="")
 
         arguments = ["--repo", repository, "--repo_type", repo_type, "--builder", builder]
         if builder_version:
             arguments.extend(("--builder_version", builder_version))
+        if nxcals:
+            arguments.append("--nxcals")
 
         makenv_process = subprocess.Popen([self.makenv_path, *arguments], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
 
diff --git a/SwanCustomEnvironments/swancustomenvironments/templates/customenvs.html b/SwanCustomEnvironments/swancustomenvironments/templates/customenvs.html
index 0f403957..f4a04799 100644
--- a/SwanCustomEnvironments/swancustomenvironments/templates/customenvs.html
+++ b/SwanCustomEnvironments/swancustomenvironments/templates/customenvs.html
@@ -153,6 +153,7 @@ <h2 id="modal-title" style="text-align: left;"></h2>
     var builder = urlParams.get('builder') || "";
     var builder_version = urlParams.get('builder_version') || "";
     var file = `/${urlParams.get('file') || ""}`;
+    var nxcals = urlParams.get('nxcals') || "";
 
     // Environment creation elements
     var outputBox = document.getElementById('output-box');
@@ -242,7 +243,7 @@ <h2 id="modal-title" style="text-align: left;"></h2>
     }
 
 
-    fetch(`${base_url}api/customenvs?repo=${encodeURIComponent(repository)}&repo_type=${encodeURIComponent(repo_type)}&builder=${encodeURIComponent(builder)}&builder_version=${encodeURIComponent(builder_version)}`, {
+    fetch(`${base_url}api/customenvs?repo=${encodeURIComponent(repository)}&repo_type=${encodeURIComponent(repo_type)}&builder=${encodeURIComponent(builder)}&builder_version=${encodeURIComponent(builder_version)}&nxcals=${encodeURIComponent(nxcals)}`, {
         method: 'GET',
         headers: get_jh_auth_header(),
     })