diff --git a/dropshell-tool/build.sh b/dropshell-tool/build.sh
index bc8b6cf..ebfcc99 100755
--- a/dropshell-tool/build.sh
+++ b/dropshell-tool/build.sh
@@ -4,29 +4,16 @@ set -euo pipefail
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 
 TEMP_DIR=$(mktemp -d)
-SOS="${TEMP_DIR}/sos"
 
-curl -L -o "${SOS}" https://getbin.xyz/sos
-chmod +x "${SOS}"
+function getbin() {
+    local BIN_NAME="$1"
+    
+    curl -L -o "${TEMP_DIR}/${BIN_NAME}" "https://getbin.xyz/${BIN_NAME}"
+    chmod +x "${TEMP_DIR}/${BIN_NAME}"
+}
 
+getbin "dropshell-build"
 
+"${TEMP_DIR}/dropshell-build" "${SCRIPT_DIR}"
 
-
-
-
-
-# make canonical path
-DROPSHELL_BUILD_DIR=$(realpath "${DROPSHELL_BUILD_DIR}")
-
-# make sure the build script exists
-if [ ! -f "${DROPSHELL_BUILD_DIR}/dropshell-build" ]; then
-    echo "Error: dropshell-build not found"
-    exit 1
-fi
-if [ ! -f "${DROPSHELL_BUILD_DIR}/install_dropshell_build_requirements" ]; then
-    echo "Error: install_dropshell_build_requirements not found"
-    exit 1
-fi
-
-# run the build script
-"${DROPSHELL_BUILD_DIR}/dropshell-build" -m -r "${SCRIPT_DIR}"
+rm -rf "${TEMP_DIR}"
diff --git a/dropshell-tool/publish.sh b/dropshell-tool/publish.sh
index 682bd8b..2612185 100755
--- a/dropshell-tool/publish.sh
+++ b/dropshell-tool/publish.sh
@@ -3,6 +3,7 @@
 set -euo pipefail
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+TEMP_DIR=$(mktemp -d)
 
 
 die() {
@@ -10,14 +11,19 @@ die() {
     exit 1
 }
 
-function publish_install() {
+function publish_tool() {
+    local TOOLPATH="$1"
+    local ARCH="$2"
+    local TOOL;
+    TOOL=$(basename "$TOOLPATH")
 
-    "${SCRIPT_DIR}/../sos/sos" upload "getbin.xyz" "dropshell-tool-install" "dropshell-tool-install"
+    echo "Publishing $TOOL to getbin.xyz"
+
+    "${TEMP_DIR}/sos" upload "getbin.xyz" "$TOOL" "$TOOLPATH"
 }
 
 function publish_executables() {
     OUTPUT_DIR="${SCRIPT_DIR}/output"
-    ARCH=$(uname -m)
 
     # Find all dropshell-tool.ARCH files in output/
     TOOLS=()
@@ -33,7 +39,7 @@ function publish_executables() {
     fi
 
     for TOOL in "${TOOLS[@]}"; do
-        echo "Publishing $TOOL"
+        publish_tool "$TOOL" "${TOOL//dropshell-tool./}"
 
         # extract the architecture from the tool name
         ARCH="${TOOL//dropshell-tool./}"
@@ -44,7 +50,17 @@ function publish_executables() {
 
 }
 
-publish_install
+function getbin() {
+    local BIN_NAME="$1"
+    
+    curl -L -o "${TEMP_DIR}/${BIN_NAME}" "https://getbin.xyz/${BIN_NAME}"
+    chmod +x "${TEMP_DIR}/${BIN_NAME}"
+}
+
+
+
+getbin "sos"
 publish_executables
 
+rm -rf "${TEMP_DIR}"
 echo "Done"
\ No newline at end of file
diff --git a/sos/publish.sh b/sos/publish.sh
index 4c8aa00..5968cd7 100755
--- a/sos/publish.sh
+++ b/sos/publish.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 
 # run sos to upload sos
-"${SCRIPT_DIR}/sos" upload "getbin.xyz" "sos:latest" "${SCRIPT_DIR}/sos"
+"${SCRIPT_DIR}/sos" upload "getbin.xyz" "${SCRIPT_DIR}/sos" "sos:latest" 
diff --git a/sos/sos b/sos/sos
index f7ef403..b96fe1c 100755
--- a/sos/sos
+++ b/sos/sos
@@ -15,10 +15,10 @@ function show_help() {
     sos is a script to upload files to a simple object storage server.
 
 Usage: 
-          sos upload <server> <label:tag> <file>
+          sos upload <server> <file> <label:tag> [label:tag ...]
 
 Example: 
-          sos upload tools.dropshell.app file:latest ./file.txt
+          sos upload tools.dropshell.app ./file.txt file:latest 
 
 This will upload the file to the server, and return the download URL.
 
@@ -42,15 +42,25 @@ function datetime() {
 
 
 function upload() {
-    if [ "$#" -ne 3 ]; then
-        echo "Usage: sos upload <server> <label:tag> <file>"
+    if [ "$#" -lt 3 ]; then
+        echo "Usage: sos upload <server> <file> <label:tag> [label:tag ...]"
         exit 1
     fi
 
     server=$1
-    label=$2
-    file=$3
+    file=$2
+    first_label=$3
+    LABELTAGS=("$first_label")
+    [[ "$first_label" =~ : ]] || die "Label $first_label does not contain a tag!"
 
+    shift 3
+    for label in "$@"; do
+        [[ "$label" =~ : ]] || die "Label $label does not contain a tag!"
+        LABELTAGS+=("$label")
+    done
+
+    # check if file contains :
+    [[ ! "$file" =~ : ]] || die "File contains : - this is not allowed!"
     [ -f "$file" ] || die "File not found: $file"
 
 
@@ -60,15 +70,6 @@ function upload() {
 
     DATETIME=$(datetime)
 
-    # if the label doesn't have a tag, add :lastest
-    [[ "$label" =~ : ]] || label="$label:latest"
-    label_base=$(echo "$label" | cut -d':' -f1)
-
-    LABELTAGS=(
-        "$label"
-        "$label_base:$DATETIME"
-        "$label_base:latest"
-    )
     # deduplicate the labeltags
     mapfile -t LABELTAGS < <(printf "%s\n" "${LABELTAGS[@]}" | sort -u)
     LABELTAGS_JSON=$(printf '"%s",' "${LABELTAGS[@]}")
@@ -104,7 +105,7 @@ EOF
     echo " "
     echo " "
 
-    JSON1=$(eval "curl -s \"https://$server/hash/$label\"")
+    JSON1=$(eval "curl -s \"https://$server/hash/$first_label\"")
     HASH=$(echo "$JSON1" | jq -r '.hash')
 
     JSON2=$(eval "curl -s \"https://$server/meta/$HASH\"") || die "Failed to get meta for $HASH"
@@ -115,7 +116,7 @@ EOF
 
     echo " "
 
-    echo "Download URL: https://$server/$label > $FILENAME"
+    echo "Download URL: https://$server/$first_label > $FILENAME"
     echo "Alternative:  https://$server/$HASH > $FILENAME"
 }
 
diff --git a/sos/test.sh b/sos/test.sh
index cfe7f29..b597b96 100755
--- a/sos/test.sh
+++ b/sos/test.sh
@@ -4,4 +4,5 @@ set -euo pipefail
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 
-"${SCRIPT_DIR}/sos" upload "getbin.xyz" "sos:test" "${SCRIPT_DIR}/sos"
+"${SCRIPT_DIR}/sos" upload "getbin.xyz" "${SCRIPT_DIR}/sos" "sos:test" "sos:dodgy"
+