diff --git a/bin/install-clara b/bin/install-clara
index 3c89e2dfa4..a5dca84c23 100755
--- a/bin/install-clara
+++ b/bin/install-clara
@@ -3,8 +3,7 @@
 set -e
 
 # Default versions:
-grapes=2.26
-clara=5.0.2
+clara=main
 
 function error() {
     echo -e "\n$usage\n\n  Use option '-h' for more usage guidance.\n\nERROR:  $@"
@@ -56,24 +55,18 @@ function cleanup() {
 }
 
 function build_clara {
-    #git clone --branch $clara --depth 1 https://code.jlab.org/hallb/clas12/clara-java
-    git clone --depth 1 https://code.jlab.org/hallb/clas12/clara-java
+    git clone --branch $clara --depth 1 https://code.jlab.org/hallb/clas12/clara-java
     cd clara-java && CLARA_HOME=$1 ./gradlew deploy && cd -
 }
 
-function build_grapes {
-    git clone --depth 1 --branch $grapes https://code.jlab.org/hallb/clas12/coatjava/grapes.git
-    cd grapes && mvn package && cd -
-}
-
 trap cleanup EXIT
 
 # Configure:
 debug=0
 args=()
-usage="Usage:  install-clara [-v] [-c COATJAVA] [-f CLARA] [-g GRAPES] PATH"
+usage="Usage:  install-clara [-v] [-c COATJAVA] [-f CLARA] PATH"
 info="""
-- The default CLARA / GRAPES versions are $clara / $grapes
+- The default CLARA version is $clara
 - COATJAVA can also be specified as a local installation directory
 - If the COATJAVA version is not specified, it will try to auto-detect it.
 - [-v adds verbosity and disables cleanup]"""
@@ -84,7 +77,7 @@ do
         -h|--help) echo -e "\n$usage" && echo -e "$info" && exit 1 ;;
         -f) clara="$2" && shift && shift ;;
         -c) coatjava="$2" && shift && shift ;;
-        -g) grapes="$2" && shift && shift ;;
+        -g) echo "WARNING: option -g has been removed" >&2 && shift && shift ;;
         -v) let debug=$debug+1 && shift ;;
         -*|--*)  echo -e "$usage\n\nUnknown option:  $1" && exit 1 ;;
         *) args+=("$1") && shift ;;
@@ -138,7 +131,4 @@ mkdir -p clara-cre/plugins/clas12/config
 cp -Lr $coatjava/etc $coatjava/bin $coatjava/lib* clara-cre/plugins/clas12
 
 # GRAPES:
-echo -e "\nRetrieving GRAPES version $grapes ..."
-build_grapes $PWD/grapes
-mkdir -p clara-cre/plugins/grapes/lib/core/
-cp grapes/target/grapes-*core*.jar clara-cre/plugins/grapes/lib/core/
+cp $coatjava/lib/utils/grapes*.jar clara-cre/plugins/grapes/lib/core/
diff --git a/build-coatjava.sh b/build-coatjava.sh
index dea396ae15..a69489b5c1 100755
--- a/build-coatjava.sh
+++ b/build-coatjava.sh
@@ -386,22 +386,23 @@ fi
 # - seem to break thread safety of `mvn install`, i.e., we'd need to run `mvn package` first, then `mvn install`
 # - we just want copy the produced JAR files to a final installation directory, so the following bash code gets the job done without drama
 install_jars() {
-  src=$(dirname $1)
+  src=$1
   dest=$2
   [ $# -ge 3 ] && filter="$3" || filter='*.jar'
-  if [ -d $src/target ]; then
-    for f in $(find $src/target -name $filter); do
+  if [ -d $src ]; then
+    for f in $(find $src -name $filter); do
       mkdir -p $dest
       cp $f $dest/
     done
   fi
 }
 for pom in $(find reconstruction -name pom.xml); do
-  install_jars $pom $prefix_dir/lib/services
+  install_jars $(dirname $pom)/target $prefix_dir/lib/services
 done
-install_jars common-tools/djl-runtime/pom.xml $prefix_dir/lib/services
-install_jars common-tools/clara-io/pom.xml    $prefix_dir/lib/utils 'jclara-*.jar'
-install_jars common-tools/coat-libs/pom.xml   $prefix_dir/lib/clas  'coat-libs-*.jar'
+install_jars common-tools/copycat/target/lib/djl    $prefix_dir/lib/services
+install_jars common-tools/copycat/target/lib/grapes $prefix_dir/lib/utils
+install_jars common-tools/copycat/target/lib/clara  $prefix_dir/lib/utils 'jclara-*.jar'
+install_jars common-tools/coat-libs/target          $prefix_dir/lib/clas  'coat-libs-*.jar'
 echo "installed coatjava to: $prefix_dir"
 
 # install clara
diff --git a/common-tools/clara-io/pom.xml b/common-tools/clara-io/pom.xml
index c942080a04..8ebd8c9a59 100644
--- a/common-tools/clara-io/pom.xml
+++ b/common-tools/clara-io/pom.xml
@@ -55,29 +55,4 @@
 
   </dependencies>
 
-  <!-- copy the CLARA jar for runtime usage -->
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-dependency-plugin</artifactId>
-        <executions>
-          <execution>
-            <id>copy-jclara</id>
-            <phase>package</phase>
-            <goals>
-              <goal>copy-dependencies</goal>
-            </goals>
-            <configuration>
-              <outputDirectory>${project.build.directory}/lib/utils</outputDirectory>
-              <includeGroupIds>org.jlab.coda</includeGroupIds>
-              <includeArtifactIds>jclara</includeArtifactIds>
-              <includeTypes>jar</includeTypes>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
-    </plugins>
-  </build>
-
 </project>
diff --git a/common-tools/djl-runtime/pom.xml b/common-tools/copycat/pom.xml
similarity index 63%
rename from common-tools/djl-runtime/pom.xml
rename to common-tools/copycat/pom.xml
index 5c6d998062..76b4a5a1d6 100644
--- a/common-tools/djl-runtime/pom.xml
+++ b/common-tools/copycat/pom.xml
@@ -2,12 +2,9 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
-  <!--
-    this POM installs `ai.djl` runtime dependencies to our prefix classpath;
-    this includes its transitive dependencies, e.g. `gson` and `slf4j`
-  -->
+  <!-- this POM installs runtime dependencies to our prefix classpath -->
 
-  <artifactId>djl-runtime</artifactId>
+  <artifactId>copycat</artifactId>
   <packaging>pom</packaging>
 
   <parent>
@@ -63,6 +60,17 @@
   </profiles>
 
   <dependencies>
+    <!-- clara -->
+    <dependency>
+      <groupId>org.jlab.coda</groupId>
+      <artifactId>jclara</artifactId>
+    </dependency>
+    <!-- grapes -->
+    <dependency>
+      <groupId>org.jlab.jnp</groupId>
+      <artifactId>grapes</artifactId>
+    </dependency>
+    <!-- djl runtime -->
     <dependency>
       <groupId>ai.djl</groupId>
       <artifactId>api</artifactId>
@@ -103,8 +111,35 @@
               <goal>copy-dependencies</goal>
             </goals>
             <configuration>
-              <outputDirectory>${project.build.directory}/lib/services</outputDirectory>
-              <includeScope>runtime</includeScope>
+              <outputDirectory>${project.build.directory}/lib/djl</outputDirectory>
+              <includeGroupIds>ai.djl,ai.djl.pytorch</includeGroupIds>
+              <includeScope>runtime</includeScope> <!-- include transitive dependencies, e.g. `gson` and `slf4j` -->
+            </configuration>
+          </execution>
+          <execution>
+            <id>copy-jclara</id>
+            <phase>package</phase>
+            <goals>
+              <goal>copy-dependencies</goal>
+            </goals>
+            <configuration>
+              <outputDirectory>${project.build.directory}/lib/clara</outputDirectory>
+              <includeGroupIds>org.jlab.coda</includeGroupIds>
+              <includeArtifactIds>jclara</includeArtifactIds>
+              <includeTypes>jar</includeTypes>
+            </configuration>
+          </execution>
+          <execution>
+            <id>copy-grapes</id>
+            <phase>package</phase>
+            <goals>
+              <goal>copy-dependencies</goal>
+            </goals>
+            <configuration>
+              <outputDirectory>${project.build.directory}/lib/grapes</outputDirectory>
+              <includeGroupIds>org.jlab.jnp</includeGroupIds>
+              <includeArtifactIds>grapes</includeArtifactIds>
+              <includeTypes>jar</includeTypes>
             </configuration>
           </execution>
         </executions>
diff --git a/common-tools/pom.xml b/common-tools/pom.xml
index 852f74101f..96c4eda547 100644
--- a/common-tools/pom.xml
+++ b/common-tools/pom.xml
@@ -29,7 +29,7 @@
     <module>clara-io</module>
     <module>clas-tracking</module>
     <module>clas-decay-tools</module>
-    <module>djl-runtime</module>
+    <module>copycat</module>
     <module>coat-libs</module>
   </modules>
 
diff --git a/pom.xml b/pom.xml
index 26f2b9ab3b..d4b91f550b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,6 +29,11 @@
       <id>clasweb-clas12maven</id>
       <url>https://clasweb.jlab.org/.clas12maven</url>
     </repository>
+    <!-- https://code.jlab.org/hallb/clas12/coatjava/grapes package registry -->
+    <repository>
+      <id>code.jlab.org-hallb-grapes</id>
+      <url>https://code.jlab.org/api/v4/projects/776/packages/maven</url>
+    </repository>
   </repositories>
 
   <profiles>
@@ -124,6 +129,12 @@
         <version>6.2</version>
       </dependency>
 
+      <dependency>
+        <groupId>org.jlab.jnp</groupId>
+        <artifactId>grapes</artifactId>
+        <version>2.27-SNAPSHOT</version>
+      </dependency>
+
       <dependency>
         <groupId>org.jlab.coda</groupId>
         <artifactId>jevio</artifactId>