diff --git a/modules/fruix/packages/freebsd.scm b/modules/fruix/packages/freebsd.scm
index 76c4465..e54c9dc 100644
--- a/modules/fruix/packages/freebsd.scm
+++ b/modules/fruix/packages/freebsd.scm
@@ -53,6 +53,11 @@
             freebsd-zlib
             freebsd-sh
             freebsd-bash
+            freebsd-nodejs
+            freebsd-npm
+            freebsd-ripgrep
+            freebsd-tmux
+            freebsd-neovim
             freebsd-native-kernel
             freebsd-native-world
             freebsd-native-runtime
@@ -97,6 +102,23 @@
   (make-freebsd-package name version build-system inputs home-page synopsis
                         description license install-plan))
 
+(define (path-directory path)
+  (let ((index (string-index-right path #\/)))
+    (if index
+        (substring path 0 index)
+        ".")))
+
+(define (file-install-plan source target)
+  `((file ,source ,target)))
+
+(define (shared-library-install-plan source target)
+  (let ((link-target (false-if-exception (readlink source))))
+    (if link-target
+        (list `(file ,(string-append (path-directory source) "/" link-target)
+                      ,(string-append (path-directory target) "/" link-target))
+              `(file ,source ,target))
+        (file-install-plan source target))))
+
 (define freebsd-release "15.0-STABLE")
 
 (define-record-type <freebsd-source>
@@ -585,6 +607,133 @@ library for profile experiments."
    #:install-plan
    '((file "/lib/libz.so.6" "lib/libz.so.6"))))
 
+(define freebsd-nodejs
+  (freebsd-package
+   #:name "freebsd-nodejs"
+   #:version "24.14.0_2"
+   #:build-system 'copy-build-system
+   #:inputs (list freebsd-libc freebsd-openssl freebsd-zlib)
+   #:home-page "https://nodejs.org/"
+   #:synopsis "Node.js runtime staged from FreeBSD packages"
+   #:description
+   "Host-staged Node.js package definition that copies the FreeBSD package
+manager build into the Fruix store, including the shared libraries and
+headers needed to run Node and build native modules."
+   #:license 'expat
+   #:install-plan
+   (append
+    '((file "/usr/local/bin/node" "bin/node")
+      (directory "/usr/local/include/node" "include/node")
+      (file "/usr/local/share/man/man1/node.1.gz" "share/man/man1/node.1.gz"))
+    (shared-library-install-plan "/usr/local/lib/libada.so.3" "lib/libada.so.3")
+    (shared-library-install-plan "/usr/local/lib/libbrotlicommon.so.1" "lib/libbrotlicommon.so.1")
+    (shared-library-install-plan "/usr/local/lib/libbrotlidec.so.1" "lib/libbrotlidec.so.1")
+    (shared-library-install-plan "/usr/local/lib/libbrotlienc.so.1" "lib/libbrotlienc.so.1")
+    (shared-library-install-plan "/usr/local/lib/libcares.so.2" "lib/libcares.so.2")
+    (shared-library-install-plan "/usr/local/lib/libgtest.so.1.16.0" "lib/libgtest.so.1.16.0")
+    (shared-library-install-plan "/usr/local/lib/libhdr_histogram.so.6" "lib/libhdr_histogram.so.6")
+    (shared-library-install-plan "/usr/local/lib/libicudata.so.76" "lib/libicudata.so.76")
+    (shared-library-install-plan "/usr/local/lib/libicui18n.so.76" "lib/libicui18n.so.76")
+    (shared-library-install-plan "/usr/local/lib/libicuuc.so.76" "lib/libicuuc.so.76")
+    (shared-library-install-plan "/usr/local/lib/libllhttp.so.9.3" "lib/libllhttp.so.9.3")
+    (shared-library-install-plan "/usr/local/lib/libmerve.so.1" "lib/libmerve.so.1")
+    (shared-library-install-plan "/usr/local/lib/libnbytes.so" "lib/libnbytes.so")
+    (shared-library-install-plan "/usr/local/lib/libnghttp2.so.14" "lib/libnghttp2.so.14")
+    (shared-library-install-plan "/usr/local/lib/libnghttp3.so.9" "lib/libnghttp3.so.9")
+    (shared-library-install-plan "/usr/local/lib/libngtcp2.so.16" "lib/libngtcp2.so.16")
+    (shared-library-install-plan "/usr/local/lib/libsimdjson.so.32" "lib/libsimdjson.so.32")
+    (shared-library-install-plan "/usr/local/lib/libsimdutf.so.33" "lib/libsimdutf.so.33")
+    (shared-library-install-plan "/usr/local/lib/libsqlite3.so.0" "lib/libsqlite3.so.0")
+    (shared-library-install-plan "/usr/local/lib/libuv.so.1" "lib/libuv.so.1")
+    (shared-library-install-plan "/usr/local/lib/libuvwasi.so" "lib/libuvwasi.so")
+    (shared-library-install-plan "/usr/local/lib/libzstd.so.1" "lib/libzstd.so.1"))))
+
+(define freebsd-npm
+  (freebsd-package
+   #:name "freebsd-npm"
+   #:version "11.11.0"
+   #:build-system 'copy-build-system
+   #:inputs (list freebsd-nodejs freebsd-bash)
+   #:home-page "https://www.npmjs.com/"
+   #:synopsis "npm CLI staged from FreeBSD packages"
+   #:description
+   "Host-staged npm package definition that copies the npm CLI, bundled
+Node modules, and default configuration needed for local project installs and
+npm exec workflows inside Fruix."
+   #:license 'artistic2.0
+   #:install-plan
+   '((file "/usr/local/bin/npm" "bin/npm")
+     (file "/usr/local/bin/npx" "bin/npx")
+     (file "/usr/local/bin/node-gyp" "bin/node-gyp")
+     (file "/usr/local/etc/npmrc" "etc/npmrc")
+     (file "/usr/local/etc/man.d/npm.conf" "etc/man.d/npm.conf")
+     (directory "/usr/local/lib/node_modules/npm" "lib/node_modules/npm"))))
+
+(define freebsd-ripgrep
+  (freebsd-package
+   #:name "freebsd-ripgrep"
+   #:version "15.1.0_4"
+   #:build-system 'copy-build-system
+   #:inputs (list freebsd-libc)
+   #:home-page "https://github.com/BurntSushi/ripgrep"
+   #:synopsis "ripgrep staged from FreeBSD packages"
+   #:description
+   "Host-staged ripgrep package definition that copies the rg executable,
+manual page, and PCRE2 shared library dependency into the Fruix store."
+   #:license 'expat
+   #:install-plan
+   (append
+    '((file "/usr/local/bin/rg" "bin/rg")
+      (file "/usr/local/share/man/man1/rg.1.gz" "share/man/man1/rg.1.gz"))
+    (shared-library-install-plan "/usr/local/lib/libpcre2-8.so.0" "lib/libpcre2-8.so.0"))))
+
+(define freebsd-tmux
+  (freebsd-package
+   #:name "freebsd-tmux"
+   #:version "3.6a"
+   #:build-system 'copy-build-system
+   #:inputs (list freebsd-libc)
+   #:home-page "https://github.com/tmux/tmux"
+   #:synopsis "tmux staged from FreeBSD packages"
+   #:description
+   "Host-staged tmux package definition that copies the tmux terminal
+multiplexer, example configuration, manual page, and libevent dependency into
+the Fruix store."
+   #:license 'isc
+   #:install-plan
+   (append
+    '((file "/usr/local/bin/tmux" "bin/tmux")
+      (file "/usr/local/share/examples/tmux/example_tmux.conf"
+            "share/examples/tmux/example_tmux.conf")
+      (file "/usr/local/share/man/man1/tmux.1.gz" "share/man/man1/tmux.1.gz"))
+    (shared-library-install-plan "/usr/local/lib/libevent_core-2.1.so.7"
+                                 "lib/libevent_core-2.1.so.7"))))
+
+(define freebsd-neovim
+  (freebsd-package
+   #:name "freebsd-neovim"
+   #:version "0.12.0"
+   #:build-system 'copy-build-system
+   #:inputs (list freebsd-libc)
+   #:home-page "https://neovim.io/"
+   #:synopsis "Neovim staged from FreeBSD packages"
+   #:description
+   "Host-staged Neovim package definition that copies the editor binary,
+runtime files, parser modules, Lua modules, and shared libraries needed to run
+Neovim from a Fruix profile."
+   #:license 'asl2.0
+   #:install-plan
+   (append
+    '((file "/usr/local/bin/nvim" "bin/nvim")
+      (file "/usr/local/share/man/man1/nvim.1.gz" "share/man/man1/nvim.1.gz")
+      (directory "/usr/local/share/nvim" "share/nvim")
+      (directory "/usr/local/lib/nvim" "lib/nvim")
+      (file "/usr/local/lib/lua/5.1/lpeg.so" "lib/lua/5.1/lpeg.so"))
+    (shared-library-install-plan "/usr/local/lib/libintl.so.8" "lib/libintl.so.8")
+    (shared-library-install-plan "/usr/local/lib/libluv.so.1" "lib/libluv.so.1")
+    (shared-library-install-plan "/usr/local/lib/libutf8proc.so.3" "lib/libutf8proc.so.3")
+    (shared-library-install-plan "/usr/local/lib/libuv.so.1" "lib/libuv.so.1"))))
+
 (define default-native-world-prune-paths
   '("usr/share/doc"
     "usr/share/examples"
@@ -765,7 +914,12 @@ FreeBSD base input."
         freebsd-openssl
         freebsd-zlib
         freebsd-sh
-        freebsd-bash))
+        freebsd-bash
+        freebsd-nodejs
+        freebsd-npm
+        freebsd-ripgrep
+        freebsd-tmux
+        freebsd-neovim))
 
 (define %freebsd-host-staged-system-packages
   (list freebsd-kernel
@@ -797,7 +951,9 @@ FreeBSD base input."
     (second-wave . (freebsd-runtime freebsd-libc freebsd-userland freebsd-rc-scripts))
     (third-wave . (freebsd-networking freebsd-openssh))
     (fourth-wave . (freebsd-kernel-headers freebsd-clang-toolchain))
-    (fifth-wave . (freebsd-gmake freebsd-autotools freebsd-openssl freebsd-zlib freebsd-sh freebsd-bash))))
+    (fifth-wave . (freebsd-gmake freebsd-autotools freebsd-openssl freebsd-zlib
+                                 freebsd-sh freebsd-bash freebsd-nodejs freebsd-npm
+                                 freebsd-ripgrep freebsd-tmux freebsd-neovim))))
 
 (define (freebsd-native-system-packages-for base)
   (list (freebsd-native-runtime-for base)))
diff --git a/modules/fruix/system/freebsd/render.scm b/modules/fruix/system/freebsd/render.scm
index 5b54949..3ea6cf2 100644
--- a/modules/fruix/system/freebsd/render.scm
+++ b/modules/fruix/system/freebsd/render.scm
@@ -1093,6 +1093,11 @@
    "export CFLAGS=\"-I$profile/usr/include\"\n"
    "export CXXFLAGS=\"-I$profile/usr/include\"\n"
    "export LDFLAGS=\"-L$profile/lib\"\n"
+   "export LD_LIBRARY_PATH=\"$profile/lib:$profile/usr/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}\"\n"
+   "export MANPATH=\"$profile/share/man:$profile/usr/share/man${MANPATH:+:$MANPATH}\"\n"
+   "export NODE_PATH=\"$profile/lib/node_modules${NODE_PATH:+:$NODE_PATH}\"\n"
+   "export VIMRUNTIME=\"$profile/share/nvim/runtime\"\n"
+   "export LUA_CPATH=\"$profile/lib/lua/5.1/?.so${LUA_CPATH:+;$LUA_CPATH};;\"\n"
    "export MAKEFLAGS=\"-m $profile/usr/share/mk\"\n"
    "export PATH=\"/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:$profile/bin:$profile/sbin:$profile/usr/bin:$profile/usr/sbin\"\n"
    "EOF\n"))
@@ -1106,7 +1111,8 @@
    "  exit 1\n"
    "}\n"
    "cat <<EOF\n"
-   "unset MAKEOBJDIRPREFIX MAKEFLAGS CC CXX AR RANLIB NM CPPFLAGS CFLAGS CXXFLAGS LDFLAGS\n"
+   "unset MAKEOBJDIRPREFIX MAKEFLAGS CC CXX AR RANLIB NM CPPFLAGS CFLAGS CXXFLAGS LDFLAGS LD_LIBRARY_PATH\n"
+   "unset MANPATH NODE_PATH VIMRUNTIME LUA_CPATH\n"
    "unset FRUIX_DEVELOPMENT_PROFILE FRUIX_DEVELOPMENT_INCLUDE FRUIX_DEVELOPMENT_LIB FRUIX_DEVELOPMENT_SHARE_MK\n"
    "unset FRUIX_DEVELOPMENT_BIN FRUIX_DEVELOPMENT_USR_BIN FRUIX_CC FRUIX_CXX FRUIX_AR FRUIX_RANLIB FRUIX_NM FRUIX_BMAKE\n"
    "export FRUIX_BUILD_PROFILE=\"$profile\"\n"
@@ -1121,6 +1127,11 @@
    "export FRUIX_BUILD_RANLIB=\"$profile/bin/ranlib\"\n"
    "export FRUIX_BUILD_NM=\"$profile/bin/nm\"\n"
    "export FRUIX_BMAKE=\"make\"\n"
+   "export LD_LIBRARY_PATH=\"$profile/lib:$profile/usr/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}\"\n"
+   "export MANPATH=\"$profile/share/man:$profile/usr/share/man${MANPATH:+:$MANPATH}\"\n"
+   "export NODE_PATH=\"$profile/lib/node_modules${NODE_PATH:+:$NODE_PATH}\"\n"
+   "export VIMRUNTIME=\"$profile/share/nvim/runtime\"\n"
+   "export LUA_CPATH=\"$profile/lib/lua/5.1/?.so${LUA_CPATH:+;$LUA_CPATH};;\"\n"
    "export PATH=\"/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:$profile/bin:$profile/sbin:$profile/usr/bin:$profile/usr/sbin\"\n"
    "EOF\n"))
 (define (render-self-hosted-native-build-script os)
diff --git a/tests/dev-tools-packages.scm b/tests/dev-tools-packages.scm
new file mode 100644
index 0000000..a167526
--- /dev/null
+++ b/tests/dev-tools-packages.scm
@@ -0,0 +1,217 @@
+(use-modules (ice-9 hash-table)
+             (ice-9 match)
+             (srfi srfi-1)
+             (srfi srfi-13)
+             (srfi srfi-64)
+             (guix build utils)
+             (fruix packages freebsd)
+             (fruix system freebsd)
+             (fruix system freebsd build)
+             (fruix system freebsd render)
+             (fruix system freebsd utils))
+
+(define dev-tool-packages
+  (list freebsd-nodejs
+        freebsd-npm
+        freebsd-ripgrep
+        freebsd-tmux
+        freebsd-neovim))
+
+(define os
+  (operating-system #:development-packages dev-tool-packages
+                    #:build-packages dev-tool-packages))
+
+(define generated-files
+  (operating-system-generated-files os
+                                   #:guile-store "/tmp/test-guile"
+                                   #:guile-extra-store "/tmp/test-guile-extra"
+                                   #:shepherd-store "/tmp/test-shepherd"
+                                   #:guile-newt-store "/tmp/test-guile-newt"))
+
+(define development-script
+  (assoc-ref generated-files "usr/local/bin/fruix-development-environment"))
+(define build-script
+  (assoc-ref generated-files "usr/local/bin/fruix-build-environment"))
+
+(define (install-targets package)
+  (map (lambda (entry)
+         (match entry
+           ((_ _ target) target)))
+       (freebsd-package-install-plan package)))
+
+(define (package-present? package packages)
+  (member (freebsd-package-name package)
+          (map freebsd-package-name packages)))
+
+(define (path-directory path)
+  (let ((index (string-index-right path #\/)))
+    (if index
+        (substring path 0 index)
+        ".")))
+
+(define (symlink-target-exists? path)
+  (let ((target (false-if-exception (readlink path))))
+    (and target
+         (file-exists? (string-append (path-directory path) "/" target)))))
+
+(define (path-present? path)
+  (or (file-exists? path)
+      (false-if-exception (readlink path))))
+
+(define (merge-node source destination)
+  (let ((kind (stat:type (lstat source))))
+    (case kind
+      ((directory)
+       (mkdir-p destination)
+       (for-each (lambda (entry)
+                   (merge-node (string-append source "/" entry)
+                               (string-append destination "/" entry)))
+                 (directory-entries source)))
+      ((symlink)
+       (unless (path-present? destination)
+         (mkdir-p (path-directory destination))
+         (symlink (readlink source) destination)))
+      (else
+       (unless (file-exists? destination)
+         (copy-node source destination))))))
+
+(define (merge-package-output source-root target-root)
+  (mkdir-p target-root)
+  (for-each (lambda (entry)
+              (unless (string-prefix? "." entry)
+                (merge-node (string-append source-root "/" entry)
+                            (string-append target-root "/" entry))))
+            (directory-entries source-root)))
+
+(define (with-directory directory thunk)
+  (let ((cwd (getcwd)))
+    (dynamic-wind
+      (lambda () (chdir directory))
+      thunk
+      (lambda () (chdir cwd)))))
+
+(test-begin "dev-tools-packages")
+
+(test-assert "development profile includes nodejs"
+  (package-present? freebsd-nodejs %freebsd-host-staged-development-profile-packages))
+(test-assert "development profile includes npm"
+  (package-present? freebsd-npm %freebsd-host-staged-development-profile-packages))
+(test-assert "development profile includes ripgrep"
+  (package-present? freebsd-ripgrep %freebsd-host-staged-development-profile-packages))
+(test-assert "development profile includes tmux"
+  (package-present? freebsd-tmux %freebsd-host-staged-development-profile-packages))
+(test-assert "development profile includes neovim"
+  (package-present? freebsd-neovim %freebsd-host-staged-development-profile-packages))
+
+(test-assert "nodejs stages key paths"
+  (every (lambda (target)
+           (member target (install-targets freebsd-nodejs)))
+         '("bin/node" "include/node" "share/man/man1/node.1.gz")))
+(test-assert "npm stages key paths"
+  (every (lambda (target)
+           (member target (install-targets freebsd-npm)))
+         '("bin/npm" "bin/npx" "bin/node-gyp" "etc/npmrc" "lib/node_modules/npm")))
+(test-assert "ripgrep stages key paths"
+  (every (lambda (target)
+           (member target (install-targets freebsd-ripgrep)))
+         '("bin/rg" "share/man/man1/rg.1.gz")))
+(test-assert "tmux stages key paths"
+  (every (lambda (target)
+           (member target (install-targets freebsd-tmux)))
+         '("bin/tmux" "share/examples/tmux/example_tmux.conf" "share/man/man1/tmux.1.gz")))
+(test-assert "neovim stages key paths"
+  (every (lambda (target)
+           (member target (install-targets freebsd-neovim)))
+         '("bin/nvim" "share/nvim" "lib/nvim" "lib/lua/5.1/lpeg.so")))
+
+(test-assert "development helper exports runtime library path"
+  (string-contains development-script "export LD_LIBRARY_PATH=\"$profile/lib:$profile/usr/lib"))
+(test-assert "development helper exports node path"
+  (string-contains development-script "export NODE_PATH=\"$profile/lib/node_modules"))
+(test-assert "development helper exports vimruntime"
+  (string-contains development-script "export VIMRUNTIME=\"$profile/share/nvim/runtime\""))
+(test-assert "build helper exports runtime library path"
+  (string-contains build-script "export LD_LIBRARY_PATH=\"$profile/lib:$profile/usr/lib"))
+
+(let* ((store-dir (mktemp-directory "/tmp/fruix-dev-tools-store.XXXXXX"))
+       (profile-dir (mktemp-directory "/tmp/fruix-dev-tools-profile.XXXXXX"))
+       (cache (make-hash-table))
+       (source-cache (make-hash-table))
+       (package-stores
+        (map (lambda (package)
+               (cons (freebsd-package-name package)
+                     (materialize-freebsd-package package store-dir cache source-cache)))
+             dev-tool-packages))
+       (node-store (assoc-ref package-stores "freebsd-nodejs"))
+       (npm-store (assoc-ref package-stores "freebsd-npm"))
+       (ripgrep-store (assoc-ref package-stores "freebsd-ripgrep"))
+       (tmux-store (assoc-ref package-stores "freebsd-tmux"))
+       (neovim-store (assoc-ref package-stores "freebsd-neovim"))
+       (npm-workdir (mktemp-directory "/tmp/fruix-npm-local.XXXXXX"))
+       (home-dir (string-append npm-workdir "/home"))
+       (pkg-dir (string-append npm-workdir "/pkg-a")))
+  (for-each (lambda (store)
+              (merge-package-output (cdr store) profile-dir))
+            package-stores)
+
+  (test-assert "nodejs materialization copies libuv target"
+    (symlink-target-exists? (string-append node-store "/lib/libuv.so.1")))
+  (test-assert "ripgrep materialization copies pcre2 target"
+    (symlink-target-exists? (string-append ripgrep-store "/lib/libpcre2-8.so.0")))
+  (test-assert "tmux materialization copies libevent target"
+    (symlink-target-exists? (string-append tmux-store "/lib/libevent_core-2.1.so.7")))
+  (test-assert "neovim materialization copies libluv target"
+    (symlink-target-exists? (string-append neovim-store "/lib/libluv.so.1")))
+
+  (mkdir-p home-dir)
+  (mkdir-p pkg-dir)
+  (write-file (string-append pkg-dir "/package.json")
+              "{\"name\":\"pkg-a\",\"version\":\"1.0.0\",\"main\":\"index.js\"}\n")
+  (write-file (string-append pkg-dir "/index.js")
+              "module.exports = 42;\n")
+  (write-file (string-append npm-workdir "/package.json")
+              "{\"name\":\"rootproj\",\"version\":\"1.0.0\",\"dependencies\":{\"pkg-a\":\"file:./pkg-a\"}}\n")
+
+  (setenv "HOME" home-dir)
+  (setenv "PATH" (string-append profile-dir "/bin:/bin:/usr/bin"))
+  (setenv "LD_LIBRARY_PATH" (string-append profile-dir "/lib:" profile-dir "/usr/lib:/lib:/usr/lib"))
+  (setenv "NODE_PATH" (string-append profile-dir "/lib/node_modules"))
+  (setenv "VIMRUNTIME" (string-append profile-dir "/share/nvim/runtime"))
+  (setenv "LUA_CPATH" (string-append profile-dir "/lib/lua/5.1/?.so;;"))
+
+  (test-assert "materialized node runs"
+    (string-prefix? "v24.14.0"
+                    (command-output (string-append profile-dir "/bin/node") "--version")))
+  (test-assert "materialized npm runs"
+    (string-prefix? "11.11.0"
+                    (command-output (string-append profile-dir "/bin/npm") "--version")))
+  (test-assert "materialized ripgrep runs"
+    (string-prefix? "ripgrep 15.1.0"
+                    (command-output (string-append profile-dir "/bin/rg") "--version")))
+  (test-assert "materialized tmux runs"
+    (string-prefix? "tmux 3.6a"
+                    (command-output (string-append profile-dir "/bin/tmux") "-V")))
+  (test-assert "materialized neovim runs"
+    (string-prefix? "NVIM v0.12.0"
+                    (command-output (string-append profile-dir "/bin/nvim") "--version")))
+
+  (with-directory
+   npm-workdir
+   (lambda ()
+     (run-command (string-append profile-dir "/bin/npm")
+                  "install"
+                  "--ignore-scripts"
+                  "--no-audit"
+                  "--no-fund")
+     (test-assert "npm local install works"
+       (file-exists? (string-append npm-workdir "/node_modules/pkg-a/package.json")))
+     (test-equal "npm exec can run node against the local dependency"
+       "42"
+       (command-output (string-append profile-dir "/bin/npm")
+                       "exec"
+                       "--"
+                       "node"
+                       "-e"
+                       "process.stdout.write(String(require(\"pkg-a\")))")))))
+
+(test-end "dev-tools-packages")
diff --git a/tests/run-dev-tools-packages.sh b/tests/run-dev-tools-packages.sh
new file mode 100755
index 0000000..dcc4a39
--- /dev/null
+++ b/tests/run-dev-tools-packages.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+set -eu
+
+repo_root=$(CDPATH= cd -- "$(dirname "$0")/.." && pwd)
+. "$HOME/.local/opt/fruix-builder/env.sh"
+
+guile_version=$($GUILE_BIN -c '(display (effective-version))')
+guile_load_path="$repo_root/modules:$GUIX_SOURCE_DIR:$HOME/.local/opt/fruix-builder/shepherd/share/guile/site/$guile_version${GUILE_LOAD_PATH:+:$GUILE_LOAD_PATH}"
+guile_load_compiled_path="$HOME/.local/opt/fruix-builder/shepherd/lib/guile/$guile_version/site-ccache${GUILE_LOAD_COMPILED_PATH:+:$GUILE_LOAD_COMPILED_PATH}"
+
+env \
+  GUILE_AUTO_COMPILE=0 \
+  GUILE_LOAD_PATH="$guile_load_path" \
+  GUILE_LOAD_COMPILED_PATH="$guile_load_compiled_path" \
+  "$GUILE_BIN" --no-auto-compile "$repo_root/tests/dev-tools-packages.scm"