diff --git a/scripts/zarr_reader_open b/scripts/zarr_reader_open
new file mode 100755
index 0000000..0072d7f
--- /dev/null
+++ b/scripts/zarr_reader_open
@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+set -e
+set -u
+set -x
+
+export INVOCATION_DIR=${INVOCATION_DIR:-$PWD}
+
+echo =======================
+echo Current Directory: $PWD
+echo Invocation Directory: ${INVOCATION_DIR}
+echo =======================
+
+# Install bftools if missing
+test -e ${INVOCATION_DIR}/bftools || {
+    pushd ${INVOCATION_DIR}
+    test -e bftools.zip || wget https://downloads.openmicroscopy.org/bio-formats/latest/artifacts/bftools.zip
+    unzip bftools
+    popd
+}
+
+# Build ZarrReader if not built
+test -e ${INVOCATION_DIR}/ZarrReader  || {
+    git clone git://github.com/ome/ZarrReader ${INVOCATION_DIR}/ZarrReader
+    pushd ${INVOCATION_DIR}ZarrReader
+    mvn package -DskipTests # 1>&2
+    popd
+}
+
+export BF_CP=${INVOCATION_DIR}/ZarrReader/target/\*
+${INVOCATION_DIR}/bftools/showinf -format Zarr -nopix "$@"/.zattrs
diff --git a/suites.yml b/suites.yml
index 1079cdc..666e18d 100644
--- a/suites.yml
+++ b/suites.yml
@@ -7,3 +7,6 @@
 
 - name: checksum
   script: zarr_checksum
+
+- name: reader
+  script: zarr_reader_open
diff --git a/test_suite.py b/test_suite.py
index b5ebb8f..9d3fcbf 100644
--- a/test_suite.py
+++ b/test_suite.py
@@ -180,7 +180,9 @@ def source(request: SubRequest, tmpdir: py.path.local) -> typing.Iterator[Source
 def suite(request: SubRequest, tmpdir: os.PathLike) -> typing.Iterator[Suite]:
     doc = request.param
     script = doc["script"]
-    script = f"{request.config.invocation_dir}/scripts/{script}"
+    idir = f"{request.config.invocation_dir}"
+    os.environ["INVOCATION_DIR"] = idir
+    script = f"{idir}/scripts/{script}"
     yield Suite(script)