diff --git a/agent_sdks/python/a2ui_core/pyproject.toml b/agent_sdks/python/a2ui_core/pyproject.toml
index 1537e5ac23..dd335fe4d8 100644
--- a/agent_sdks/python/a2ui_core/pyproject.toml
+++ b/agent_sdks/python/a2ui_core/pyproject.toml
@@ -14,7 +14,7 @@
 
 [project]
 name = "a2ui-core"
-version = "0.1.0"
+dynamic = ["version"]
 description = "A2UI Python SDK - Core Library"
 readme = "README.md"
 requires-python = ">=3.14"
@@ -35,6 +35,9 @@ dev = [
 requires = ["hatchling"]
 build-backend = "hatchling.build"
 
+[tool.hatch.version]
+path = "src/a2ui/core/version.py"
+
 [tool.hatch.build.targets.wheel]
 packages = ["src/a2ui"]
 
diff --git a/agent_sdks/python/a2ui_core/src/a2ui/core/__init__.py b/agent_sdks/python/a2ui_core/src/a2ui/core/__init__.py
new file mode 100644
index 0000000000..d0d3aac386
--- /dev/null
+++ b/agent_sdks/python/a2ui_core/src/a2ui/core/__init__.py
@@ -0,0 +1,15 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from a2ui.core.version import __version__ as __version__
diff --git a/agent_sdks/python/a2ui_core/src/a2ui/core/version.py b/agent_sdks/python/a2ui_core/src/a2ui/core/version.py
new file mode 100644
index 0000000000..fe518497ec
--- /dev/null
+++ b/agent_sdks/python/a2ui_core/src/a2ui/core/version.py
@@ -0,0 +1,20 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# File-based dynamic versioning
+# - The next release version
+# - Version format: major.minor.patch
+# - Update the version in this file before releasing
+#
+__version__ = "0.0.3"
diff --git a/agent_sdks/python/a2ui_core/uv.lock b/agent_sdks/python/a2ui_core/uv.lock
index daa296c2bf..dec8c518e3 100644
--- a/agent_sdks/python/a2ui_core/uv.lock
+++ b/agent_sdks/python/a2ui_core/uv.lock
@@ -4,7 +4,6 @@ requires-python = ">=3.14"
 
 [[package]]
 name = "a2ui-core"
-version = "0.1.0"
 source = { editable = "." }
 dependencies = [
     { name = "jsonschema" },
diff --git a/agent_sdks/python/a2ui_agent/release.sh b/agent_sdks/python/release.sh
similarity index 60%
rename from agent_sdks/python/a2ui_agent/release.sh
rename to agent_sdks/python/release.sh
index 8482ebcd84..66fa4adadf 100755
--- a/agent_sdks/python/a2ui_agent/release.sh
+++ b/agent_sdks/python/release.sh
@@ -13,11 +13,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 set -e # Exit on error
-#set -x # Echo commands
 
-PACKAGE_NAME="a2ui-agent-sdk"
+# Check arguments
+if [ -z "$1" ]; then
+  echo "Usage: $0 <a2ui_agent|a2ui_core>"
+  exit 1
+fi
+
+SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
+TARGET_DIR="${SCRIPT_DIR}/${1}"
+
+if [ ! -d "$TARGET_DIR" ]; then
+  echo "Error: Directory '$TARGET_DIR' does not exist."
+  exit 1
+fi
+
+cd "$TARGET_DIR"
+
+# Read package name from pyproject.toml
+if [ ! -f "pyproject.toml" ]; then
+  echo "Error: pyproject.toml not found in '$TARGET_DIR'."
+  exit 1
+fi
+
+PACKAGE_NAME=$(python3 -c "import tomllib; print(tomllib.load(open('pyproject.toml', 'rb'))['project']['name'])")
+VERSION=$(uv run --with hatch hatch version)
+
+echo "Releasing package: $PACKAGE_NAME ($VERSION) from folder: $TARGET_DIR"
+
 REPOSITORY="a2ui--pypi"
 PROJECT="oss-exit-gate-prod"
 LOCATION="us"
@@ -36,29 +60,27 @@ echo "--- Uploading the package ---"
 twine --version
 twine check dist/*
 
-version=$(uv run python -c "import a2ui; print(a2ui.__version__)")
-
 # Authenticate with Google Cloud
 if ! gcloud auth application-default print-access-token --quiet > /dev/null; then
   gcloud auth application-default login
 fi
 
 # Check if the version already exists in the staging repository
-if gcloud artifacts versions describe "$version" --package=$PACKAGE_NAME --repository=$REPOSITORY --location=$LOCATION --project=$PROJECT > /dev/null 2>&1; then
-  echo "Version $version already exists in Artifact Registry. Skip the release."
-  echo "Hint: If you intended to release a new version, please update 'src/a2ui/version.py'."
+if gcloud artifacts versions describe "$VERSION" --package="$PACKAGE_NAME" --repository="$REPOSITORY" --location="$LOCATION" --project="$PROJECT" > /dev/null 2>&1; then
+  echo "Version $VERSION of $PACKAGE_NAME already exists in Artifact Registry. Skip the release."
+  echo "Hint: If you intended to release a new version, please update its version in pyproject.toml or version.py."
   exit 0
 fi
 
-twine upload --repository-url $REPOSITORY_URL dist/*
-echo "Version $version uploaded to Artifact Registry."
+twine upload --repository-url "$REPOSITORY_URL" dist/*
+echo "Version $VERSION of $PACKAGE_NAME uploaded to Artifact Registry."
 
 echo "--- Creating manifest.json ---"
 MANIFEST_FILE="manifest.json"
 echo '{ "publish_all": true }' > $MANIFEST_FILE
 
 echo "--- Uploading manifest to GCS to trigger OSS Exit Gate ---"
-MANIFEST_NAME="manifest-${version}-$(date +%Y%m%d%H%M%S).json"
+MANIFEST_NAME="manifest-${VERSION}-$(date +%Y%m%d%H%M%S).json"
 gcloud storage cp $MANIFEST_FILE "${GCS_URI}/${MANIFEST_NAME}"
 rm -rf $MANIFEST_FILE