diff --git a/ports/astr/portfile.cmake b/ports/astr/portfile.cmake
new file mode 100644
index 0000000000..f50b630453
--- /dev/null
+++ b/ports/astr/portfile.cmake
@@ -0,0 +1,25 @@
+vcpkg_from_github(
+  OUT_SOURCE_PATH SOURCE_PATH
+  REPO a4z/astr
+  REF "${VERSION}"
+  SHA512 4b730674d992efa94c3b4d290aeafc0b076fc6ca6033cc2aed90b92d77ff19498fb5af9fa83fa7b136d428e762518d9fb28bacf3965a9f4030f39e73aca89630
+  HEAD_REF main
+)
+
+set(VCPKG_BUILD_TYPE release) # header-only
+
+vcpkg_cmake_configure(
+  SOURCE_PATH "${SOURCE_PATH}"
+  OPTIONS
+      -DBUILD_TESTING=OFF
+)
+
+vcpkg_cmake_install()
+
+vcpkg_cmake_config_fixup(CONFIG_PATH lib/cmake/${PORT})
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/lib")
+
+configure_file("${CMAKE_CURRENT_LIST_DIR}/usage" "${CURRENT_PACKAGES_DIR}/share/${PORT}/usage" COPYONLY)
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
diff --git a/ports/astr/usage b/ports/astr/usage
new file mode 100644
index 0000000000..d6f087444f
--- /dev/null
+++ b/ports/astr/usage
@@ -0,0 +1,4 @@
+astr provides CMake targets:
+
+     find_package(astr CONFIG REQUIRED)
+     target_link_libraries(main PRIVATE a4z::astr)
diff --git a/ports/astr/vcpkg.json b/ports/astr/vcpkg.json
new file mode 100644
index 0000000000..9bfd3833d2
--- /dev/null
+++ b/ports/astr/vcpkg.json
@@ -0,0 +1,17 @@
+{
+  "name": "astr",
+  "version": "0.2.1",
+  "description": "Compile-time array string header-only library.",
+  "homepage": "https://github.com/a4z/astr",
+  "license": "MPL-2.0",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ]
+}
diff --git a/versions/a-/astr.json b/versions/a-/astr.json
new file mode 100644
index 0000000000..7386923504
--- /dev/null
+++ b/versions/a-/astr.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "a1f0a0fddb4d32a4b31a61a3ba5fb4ce21ef998f",
+      "version": "0.2.1",
+      "port-version": 0
+    }
+  ]
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index 7a5a383287..4c013144c7 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -280,6 +280,10 @@
       "baseline": "5.4.0",
       "port-version": 0
     },
+    "astr": {
+      "baseline": "0.2.1",
+      "port-version": 0
+    },
     "async-mqtt": {
       "baseline": "5.1.1",
       "port-version": 0