diff --git a/ports/thermadiag-seq/portfile.cmake b/ports/thermadiag-seq/portfile.cmake
new file mode 100644
index 0000000000..e5b0b0b709
--- /dev/null
+++ b/ports/thermadiag-seq/portfile.cmake
@@ -0,0 +1,25 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO Thermadiag/seq
+    REF "v${VERSION}"
+    SHA512 a784727e9b720e811ffd4431b194305fdabd5719abeb69df6d6a85e4f16f796ab702e1c4790a3509f70f52d00f38b1775daab33648b781b7771d165c328692f8
+    HEAD_REF main
+)
+
+set(VCPKG_BUILD_TYPE release) # header-only port
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+    -DSEQ_BUILD_TESTS=OFF
+    -DSEQ_BUILD_BENCHS=OFF
+)
+
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup(PACKAGE_NAME seq CONFIG_PATH lib/cmake/seq)
+vcpkg_fixup_pkgconfig()
+file(RENAME "${CURRENT_PACKAGES_DIR}/share/pkgconfig/seq.pc" "${CURRENT_PACKAGES_DIR}/share/pkgconfig/${PORT}.pc")
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/lib")
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
diff --git a/ports/thermadiag-seq/vcpkg.json b/ports/thermadiag-seq/vcpkg.json
new file mode 100644
index 0000000000..383b7eb6ce
--- /dev/null
+++ b/ports/thermadiag-seq/vcpkg.json
@@ -0,0 +1,17 @@
+{
+  "name": "thermadiag-seq",
+  "version": "2.0",
+  "description": "a collection of original C++17 STL-like containers and related tools",
+  "homepage": "https://github.com/Thermadiag/seq",
+  "license": "MIT",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ]
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index 1529695261..b8e0b7d120 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -9564,6 +9564,10 @@
       "baseline": "1.8.0",
       "port-version": 2
     },
+    "thermadiag-seq": {
+      "baseline": "2.0",
+      "port-version": 0
+    },
     "think-cell-range": {
       "baseline": "2023.1",
       "port-version": 1
diff --git a/versions/t-/thermadiag-seq.json b/versions/t-/thermadiag-seq.json
new file mode 100644
index 0000000000..a12449f0e2
--- /dev/null
+++ b/versions/t-/thermadiag-seq.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "aefa3441d6dda2749bc6dfe36e7163c468486992",
+      "version": "2.0",
+      "port-version": 0
+    }
+  ]
+}