diff --git a/pkgs/by-name/st/stc/package.nix b/pkgs/by-name/st/stc/package.nix
new file mode 100644
index 000000000000..80e3dff876ad
--- /dev/null
+++ b/pkgs/by-name/st/stc/package.nix
@@ -0,0 +1,70 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchpatch,
+  flex,
+  meson,
+  ninja,
+  pkg-config,
+  testers,
+  validatePkgConfig,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "stc";
+  version = "5.0";
+
+  outputs = [
+    "out"
+    "dev"
+    "doc"
+  ];
+
+  src = fetchFromGitHub {
+    owner = "stclib";
+    repo = "STC";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-JiFyJN+hAbzTHqim1i6TJFmKfHlnOfP3yDLCZDE7uqo=";
+  };
+
+  patches = [
+    # Backport pkg-config support and follow-up fixes from upstream.
+    (fetchpatch {
+      url = "https://github.com/stclib/STC/commit/92751b4d04b2d980d640b28bd22a9cd651d77c6a.patch";
+      hash = "sha256-11sE5pS7sqdfCGsGlvajkfgCf+QIkRFp4Js2//kAI3s=";
+    })
+    (fetchpatch {
+      url = "https://github.com/stclib/STC/commit/0fa9ad03516ba0f71b38674f0ec631929368f385.patch";
+      hash = "sha256-e1rhrKaf9fFAmSi8Puo494iG+hAdHZFzyn8IJoKjdAI=";
+    })
+  ];
+
+  postPatch = ''
+    meson rewrite kwargs set project / version '${finalAttrs.version}'
+  '';
+
+  nativeBuildInputs = [
+    flex
+    meson
+    ninja
+    pkg-config
+    validatePkgConfig
+  ];
+
+  doCheck = true;
+
+  passthru.tests.pkg-config = testers.hasPkgConfigModules {
+    package = finalAttrs.finalPackage;
+    versionCheck = true;
+  };
+
+  meta = {
+    description = "C99 container library with generic and type-safe data structures";
+    homepage = "https://github.com/stclib/STC";
+    changelog = "https://github.com/stclib/STC/releases/tag/v${finalAttrs.version}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ anthonyroussel ];
+    pkgConfigModules = [ "stc" ];
+  };
+})