diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 3e1a1e1cbcfec..74009f788ac09 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -10935,6 +10935,13 @@
     githubId = 22916782;
     name = "Joan Massachs";
   };
+  joaomoreira = {
+    matrix = "@joaomoreira:matrix.org";
+    github = "joaoymoreira";
+    githubId = 151087767;
+    name = "João Moreira";
+    keys = [ { fingerprint = "F457 0A3A 5F89 22F8 F572  E075 EF8B F2C8 C5F4 097D"; } ];
+  };
   joaquintrinanes = {
     email = "hi@joaquint.io";
     github = "JoaquinTrinanes";
diff --git a/pkgs/by-name/ki/kind-lang/derivation.nix b/pkgs/by-name/ki/kind-lang/derivation.nix
new file mode 100644
index 0000000000000..a2c55b89a0432
--- /dev/null
+++ b/pkgs/by-name/ki/kind-lang/derivation.nix
@@ -0,0 +1,46 @@
+# CABAL2NIX AUTOGENERATED THIS FILE.
+{
+  mkDerivation,
+  ansi-terminal,
+  base,
+  containers,
+  directory,
+  fetchgit,
+  filepath,
+  hs-highlight,
+  lib,
+  mtl,
+  parsec,
+}:
+mkDerivation {
+  pname = "kind-lang";
+  version = "0.1.0.0";
+  src = fetchgit {
+    url = "https://github.com/higherorderco/kind.git";
+    sha256 = "1g4pikxh42p3hikzyfzf11cs7zd1miaxapyf8pijdcxhpdx7wwl0";
+    rev = "5cfff210b3aeed01ebd73b2364cf9e5d2df658af";
+    fetchSubmodules = false;
+  };
+  isLibrary = true;
+  isExecutable = true;
+  libraryHaskellDepends = [
+    ansi-terminal
+    base
+    containers
+    directory
+    filepath
+    hs-highlight
+    mtl
+    parsec
+  ];
+  executableHaskellDepends = [
+    ansi-terminal
+    base
+    directory
+    filepath
+    hs-highlight
+    mtl
+  ];
+  license = lib.licenses.mit;
+  mainProgram = "kind";
+}
diff --git a/pkgs/by-name/ki/kind-lang/package.nix b/pkgs/by-name/ki/kind-lang/package.nix
new file mode 100644
index 0000000000000..613d310a5dfe3
--- /dev/null
+++ b/pkgs/by-name/ki/kind-lang/package.nix
@@ -0,0 +1,34 @@
+{
+  haskell,
+  lib,
+}:
+
+let
+  inherit (haskell.lib.compose) overrideCabal justStaticExecutables;
+
+  # See kind-lang.cabal. GHC2024 >= ghc910.
+  ghcVersion = "ghc910";
+  haskellPackages = haskell.packages.${ghcVersion};
+
+  overrides = rec {
+    version = "${raw-pkg.version}-unstable-2024-12-09";
+
+    postPatch = ''
+      sed -i -E \
+        's/([ ,]+[^ =]+)[ =^><]+[0-9.]+/\1/' \
+        kind-lang.cabal
+    '';
+
+    # Test suite does nothing.
+    doCheck = false;
+
+    maintainers = with lib.maintainers; [ joaomoreira ];
+  };
+
+  # cabal2nix auto-generated derivation.nix.
+  raw-pkg = haskellPackages.callPackage ./derivation.nix { };
+in
+lib.pipe raw-pkg [
+  (overrideCabal overrides)
+  justStaticExecutables
+]