diff --git a/pkgs/by-name/yf/yffi/package.nix b/pkgs/by-name/yf/yffi/package.nix
new file mode 100644
index 000000000000..6bebf3fe9c20
--- /dev/null
+++ b/pkgs/by-name/yf/yffi/package.nix
@@ -0,0 +1,50 @@
+{
+  fetchFromGitHub,
+  lib,
+  rust-cbindgen,
+  rustPlatform,
+  stdenv,
+}:
+
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "yffi";
+  version = "0.24.0";
+
+  src = fetchFromGitHub {
+    owner = "y-crdt";
+    repo = "y-crdt";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-RFdLEsKQxt8BGqbf5FFM7mZD64glW7bTKRJaAQOe+vo=";
+  };
+
+  cargoHash = "sha256-RL9lBc7lSmc6jOavE5lZupmaNGZgQhJBedNhjfHVajg=";
+
+  buildAndTestSubdir = "yffi";
+
+  nativeBuildInputs = [
+    rust-cbindgen
+  ];
+
+  postBuild = ''
+    cbindgen --config yffi/cbindgen.toml --crate yffi --output libyrs.h --lang C
+  '';
+
+  postCheck = ''
+    $CXX -o yrs-ffi-tests -I . tests-ffi/main.cpp target/${stdenv.hostPlatform.rust.cargoShortTarget}/release/libyrs.a
+    ./yrs-ffi-tests
+  '';
+
+  postInstall = ''
+    install -Dm644 libyrs.h $out/include/libyrs.h
+  '';
+
+  meta = {
+    description = "C foreign function interface for Yrs";
+    homepage = "https://github.com/y-crdt/y-crdt/tree/main/yffi";
+    downloadPage = "https://github.com/y-crdt/y-crdt/tags";
+    changelog = "https://github.com/y-crdt/y-crdt/releases/tag/${finalAttrs.src.tag}";
+    license = lib.licenses.mit;
+    teams = with lib.teams; [ ngi ];
+    platforms = with lib.platforms; linux;
+  };
+})