diff --git a/pkgs/development/tools/misc/arcanist/default.nix b/pkgs/development/tools/misc/arcanist/default.nix
new file mode 100644
index 000000000000..bcc5e039ef57
--- /dev/null
+++ b/pkgs/development/tools/misc/arcanist/default.nix
@@ -0,0 +1,39 @@
+{ stdenv, fetchgit, php }:
+
+let
+  libphutil = fetchgit {
+    url    = "git://github.com/facebook/libphutil.git";
+    rev    = "1ba1de50e9ee1ca63e472f625282346693eb0a18";
+    sha256 = "d571906b6ecb3700f0d57498426d2ab2a5fbed469d739ee1e03d410215738d2f";
+  };
+  arcanist = fetchgit {
+    url    = "git://github.com/facebook/arcanist.git";
+    rev    = "c999f3e6b5c7edef82761ed1db00d79683e2e37a";
+    sha256 = "d1d9f5ada8ffcb02f03210356c5087019e164f456660469e2825dcbdf5f07d35";
+  };
+in
+stdenv.mkDerivation rec {
+  name    = "arcanist-${version}";
+  version = "20140521";
+
+  src = [ arcanist libphutil ];
+  buildInputs = [ php ];
+
+  unpackPhase = "true";
+  buildPhase = "true";
+  installPhase = ''
+    mkdir -p $out/bin $out/libexec
+    cp -R ${libphutil} $out/libexec/libphutil
+    cp -R ${arcanist}  $out/libexec/arcanist
+
+    ln -s $out/libexec/arcanist/bin/arc $out/bin
+  '';
+
+  meta = {
+    description = "Command line interface to Phabricator";
+    homepage    = "http://phabricator.org";
+    license     = stdenv.lib.licenses.apache;
+    platforms   = stdenv.lib.platforms.unix;
+    maintainers = [ stdenv.lib.maintainers.thoughtpolice ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 70cab717c169..67fc1d8ce760 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -468,6 +468,8 @@ let
 
   arandr = callPackage ../tools/X11/arandr { };
 
+  arcanist = callPackage ../development/tools/misc/arcanist {};
+
   arduino_core = callPackage ../development/arduino/arduino-core {
     jdk = jdk;
     jre = jdk;