diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright Author name here (c) 2017
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Author name here nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
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+MFunctor instance for CPS style WriterT and RWST
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/src/Control/Monad/Trans/RWS/CPS/Morph.hs b/src/Control/Monad/Trans/RWS/CPS/Morph.hs
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--- /dev/null
+++ b/src/Control/Monad/Trans/RWS/CPS/Morph.hs
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+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
+module Control.Monad.Trans.RWS.CPS.Morph where
+
+import Control.Monad.Morph
+import Control.Monad.Trans.RWS.CPS.Internal
+
+instance MFunctor (RWST r w s) where
+    hoist nat (RWST m) = RWST (\r s w -> nat (m r s w))
diff --git a/src/Control/Monad/Trans/Writer/CPS/Morph.hs b/src/Control/Monad/Trans/Writer/CPS/Morph.hs
new file mode 100644
--- /dev/null
+++ b/src/Control/Monad/Trans/Writer/CPS/Morph.hs
@@ -0,0 +1,9 @@
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
+module Control.Monad.Trans.Writer.CPS.Morph where
+
+import Control.Monad.Morph
+import Control.Monad.Trans.Writer.CPS.Internal
+
+instance MFunctor (WriterT w) where
+    hoist nat (WriterT m) = WriterT (\w -> nat (m w))
diff --git a/writer-cps-morph.cabal b/writer-cps-morph.cabal
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--- /dev/null
+++ b/writer-cps-morph.cabal
@@ -0,0 +1,29 @@
+name:                writer-cps-morph
+version:             0.1.0.0
+synopsis:            MFunctor instance for CPS style WriterT and RWST
+description:         MFunctor instance for CPS style WriterT and RWST
+homepage:            https://github.com/louispan/writer-cps-morph#readme
+license:             BSD3
+license-file:        LICENSE
+author:              Louis Pan
+maintainer:          louis@pan.me
+copyright:           2017 Louis Pan
+category:            Web
+build-type:          Simple
+extra-source-files:  README.md
+cabal-version:       >=1.10
+tested-with:         GHC == 7.4.2, GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.1
+
+library
+  hs-source-dirs:      src
+  exposed-modules:     Control.Monad.Trans.Writer.CPS.Morph
+                     , Control.Monad.Trans.RWS.CPS.Morph
+  build-depends:       base < 6
+                     , mmorph >= 1 && < 2
+                     , writer-cps-transformers >= 0.1.1.2
+  ghc-options:         -Wall
+  default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: https://github.com/githubuser/writer-cps-morph