diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2014 Hirotomo Moriwaki
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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/apiary-persistent.cabal b/apiary-persistent.cabal
new file mode 100644
--- /dev/null
+++ b/apiary-persistent.cabal
@@ -0,0 +1,35 @@
+name:                apiary-persistent
+version:             0.4.2.0
+x-revision:          1
+synopsis:            persistent support for apiary web framework.
+description:
+  example: <https://github.com/philopon/apiary/blob/master/examples/persistent.hs>
+license:             MIT
+license-file:        LICENSE
+author:              HirotomoMoriwaki<philopon.dependence@gmail.com>
+maintainer:          HirotomoMoriwaki<philopon.dependence@gmail.com>
+Homepage:            https://github.com/philopon/apiary
+Bug-reports:         https://github.com/philopon/apiary/issues
+copyright:           (c) 2014 Hirotomo Moriwaki
+category:            Web
+build-type:          Simple
+stability:           experimental
+-- extra-source-files:  
+cabal-version:       >=1.10
+
+library
+  exposed-modules:     Web.Apiary.Database.Persist
+  other-modules:       
+  build-depends:       base               >=4.7   && <4.8
+                     , persistent         >=1.3   && <1.4
+                     , monad-logger       >=0.3   && <0.4
+                     , resourcet          >=1.1   && <1.2
+                     , mtl                >=2.1   && <2.2
+
+  hs-source-dirs:      src
+  ghc-options:         -O2 -Wall
+  default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: git://github.com/philopon/apiary.git
diff --git a/src/Web/Apiary/Database/Persist.hs b/src/Web/Apiary/Database/Persist.hs
new file mode 100644
--- /dev/null
+++ b/src/Web/Apiary/Database/Persist.hs
@@ -0,0 +1,67 @@
+{-# LANGUAGE ImplicitParams #-}
+{-# LANGUAGE NoMonomorphismRestriction #-}
+{-# LANGUAGE Rank2Types #-}
+{-# LANGUAGE ConstraintKinds #-}
+{-# LANGUAGE KindSignatures #-}
+
+module Web.Apiary.Database.Persist (
+    -- * configuration
+      ApiaryPersistConfig
+    , defaultApiaryPersistConfig
+
+    -- * runner
+    , withWithSqlPool, withWithSqlPool'
+
+    -- * execute sql
+    , runSql, runSql'
+
+    -- * types
+    , HasPersist, LogRunner
+
+    -- * reexport
+    , module Database.Persist.Sql
+    ) where
+
+import Database.Persist.Sql
+import Control.Monad.Logger
+import Control.Monad.Trans
+import Control.Monad.Trans.Resource
+
+type HasPersist l =
+    ?webApiaryDatabasePersistState :: ApiaryPersistState l
+
+type LogRunner l = forall a. l (ResourceT IO) a -> ResourceT IO a
+
+newtype ApiaryPersistConfig l = ApiaryPersistConfig
+    { runLogger  :: LogRunner l
+    }
+
+defaultApiaryPersistConfig :: ApiaryPersistConfig NoLoggingT
+defaultApiaryPersistConfig = ApiaryPersistConfig runNoLoggingT
+
+data ApiaryPersistState l = ApiaryPersistState
+    { runLogger' :: LogRunner l
+    , getPool    :: ConnectionPool
+    }
+
+runSql :: (MonadBaseControl IO (l (ResourceT IO)), MonadIO m, HasPersist l) => SqlPersistT (l (ResourceT IO)) a -> m a
+runSql = runSql' (runLogger' ?webApiaryDatabasePersistState)
+
+runSql' :: (MonadBaseControl IO logger, MonadIO m, HasPersist logger') => (logger a -> ResourceT IO b) -> SqlPersistT logger a -> m b
+runSql' run a =
+    liftIO .
+    runResourceT .
+    run $
+    runSqlPool a (getPool ?webApiaryDatabasePersistState)
+
+withWithSqlPool :: (forall a. (ConnectionPool -> m a) -> m a)
+                -> (HasPersist NoLoggingT => m b) -> m b
+withWithSqlPool = withWithSqlPool' defaultApiaryPersistConfig
+
+withWithSqlPool' :: ApiaryPersistConfig logger
+                 -> (forall a. (ConnectionPool -> m a) -> m a)
+                 -> (HasPersist logger => m b) -> m b
+withWithSqlPool' conf with m = with $ \pool -> do
+    let ?webApiaryDatabasePersistState = ApiaryPersistState (runLogger conf) pool
+    m
+