diff --git a/Hack/Handler/CGI.hs b/Hack/Handler/CGI.hs
new file mode 100644
--- /dev/null
+++ b/Hack/Handler/CGI.hs
@@ -0,0 +1,76 @@
+module Hack.Handler.CGI
+    ( run
+    , helper
+    ) where
+
+import Hack
+import Data.Default
+import System.Environment (getEnvironment)
+import Data.Maybe (fromMaybe)
+import qualified Data.ByteString.Lazy as BS
+import Data.Word (Word8)
+
+safeRead :: Read a => a -> String -> a
+safeRead d s =
+  case reads s of
+    ((x, _):_) -> x
+    [] -> d
+
+lookup' :: String -> [(String, String)] -> String
+lookup' key pairs = fromMaybe "" $ lookup key pairs
+
+run :: Application -> IO ()
+run app = do
+    vars <- getEnvironment
+    body' <- BS.getContents
+    helper vars body' app >>= BS.putStr
+
+helper :: [(String, String)] -- ^ all variables
+       -> BS.ByteString -- ^ body of input
+       -> Application
+       -> IO BS.ByteString -- ^ full output
+helper vars body' app = do
+    let rmethod = safeRead GET $ lookup' "REQUEST_METHOD" vars
+        sname = lookup' "SCRIPT_NAME" vars
+        pinfo = lookup' "PATH_INFO" vars
+        qstring = lookup' "QUERY_STRING" vars
+        servername = lookup' "SERVER_NAME" vars
+        serverport = safeRead 80 $ lookup' "SERVER_PORT" vars
+    let env = def
+            { requestMethod = rmethod
+            , scriptName = sname
+            , pathInfo = pinfo
+            , queryString = qstring
+            , serverName = servername
+            , serverPort = serverport
+            , http = vars
+            , hackInput = body'
+            }
+    res <- app env
+    let h = headers res
+    let h' = case lookup "Content-type" h of
+                Nothing -> ("Content-type", "text/html; charset=utf-8") : h
+                Just _ -> h
+    let s = case status res of
+                0 -> 200
+                x -> x
+    return $ BS.concat
+        [ pack "Status: "
+        , pack $ show s
+        , pack "\n"
+        , BS.concat $ map showHeader h'
+        , pack "\n"
+        , body res
+        ]
+
+showHeader :: (String, String) -> BS.ByteString
+showHeader (x, y) = pack $ x ++ ": " ++ y ++ "\n"
+
+pack :: String -> BS.ByteString
+pack = BS.pack . map safeCharToWord8
+
+safeCharToWord8 :: Char -> Word8
+safeCharToWord8 c
+    | fromEnum c < 256 = toEnum $ fromEnum c
+    | otherwise = error $ "Out of bound character, value: " ++
+                          show (fromEnum c)
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,25 @@
+The following license covers this documentation, and the source code, except
+where otherwise indicated.
+
+Copyright 2008, Michael Snoyman. 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.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "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 HOLDERS 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/Setup.lhs b/Setup.lhs
new file mode 100644
--- /dev/null
+++ b/Setup.lhs
@@ -0,0 +1,7 @@
+#!/usr/bin/env runhaskell
+
+> module Main where
+> import Distribution.Simple
+
+> main :: IO ()
+> main = defaultMain
diff --git a/hack-handler-cgi.cabal b/hack-handler-cgi.cabal
new file mode 100644
--- /dev/null
+++ b/hack-handler-cgi.cabal
@@ -0,0 +1,17 @@
+name:            hack-handler-cgi
+version:         0.0.0
+license:         BSD3
+license-file:    LICENSE
+author:          Michael Snoyman <michael@snoyman.com>
+maintainer:      Michael Snoyman <michael@snoyman.com>
+synopsis:        Hack handler using network.cgi
+category:        Web
+stability:       stable
+cabal-version:   >= 1.2
+build-type:      Simple
+homepage:        http://github.com/snoyberg/hack-handler-cgi/tree/master
+
+library
+    build-depends:   base, bytestring, hack >= 2009.5.19 , data-default
+    exposed-modules: Hack.Handler.CGI
+    ghc-options:     -Wall