diff --git a/Main.hs b/Main.hs
deleted file mode 100644
index 107c76b..0000000
--- a/Main.hs
+++ /dev/null
@@ -1,7 +0,0 @@
-module Main where
-
-import Bril
-
-main :: IO ()
-main = do
-    putStrLn $ "Hello World!"
diff --git a/bin/Parse.hs b/bin/Parse.hs
new file mode 100644
index 0000000..ae31516
--- /dev/null
+++ b/bin/Parse.hs
@@ -0,0 +1,17 @@
+module Main where
+
+import Data.Either (isRight)
+import qualified Data.ByteString.Lazy as B
+import System.Exit
+import Bril
+
+main :: IO ()
+main = do
+    json <- B.getContents
+    let parsed = parseBrilJSON json
+    if isRight parsed
+       then do
+           B.putStr json
+           exitWith ExitSuccess
+        else
+            exitWith (ExitFailure 1)
diff --git a/eoc.cabal b/eoc.cabal
index e835148..6b2303a 100644
--- a/eoc.cabal
+++ b/eoc.cabal
@@ -30,12 +30,13 @@ library eoc-lib
   default-language: Haskell2010
   default-extensions: DeriveGeneric, OverloadedStrings
 
-executable eoc
-  main-is:             Main.hs
+executable parse
+  main-is:             bin/Parse.hs
   -- other-modules:
   -- other-extensions:
   build-depends:
       base >=4.13 && <4.18,
+      bytestring ^>= 0.11,
       eoc-lib
   -- hs-source-dirs:
   default-language:    Haskell2010
diff --git a/run-tests.sh b/run-tests.sh
new file mode 100755
index 0000000..bc14b9f
--- /dev/null
+++ b/run-tests.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+turnt bril-sources/*.json
diff --git a/turnt.toml b/turnt.toml
new file mode 100644
index 0000000..7102c04
--- /dev/null
+++ b/turnt.toml
@@ -0,0 +1 @@
+command = "cabal run -v0 parse < {filename}"