diff --git a/.luarc.json b/.luarc.json
index 19558f6..e240dd5 100644
--- a/.luarc.json
+++ b/.luarc.json
@@ -4,5 +4,6 @@
   "diagnostics.globals": ["vim"],
   "workspace.library": ["$VIMRUNTIME/lua", "${3rd}/luv/library"],
   "workspace.checkThirdParty": false,
+  "workspace.ignoreDir": [".direnv"],
   "completion.callSnippet": "Replace"
 }
diff --git a/.styluaignore b/.styluaignore
new file mode 100644
index 0000000..9b42106
--- /dev/null
+++ b/.styluaignore
@@ -0,0 +1 @@
+.direnv/
diff --git a/scripts/ci.sh b/scripts/ci.sh
new file mode 100755
index 0000000..7b5f52b
--- /dev/null
+++ b/scripts/ci.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+set -eu
+
+nix develop --command stylua --check .
+git ls-files '*.lua' | xargs nix develop --command selene --display-style quiet
+nix develop --command prettier --check .
+nix develop --command lua-language-server --check . --checklevel=Warning