diff --git a/fish/functions/manifest.fish b/fish/functions/manifest.fish
new file mode 100644
index 0000000..362cb28
--- /dev/null
+++ b/fish/functions/manifest.fish
@@ -0,0 +1,3 @@
+function manifest --argument-name jar_file
+    unzip -p "$jar_file" META-INF/MANIFEST.MF
+end