diff --git a/reaction_graphs.pl b/reaction_graphs.pl
new file mode 100644
index 0000000000000000000000000000000000000000..692079c0ee5c832f999d6d0d06d7d33bc4be6efc
--- /dev/null
+++ b/reaction_graphs.pl
@@ -0,0 +1,23 @@
+:- module(
+  reaction_graphs,
+  [
+    reaction_graph/0,
+    draw_reactions/0,
+    export_dot/1
+  ]
+).
+
+:- devdoc('\\section{Commands}').
+
+reaction_graph :-
+  biocham_command,
+  doc('').
+
+draw_reactions :-
+  biocham_command,
+  doc('').
+
+export_dot(InputFile) :-
+  biocham_command,
+  type(InputFile, input_file),
+  doc('').