diff --git a/src/elin/schema/component.clj b/src/elin/schema/component.clj
new file mode 100644
index 00000000..7a797622
--- /dev/null
+++ b/src/elin/schema/component.clj
@@ -0,0 +1,17 @@
+(ns elin.schema.component
+  (:require
+   [elin.util.schema :as e.u.schema]))
+
+(def ?Atom
+  (e.u.schema/?instance clojure.lang.Atom))
+
+(def ?Interceptor
+  [:map
+   [:manager ?Atom]])
+
+(def ?Nrepl
+  [:map
+   [:interceptor ?Interceptor]
+   [:clients-store ?Atom]
+   [:current-client-key-store ?Atom]
+   [:writer-store ?Atom]])