diff --git a/backend/dev/user.clj b/backend/dev/user.clj
index 5d0cb7e37..efe2c935a 100644
--- a/backend/dev/user.clj
+++ b/backend/dev/user.clj
@@ -7,6 +7,7 @@
 (ns user
   (:require
    [app.common.data :as d]
+   [app.common.debug :as debug]
    [app.common.exceptions :as ex]
    [app.common.files.helpers :as cfh]
    [app.common.fressian :as fres]
@@ -55,8 +56,12 @@
    [promesa.exec :as px]))
 
 (repl/disable-reload! (find-ns 'integrant.core))
+(repl/disable-reload! (find-ns 'app.common.debug))
+
 (set! *warn-on-reflection* true)
 
+(add-tap #'debug/tap-handler)
+
 ;; --- Benchmarking Tools
 
 (defmacro run-quick-bench
@@ -132,12 +137,6 @@
 ;;        :v6 v6
 ;;        }])))
 
-(defonce debug-tap
-  (do
-    (add-tap #(locking debug-tap
-                (prn "tap debug:" %)))
-    1))
-
 
 (defn calculate-frames
   [{:keys [data]}]
diff --git a/common/src/app/common/debug.clj b/common/src/app/common/debug.clj
new file mode 100644
index 000000000..f23c498ed
--- /dev/null
+++ b/common/src/app/common/debug.clj
@@ -0,0 +1,36 @@
+;; This Source Code Form is subject to the terms of the Mozilla Public
+;; License, v. 2.0. If a copy of the MPL was not distributed with this
+;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;;
+;; Copyright (c) KALEIDOS INC
+
+(ns app.common.debug
+  (:require
+   [app.common.logging :as l]
+   [app.common.pprint :as pp]))
+
+(defn pprint
+  [expr]
+  (l/raw! :debug
+          (binding [*print-level* pp/default-level
+                    *print-length* pp/default-length]
+            (with-out-str
+              (println "tap dbg:")
+              (pp/pprint expr {:max-width pp/default-width})))))
+
+
+(def store (atom {}))
+
+(defn get-stored
+  []
+  (deref store))
+
+(defn tap-handler
+  [v]
+  (if (and (vector? v)
+           (keyword (first v)))
+    (let [[command obj] v]
+      (case command
+        (:print :prn :pprint) (pprint obj)
+        :store  (reset! store obj)))
+    (pprint v)))
diff --git a/common/src/app/common/pprint.cljc b/common/src/app/common/pprint.cljc
index 66925e7ef..e1c9ea39e 100644
--- a/common/src/app/common/pprint.cljc
+++ b/common/src/app/common/pprint.cljc
@@ -9,9 +9,26 @@
   (:require
    [me.flowthing.pp :as pp]))
 
+(def default-level 8)
+(def default-length 25)
+(def default-width 120)
+
+#?(:clj
+   (defn set-defaults
+     [& {:keys [level width length]}]
+     (when length
+       (alter-var-root #'default-length (constantly length)))
+     (when width
+       (alter-var-root #'default-width (constantly width)))
+     (when level
+       (alter-var-root #'default-level (constantly level)))
+     nil))
+
 (defn pprint
   [expr & {:keys [width level length]
-           :or {width 120 level 8 length 25}}]
+           :or {width default-width
+                level default-level
+                length default-length}}]
   (binding [*print-level* level
             *print-length* length]
     (pp/pprint expr {:max-width width})))