diff --git a/build-system/Makefile b/build-system/Makefile
index e7027cf15..01324ec6b 100644
--- a/build-system/Makefile
+++ b/build-system/Makefile
@@ -51,6 +51,11 @@ check:
 	pnpm run compile
 	pnpm run check
 
+.PHONY: config-lib
+config-lib:
+	pnpm install --frozen-lockfile --filter @gnu-taler/taler-config-lib...
+	cd ./packages/taler-config-lib/ && pnpm link -g
+
 .PHONY: anastasis-webui
 anastasis-webui:
 	pnpm install --frozen-lockfile --filter @gnu-taler/anastasis-webui...
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 88dd919fb..bc48db43f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -160,6 +160,29 @@ importers:
       po2json: 0.4.5
       typescript: 4.5.5
 
+  packages/taler-config-lib:
+    specifiers:
+      '@types/node': ^17.0.17
+      ava: ^4.0.1
+      big-integer: ^1.6.51
+      esbuild: ^0.14.21
+      jed: ^1.1.1
+      prettier: ^2.5.1
+      rimraf: ^3.0.2
+      tslib: ^2.3.1
+      typescript: ^4.5.5
+    dependencies:
+      big-integer: 1.6.51
+      jed: 1.1.1
+      tslib: 2.3.1
+    devDependencies:
+      '@types/node': 17.0.17
+      ava: 4.0.1
+      esbuild: 0.14.21
+      prettier: 2.5.1
+      rimraf: 3.0.2
+      typescript: 4.5.5
+
   packages/taler-util:
     specifiers:
       '@types/node': ^17.0.17
@@ -6657,7 +6680,7 @@ packages:
     dev: true
 
   /array-find-index/1.0.2:
-    resolution: {integrity: sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E=}
+    resolution: {integrity: sha512-M1HQyIXcBGtVywBt8WVdim+lrNaK7VHp99Qt5pSNziXznKHViIBbXWtfRTpEFpF/c4FdfxNAsCCwPp5phBYJtw==}
     engines: {node: '>=0.10.0'}
     dev: true
 
@@ -8022,7 +8045,7 @@ packages:
     dev: true
 
   /clean-yaml-object/0.1.0:
-    resolution: {integrity: sha1-Y/sRDcLOGoTcIfbZM0h20BCui2g=}
+    resolution: {integrity: sha512-3yONmlN9CSAkzNwnRCiJQ7Q2xK5mWuEfL3PuTZcAUzhObbXsfsnMptJzXwz93nc5zn9V9TwCVMmV7w4xsm43dw==}
     engines: {node: '>=0.10.0'}
     dev: true
 
@@ -8282,7 +8305,7 @@ packages:
     dev: true
 
   /concat-map/0.0.1:
-    resolution: {integrity: sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=}
+    resolution: {integrity: sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==}
 
   /concat-stream/1.6.2:
     resolution: {integrity: sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==}
@@ -8365,7 +8388,7 @@ packages:
     dev: true
 
   /convert-to-spaces/1.0.2:
-    resolution: {integrity: sha1-fj5Iu+bZl7FBfdyihoIEtNPYVxU=}
+    resolution: {integrity: sha512-cj09EBuObp9gZNQCzc7hByQyrs6jVGE+o9kSJmeUoj+GiPiJvi5LYqEH/Hmme4+MTLHM+Ejtq+FChpjjEnsPdQ==}
     engines: {node: '>= 4'}
     dev: true
 
@@ -8914,7 +8937,7 @@ packages:
     dev: true
 
   /currently-unhandled/0.4.1:
-    resolution: {integrity: sha1-mI3zP+qxke95mmE2nddsF635V+o=}
+    resolution: {integrity: sha512-/fITjgjGU50vjQ4FH6eUoYu+iUoUKIXws2hL15JJpIR+BbTxaXQsMuuyjtNh2WqsSBS5nsaZHFsFecyw5CCAng==}
     engines: {node: '>=0.10.0'}
     dependencies:
       array-find-index: 1.0.2
@@ -10967,7 +10990,7 @@ packages:
     dev: true
 
   /fs.realpath/1.0.0:
-    resolution: {integrity: sha1-FQStJSMVjKpA20onh8sBQRmU6k8=}
+    resolution: {integrity: sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw==}
 
   /fsevents/1.2.13:
     resolution: {integrity: sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==}
@@ -11833,7 +11856,7 @@ packages:
     dev: true
 
   /imurmurhash/0.1.4:
-    resolution: {integrity: sha1-khi5srkoojixPcT7a21XbyMUU+o=}
+    resolution: {integrity: sha512-JmXMZ6wuvDmLiHEml9ykzqO6lwFbof0GG4IkcGaENdCRDDmMVnny7s5HsIgHCbaq0w2MyPhDqkhTUgS2LU2PHA==}
     engines: {node: '>=0.8.19'}
     dev: true
 
@@ -11856,7 +11879,7 @@ packages:
     dev: true
 
   /inflight/1.0.6:
-    resolution: {integrity: sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=}
+    resolution: {integrity: sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==}
     dependencies:
       once: 1.4.0
       wrappy: 1.0.2
@@ -12126,7 +12149,7 @@ packages:
     dev: true
 
   /is-extglob/2.1.1:
-    resolution: {integrity: sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=}
+    resolution: {integrity: sha512-SbKbANkN603Vi4jEZv49LeVJMn4yGwsbzZworEoyEiutsN3nJYdbO36zfhGJ6QEDpOZIFkDtnq5JRxmvl3jsoQ==}
     engines: {node: '>=0.10.0'}
     dev: true
 
@@ -12322,7 +12345,7 @@ packages:
     dev: true
 
   /is-typedarray/1.0.0:
-    resolution: {integrity: sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=}
+    resolution: {integrity: sha512-cyA56iCMHAh5CdzjJIa4aohJyeO1YbwLi3Jc35MmRU6poroFjIGZzUzupGiRPOjgHg9TLu43xbpwXk523fMxKA==}
     dev: true
 
   /is-unicode-supported/0.1.0:
@@ -12516,7 +12539,7 @@ packages:
     dev: true
 
   /jed/1.1.1:
-    resolution: {integrity: sha1-elSbvZ/+FYWwzQoZHiAwVb7ldLQ=}
+    resolution: {integrity: sha512-z35ZSEcXHxLW4yumw0dF6L464NT36vmx3wxJw8MDpraBcWuNVgUPZgPJKcu1HekNgwlMFNqol7i/IpSbjhqwqA==}
 
   /jest-haste-map/26.6.2:
     resolution: {integrity: sha512-easWIJXIw71B2RdR8kgqpjQrbMRWQBgiBwXYEhtGUTaX+doCjBheluShdDMeR8IMfJiTqH4+zfhtg29apJf/8w==}
@@ -12576,7 +12599,7 @@ packages:
     dev: true
 
   /js-string-escape/1.0.1:
-    resolution: {integrity: sha1-4mJbrbwNZ8dTPp7cEGjFh65BN+8=}
+    resolution: {integrity: sha512-Smw4xcfIQ5LVjAOuJCvN/zIodzA/BBSsluuoSykP+lUvScIi4U6RJLfwHet5cxFnCswUjISV8oAXaqaJDY3chg==}
     engines: {node: '>= 0.8'}
     dev: true