diff --git a/misc/README.md b/misc/README.md
index 4b301df1e4..ae78b52deb 100644
--- a/misc/README.md
+++ b/misc/README.md
@@ -4,3 +4,6 @@ $ sudo ./misc/network/restart.sh
 
 * Generate Key & Cert for Diameter
 $ ./misc/ssl/make_certs.sh ./freeDiameter
+
+* Add/Update/Remove A User
+$ ./misc/mongodb/open5gs_conf
\ No newline at end of file
diff --git a/misc/mongodb/open5gs_conf b/misc/mongodb/open5gs_conf
new file mode 100755
index 0000000000..a22a04645b
--- /dev/null
+++ b/misc/mongodb/open5gs_conf
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+version=0.9.0
+
+display_help() {
+    echo "open5gs_conf: Open5Gs Database Configuration Tool ($version)"
+    echo "COMMANDS:" >&2
+    echo "   add {imsi key opc}: adds a user to the database with default values"
+    echo "   remove {imsi}: removes a user from the database"
+    echo "   reset: WIPES OUT the database and restores it to an empty default"
+    echo "   help: displays this message and exits"
+    echo "   default values are as follows: APN \"internet\", dl_bw/ul_bw 1 Gbps, PGW address is 127.0.0.3, IPv4 only"
+}
+
+
+if [ "$#" -lt 1 ]; then
+	display_help
+	exit 1
+fi
+
+if [ "$1" = "help" ]; then
+	display_help
+	exit 1
+fi
+
+if [ "$1" = "add" ]; then
+	if [ "$#" -ne 4 ]; then
+		echo "open5gs_conf: incorrect number of args, format is \"open5gs_conf add imsi key opc\""
+		exit 1
+	fi
+	IMSI=$2 
+	KI=$3
+	OPC=$4
+
+	mongo --eval "db.subscribers.update({\"imsi\" : \"$IMSI\"}, { \$setOnInsert: { \"imsi\" : \"$IMSI\", \"pdn\" : [ { \"apn\" : \"internet\", \"_id\" : new ObjectId(), \"pcc_rule\" : [ ], \"pgw\" : { \"addr\" : \"127.0.0.3\" }, \"ambr\" : { \"downlink\" : NumberLong(1024000), \"uplink\" : NumberLong(1024000) }, \"qos\" : { \"qci\" : NumberInt(9), \"arp\" : { \"priority_level\" : NumberInt(8), \"pre_emption_vulnerability\" : NumberInt(1), \"pre_emption_capability\" : NumberInt(0) } }, \"type\" : NumberInt(0) } ], \"ambr\" : { \"downlink\" : NumberLong(1024000), \"uplink\" : NumberLong(1024000) }, \"subscribed_rau_tau_timer\" : NumberInt(12), \"network_access_mode\" : NumberInt(2), \"subscriber_status\" : NumberInt(0), \"access_restriction_data\" : NumberInt(32), \"security\" : { \"k\" : \"$KI\", \"amf\" : \"8000\", \"op\" : null, \"opc\" : \"$OPC\" }, \"__v\" : 0 } }, upsert=true);" open5gs
+	exit 0
+fi
+
+if [ "$1" = "remove" ]; then
+	if [ "$#" -ne 2 ]; then
+		echo "open5gs_conf: incorrect number of args, format is \"open5gs_conf remove imsi\""
+		exit 1
+	fi
+
+	IMSI=$2 
+	mongo --eval "db.subscribers.remove({\"imsi\": \"$IMSI\"});" open5gs
+	exit 0
+fi
+
+if [ "$1" = "reset" ]; then
+	if [ "$#" -ne 1 ]; then
+		echo "open5gs_conf: incorrect number of args, format is \"open5gs_conf reset\""
+		exit 1
+	fi
+
+	mongo --eval "db.subscribers.remove({});" open5gs
+	exit 0
+fi
+
+display_help