diff --git a/shard.yml b/shard.yml
index 96b2d16..037e0f3 100644
--- a/shard.yml
+++ b/shard.yml
@@ -11,6 +11,18 @@ description: |
 targets:
   authd:
     main: src/main.cr
+  auth-user-add:
+    main: utils/authd-user-add.cr
+  auth-user-allow:
+    main: utils/authd-user-allow.cr
+  auth-user-ask-for-new-password:
+    main: utils/authd-user-ask-for-new-password.cr
+  auth-user-get:
+    main: utils/authd-user-get.cr
+  auth-user-mod:
+    main: utils/authd-user-mod.cr
+  auth-user-validate:
+    main: utils/authd-user-validate.cr
 
 crystal: 0.31
 
diff --git a/src/authd.cr b/src/authd.cr
index a68126e..a185a0f 100644
--- a/src/authd.cr
+++ b/src/authd.cr
@@ -9,6 +9,15 @@ require "./user.cr"
 class AuthD::Exception < Exception
 end
 
+class AuthD::MalformedRequest < Exception
+	getter ipc_type : Int32
+	getter payload : String
+
+	def initialize(@ipc_type, @payload)
+		@message = "malformed payload"
+	end
+end
+
 class AuthD::Response
 	include JSON::Serializable
 
@@ -145,9 +154,11 @@ class AuthD::Response
 		payload = String.new message.payload
 		type = Type.new message.utype.to_i
 
-		requests.find(&.type.==(type)).try &.from_json(payload)
-	rescue e : JSON::ParseException
-		raise Exception.new "malformed request"
+		begin
+			requests.find(&.type.==(type)).try &.from_json(payload)
+		rescue e : JSON::ParseException
+			raise MalformedRequest.new message.utype.to_i, payload
+		end
 	end
 end
 
@@ -334,9 +345,11 @@ class AuthD::Request
 		payload = String.new message.payload
 		type = Type.new message.utype.to_i
 
-		requests.find(&.type.==(type)).try &.from_json(payload)
-	rescue e : JSON::ParseException
-		raise Exception.new "malformed request: #{e}"
+		begin
+			requests.find(&.type.==(type)).try &.from_json(payload)
+		rescue e : JSON::ParseException
+			raise MalformedRequest.new message.utype.to_i, payload
+		end
 	end
 end
 
diff --git a/src/main.cr b/src/main.cr
index ec1645d..1f02eb5 100644
--- a/src/main.cr
+++ b/src/main.cr
@@ -1,6 +1,7 @@
 require "uuid"
 require "option_parser"
 require "openssl"
+require "colorize"
 
 require "jwt"
 require "ipc"
@@ -50,7 +51,11 @@ class AuthD::Service
 	def handle_request(request : AuthD::Request?, connection : IPC::Connection)
 		case request
 		when Request::GetToken
-			user = @users_per_login.get request.login
+			begin
+				user = @users_per_login.get request.login
+			rescue e : DODB::MissingEntry
+				return Response::Error.new "invalid credentials"
+			end
 
 			if user.password_hash != hash_password request.password
 				return Response::Error.new "invalid credentials"
@@ -391,6 +396,14 @@ class AuthD::Service
 		@users_per_uid.get? token_payload.uid.to_s
 	end
 
+	def info(message)
+		STDOUT << ":: ".colorize(:green) << message.colorize(:white) << "\n"
+	end
+
+	def error(message)
+		STDOUT << "!! ".colorize(:red) << message.colorize(:red) << "\n"
+	end
+
 	def run
 		##
 		# Provides a JWT-based authentication scheme for service-specific users.
@@ -406,12 +419,22 @@ class AuthD::Service
 				begin
 					request = Request.from_ipc event.message
 
+					info "<< #{request.class.name.sub /^Request::/, ""}"
+
 					response = handle_request request, event.connection
 
 					event.connection.send response
+				rescue e : MalformedRequest
+					error "#{e.message}"
+					error " .. type was:    #{e.ipc_type}"
+					error " .. payload was: #{e.payload}"
+					response =  Response::Error.new e.message
 				rescue e
-					STDERR.puts "error: #{e.message}"
+					error "#{e.message}"
+					response = Response::Error.new e.message
 				end
+
+				info ">> #{response.class.name.sub /^Response::/, ""}"
 			end
 		end
 	end