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 # authzd - Authorization Daemon
 
-This repository host a minimal PDP service used for making authorization
-decisions via a [Twirp RPC][1] endpoint.
+## Overview
+
+The system processes authorization requests from user agents and updates access control lists (ACLs) in response to identity changes.
+It integrates with an identity provider (IdP) and uses message queues to stay in sync with membership data.
 
 ## Architecture