diff --git a/chatdir.scm b/chatdir.scm
index 3bc7de9..2784082 100644
--- a/chatdir.scm
+++ b/chatdir.scm
@@ -114,6 +114,12 @@
 		  (create-directory user-path #t)])))
 
 
+;; Return a list of all users of a channel of given state.
+;; (Lists files in /$channel/.users/$state/).
+(define (channel-users root channel #!optional (state "online"))
+  (directory (subpath root channel ".users" state)))
+
+
 ;; Sets a file in the user's directory to given value.
 ;; Sets /.users/$user/$key to $value.
 (define (user-file-set! root username key value #!optional (xattr-alist '()))
@@ -237,7 +243,6 @@
 		 xattr-alist)))
 
 
-
 (define (directory-file-get directory key)
   (read-file-to-string (subpath directory key)))
 
@@ -271,6 +276,16 @@
   (directory-file-get* (subpath root channel ".meta") key))
 
 
+;; Return a list of all metadata key (files in /$channel/.meta/).
+(define (channel-metadata root channel)
+  (directory (subpath root channel ".meta")))
+
+
+;; Lists all currently-joined channels.
+(define (channels root)
+  (directory root))
+
+
 ;; Return a file path with the given parameters as elements of the path
 ;; E.g., "/etc/", "/systemd/user" "mom" => "/etc/systemd/user/mom"
 (define (subpath . children)
@@ -319,6 +334,11 @@
 						 contents attrs)))
 
 
+;; List all messages of the given channel.
+(define (channel-messages root channel)
+  (directory (subpath root channel)))
+
+
 ;; Initialization for the input loop
 (define (input-loop-init root-dir callbacks-alist)
   (let ([join-callback (alist-ref 'join-channel callbacks-alist)])