diff --git a/api/src/lib.rs b/api/src/lib.rs
index 3adf868..28d9800 100644
--- a/api/src/lib.rs
+++ b/api/src/lib.rs
@@ -1082,6 +1082,12 @@ pub trait Store {
 // The live network state a service reads (never mutates directly; changes go out
 // as actions on the ServiceCtx).
 pub trait NetView {
+    // Account names of the network's configured operators (MemoServ STAFF). The
+    // default is empty; the engine's live view overrides it. Runtime OPER grants
+    // are separate (Store::opers_list) — a caller unions the two.
+    fn oper_accounts(&self) -> Vec<String> {
+        Vec::new()
+    }
     fn uid_by_nick(&self, nick: &str) -> Option<&str>;
     fn nick_of(&self, uid: &str) -> Option<&str>;
     fn host_of(&self, uid: &str) -> Option<&str>;
diff --git a/modules/memoserv/src/lib.rs b/modules/memoserv/src/lib.rs
index 2afed98..c7e1d94 100644
--- a/modules/memoserv/src/lib.rs
+++ b/modules/memoserv/src/lib.rs
@@ -22,6 +22,8 @@ mod check;
 mod info;
 #[path = "sendall.rs"]
 mod sendall;
+#[path = "staff.rs"]
+mod staff;
 #[path = "ignore.rs"]
 mod ignore;
 #[path = "set.rs"]
@@ -42,6 +44,7 @@ const TOPICS: &[HelpEntry] = &[
     HelpEntry { cmd: "CHECK", summary: "see if a memo was read", detail: "Syntax: \x02CHECK <nick>\x02\nReports whether the last memo you sent them has been read." },
     HelpEntry { cmd: "INFO", summary: "your mailbox summary", detail: "Syntax: \x02INFO\x02\nShows how many memos you have, how many are unread, and your capacity." },
     HelpEntry { cmd: "SENDALL", summary: "memo every account (admin)", detail: "Syntax: \x02SENDALL <text>\x02\nLeaves a memo on every registered account. Requires the admin privilege." },
+    HelpEntry { cmd: "STAFF", summary: "memo every operator (admin)", detail: "Syntax: \x02STAFF <text>\x02\nLeaves a memo on every operator's account. Requires the admin privilege." },
     HelpEntry { cmd: "IGNORE", summary: "block memos from an account", detail: "Syntax: \x02IGNORE ADD <nick> | DEL <nick> | LIST\x02\nMemos from an ignored account are silently dropped." },
     HelpEntry { cmd: "SET", summary: "your memo preferences", detail: "Syntax: \x02SET NOTIFY {ON|OFF}\x02, \x02SET LIMIT <n>|NONE\x02\nControls new-memo notifications and your mailbox size cap." },
 ];
@@ -65,7 +68,7 @@ impl Service for MemoServ {
         (BLURB, TOPICS)
     }
 
-    fn on_command(&mut self, from: &Sender, args: &[&str], ctx: &mut ServiceCtx, _net: &dyn NetView, db: &mut dyn Store) {
+    fn on_command(&mut self, from: &Sender, args: &[&str], ctx: &mut ServiceCtx, net: &dyn NetView, db: &mut dyn Store) {
         let me = self.uid.as_str();
         let cmd = args.first().map(|s| s.to_ascii_uppercase());
         if matches!(cmd.as_deref(), Some("HELP") | None) {
@@ -87,6 +90,7 @@ impl Service for MemoServ {
             Some("CHECK") => check::handle(me, from, account, args, ctx, db),
             Some("INFO") => info::handle(me, from, account, ctx, db),
             Some("SENDALL") => sendall::handle(me, from, account, args, ctx, db),
+            Some("STAFF") => staff::handle(me, from, account, args, ctx, net, db),
             Some("IGNORE") => ignore::handle(me, from, account, args, ctx, db),
             Some("SET") => set::handle(me, from, account, args, ctx, db),
             Some(other) => ctx.notice(me, from.uid, format!("I don't know the command \x02{other}\x02. Try \x02HELP\x02.")),
diff --git a/modules/memoserv/src/staff.rs b/modules/memoserv/src/staff.rs
new file mode 100644
index 0000000..08f340f
--- /dev/null
+++ b/modules/memoserv/src/staff.rs
@@ -0,0 +1,33 @@
+use echo_api::{NetView, Priv, Sender, ServiceCtx, Store};
+
+// STAFF <text>: leave a memo on every operator's account. Admin-only, for
+// notes to the staff team that persist until read. Recipients are the union of
+// the configured operators and any runtime OPER grants.
+pub fn handle(me: &str, from: &Sender, account: &str, args: &[&str], ctx: &mut ServiceCtx, net: &dyn NetView, db: &mut dyn Store) {
+    if !from.privs.has(Priv::Admin) {
+        ctx.notice(me, from.uid, "Access denied — STAFF needs the \x02admin\x02 privilege.");
+        return;
+    }
+    if args.len() < 2 {
+        ctx.notice(me, from.uid, "Syntax: STAFF <text>");
+        return;
+    }
+    let text = args[1..].join(" ");
+    // Config opers and runtime grants, resolved to canonical account names and
+    // de-duplicated so nobody gets the memo twice.
+    let mut names: Vec<String> = net.oper_accounts();
+    names.extend(db.opers_list().into_iter().map(|(name, _, _)| name));
+    let mut sent = 0usize;
+    let mut seen: Vec<String> = Vec::new();
+    for name in &names {
+        let Some(canon) = db.resolve_account(name).map(str::to_string) else { continue };
+        if seen.contains(&canon) {
+            continue;
+        }
+        seen.push(canon.clone());
+        if db.memo_send(&canon, account, &text, false).is_ok() {
+            sent += 1;
+        }
+    }
+    ctx.notice(me, from.uid, format!("Memo sent to \x02{sent}\x02 operator(s)."));
+}
diff --git a/src/engine/mod.rs b/src/engine/mod.rs
index ba81991..717a2a9 100644
--- a/src/engine/mod.rs
+++ b/src/engine/mod.rs
@@ -283,6 +283,7 @@ impl Engine {
 
     // Load the services-operator table (casefolded account -> privileges).
     pub fn set_opers(&mut self, opers: HashMap<String, Privs>) {
+        self.network.set_config_opers(opers.keys().cloned().collect());
         self.opers = opers;
     }
 
diff --git a/src/engine/state.rs b/src/engine/state.rs
index a0ca51f..c627c0f 100644
--- a/src/engine/state.rs
+++ b/src/engine/state.rs
@@ -34,6 +34,10 @@ pub struct Network {
     // Network-wide help index (service nick, blurb, per-command topics), built by
     // the engine at startup from every service so HelpServ can front it.
     pub help_catalog: Vec<(String, &'static str, &'static [HelpEntry])>,
+    // Account names of the declarative config operators, mirrored from the engine
+    // so services can enumerate staff (MemoServ STAFF). Runtime OPER grants live
+    // in the store; a caller unions the two.
+    config_opers: Vec<String>,
 }
 
 // ChanFix scoring caps and rates.
@@ -106,6 +110,12 @@ impl Network {
         self.users.insert(uid.clone(), User { uid, nick, host, ip });
     }
 
+    // Mirror the engine's declarative config operators, so services can enumerate
+    // staff. Called whenever the config oper set changes.
+    pub fn set_config_opers(&mut self, accounts: Vec<String>) {
+        self.config_opers = accounts;
+    }
+
     // Live sessions from `ip`.
     pub fn session_count(&self, ip: &str) -> u32 {
         self.sessions.get(ip).copied().unwrap_or(0)
@@ -368,6 +378,9 @@ impl Network {
 // The module-facing network view. Reads forward to Network's own accessors,
 // with the seen record projected into a plain view.
 impl NetView for Network {
+    fn oper_accounts(&self) -> Vec<String> {
+        self.config_opers.clone()
+    }
     fn uid_by_nick(&self, nick: &str) -> Option<&str> {
         Network::uid_by_nick(self, nick)
     }
diff --git a/src/engine/tests.rs b/src/engine/tests.rs
index 3ab1b2b..280d0d3 100644
--- a/src/engine/tests.rs
+++ b/src/engine/tests.rs
@@ -837,6 +837,38 @@
         assert_eq!(e.db.unread_memos("bob"), 1);
     }
 
+    // MemoServ STAFF memos every operator (config opers here), and only the
+    // operators — a plain account gets nothing.
+    #[test]
+    fn memoserv_staff_memos_operators() {
+        use echo_memoserv::MemoServ;
+        use echo_nickserv::NickServ;
+        let path = std::env::temp_dir().join("echo-msstaff.jsonl");
+        let _ = std::fs::remove_file(&path);
+        let mut db = Db::open(&path, "42S");
+        db.scram_iterations = 4096;
+        db.register("boss", "pw", None).unwrap();
+        db.register("mod", "pw", None).unwrap();
+        db.register("alice", "pw", None).unwrap();
+        let mut e = Engine::new(
+            vec![
+                Box::new(NickServ { uid: "42SAAAAAA".into(), guest_nick: "Guest".into(), guest_seq: 0 }),
+                Box::new(MemoServ { uid: "42SAAAAAE".into() }),
+            ],
+            db,
+        );
+        let mut opers = std::collections::HashMap::new();
+        opers.insert("boss".to_string(), Privs::default().with(echo_api::Priv::Admin));
+        opers.insert("mod".to_string(), Privs::default().with(echo_api::Priv::Admin));
+        e.set_opers(opers);
+        e.handle(NetEvent::UserConnect { uid: "000AAAAAB".into(), nick: "boss".into(), host: "h".into(), ip: "0.0.0.0".into() });
+        e.handle(NetEvent::Privmsg { from: "000AAAAAB".into(), to: "42SAAAAAA".into(), text: "IDENTIFY pw".into() });
+        let out = e.handle(NetEvent::Privmsg { from: "000AAAAAB".into(), to: "42SAAAAAE".into(), text: "STAFF heads up team".into() });
+        assert!(out.iter().any(|a| matches!(a, NetAction::Notice { text, .. } if text.contains("2"))), "memoed 2 opers: {out:?}");
+        assert_eq!(e.db.unread_memos("mod"), 1, "the other operator got it");
+        assert_eq!(e.db.unread_memos("alice"), 0, "a non-operator did not");
+    }
+
     // NickServ SASET lets an operator edit another account's settings, and is
     // refused to non-operators.
     #[test]