diff --git a/app.py b/app.py
index ea42487..6cf6dc6 100644
--- a/app.py
+++ b/app.py
@@ -217,6 +217,7 @@ def roster(world: dict, now: float) -> list[dict]:
             "party": (player["action"] or {}).get("party"),
             "garrison": player["garrison"], "donated": player["donated"],
             "look": game.look_view(player),
+            "seen": int(player["last_active"]),
         })
     return sorted(people, key=lambda p: -p["donated"])
 
diff --git a/game.py b/game.py
index 1fa80af..86cd565 100644
--- a/game.py
+++ b/game.py
@@ -6084,6 +6084,7 @@ ORDER_RECIPES, ORDER_RAW = _order_sources()
 # line here (new / balance / fix), and a new release a new entry on top.
 PATCH_NOTES = [
     {"date": "2026-10-26", "title": "Fittings", "notes": [
+        ("new", "Guild Roster shows player activity."),
         ("new", "Make X: \"Make one\" now takes a count (1 by default, up to 1,000), then you go back to what you were doing."),
         ("new", "Construction › Fittings: ✓ Fitted on the ones the town already has (✓ Paused while the building is damaged)."),
     ]},
diff --git a/static/app.js b/static/app.js
index e7e5c48..81c54d3 100644
--- a/static/app.js
+++ b/static/app.js
@@ -58,6 +58,11 @@ const serverNow = () => Date.now() / 1000 + skew;
 const item = (id) => C.items[id] || { name: id, icon: "❔", value: 0 };
 const skillOf = (id) => C.skills.find((s) => s.id === id);
 const playerName = (uid) => S.players.find((p) => p.id === uid)?.name || uid;
+// An open tab polls every 10s and a hidden one stops, so a quiet minute means they've gone.
+const ONLINE_S = 45;
+const online = (p) => p.id === S.uid || serverNow() - p.seen < ONLINE_S;
+const presence = (p) => online(p) ? `<span class="online" title="Online"></span>` : "";
+const lastSeen = (p) => online(p) ? "" : ` · seen ${ago(p.seen)}`;
 
 function remember(key, value) {
   try {
@@ -713,7 +718,7 @@ function sidebar() {
     ${nav("council", "📜", "Council & threats", "", raid ? `<span class="alert"></span>` : "", raid ? "A threat is coming" : "")}
     ${nav("orders", ORDER_ICON(), "Work orders", "", takeable ? `<span class="badge">${takeable}</span>` : "", takeable ? `${takeable} for you` : "")}
     ${nav("board", "💬", "Town board")}
-    ${nav("roster", "👥", "Guild roster", `${S.players.length}`, "", `${S.players.length} ${S.players.length === 1 ? "adventurer" : "adventurers"}`)}
+    ${rosterNav()}
     ${nav("notes", "📰", "Patch notes", "", notesUnread() ? `<span class="badge">new</span>` : "", notesUnread() ? `What's new: ${C.patch_notes[0].title}` : "")}
     <div class="navhead">You</div>
     ${nav("character", cls.icon, "Character", `${skillOf("combat").icon} ${me.levels.combat}`, "", `Combat level ${me.levels.combat}`)}
@@ -2420,12 +2425,18 @@ function joinButton(p) {
   return ` <button class="btn sm primary" data-join="${esc(p.id)}" ${why ? `disabled title="${esc(why)}"` : ""}>⚔️ Join</button>`;
 }
 
+function rosterNav() {
+  const on = S.players.filter(online).length, others = S.players.some((p) => p.id !== S.uid && online(p));
+  return nav("roster", "👥", "Guild roster", `${on}/${S.players.length}`, others ? `<span class="dot"></span>` : "", `${on} of ${S.players.length} online`);
+}
+
 function roster() {
-  return `<div class="grid wide">${S.players.map((p) => {
+  const ordered = [...S.players].sort((a, b) => online(b) - online(a));  // stable: by donations within each
+  return `<div class="grid wide">${ordered.map((p) => {
     const cls = C.classes[p.cls];
     const levels = C.skills.filter((s) => !s.class || s.class === p.cls).map((s) => `<div class="lvl ${p.levels[s.id] <= 1 ? "low" : ""}" title="${s.name} level ${p.levels[s.id]}"><span class="ico">${s.icon}</span><span class="nm">${s.name}</span><b>${p.levels[s.id]}</b></div>`).join("");
     return `<div class="panel person"><div class="top"><span class="ico">${cls.icon}</span><div>
-      ${titled(p)} <span class="muted small">${cls.name} · total level ${p.total} · ${esc(p.look.home)}</span>
+      ${presence(p)}${titled(p)} <span class="muted small">${cls.name} · total level ${p.total} · ${esc(p.look.home)}${lastSeen(p)}</span>
       <div class="small">${p.doing ? `${skillOf(p.skill).icon} ${esc(p.doing)}` : `<span class="muted">Idle</span>`}${p.garrison ? ` · <span class="tag warn">On guard</span>` : ""}</div>
       <div class="small favour">${FAVOUR} ${fmt(p.donated)} given to the city</div></div></div>
       <div class="levels">${levels}</div>
@@ -2512,8 +2523,8 @@ function characterSheet(uid) {
     <div class="panel sheet-head">
       <div class="big">${cls.icon}</div>
       <div class="grow">
-        <h2>${esc(p.name)}</h2>
-        <div class="muted">${cls.name} · total level ${total} · ${days === 1 ? "first day" : `${days} days`} in the city</div>
+        <h2>${presence(p)}${esc(p.name)}</h2>
+        <div class="muted">${cls.name} · total level ${total} · ${days === 1 ? "first day" : `${days} days`} in the city${lastSeen(p)}</div>
         <div class="small" style="margin-top:6px">${p.doing ? `${skillOf(p.skill).icon} ${esc(p.doing)}` : `<span class="muted">Idle</span>`}${p.garrison ? ` · <span class="tag warn">On guard</span>` : ""}</div>
       </div>
     </div>
diff --git a/static/styles.css b/static/styles.css
index 8f04cc6..6c7b2e7 100644
--- a/static/styles.css
+++ b/static/styles.css
@@ -78,6 +78,7 @@ a { color: var(--xp); }
 .nav .label { flex: 1; }
 .nav .meta { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
 .nav .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 6px var(--good); }
+.online { display: inline-block; width: 8px; height: 8px; margin-right: 6px; vertical-align: middle; border-radius: 50%; background: var(--good); box-shadow: 0 0 6px var(--good); }
 .nav .alert { width: 8px; height: 8px; border-radius: 50%; background: var(--bad); }
 
 .devbar {