diff --git a/app.js b/app.js
index 5a028f6..c9850f5 100644
--- a/app.js
+++ b/app.js
@@ -209,6 +209,46 @@ document.getElementById('debug-toggle').addEventListener('click', () => {
   }
 });
 
+// === AGENT STATUS BOARD ===
+const AGENTS = [
+  { id: 'timmy',      name: 'Timmy',      status: 'active' },
+  { id: 'kimi',       name: 'Kimi',       status: 'idle'   },
+  { id: 'perplexity', name: 'Perplexity', status: 'idle'   },
+];
+
+/**
+ * Renders the agent list into the #agent-list element.
+ */
+function renderAgentBoard() {
+  const list = document.getElementById('agent-list');
+  if (!list) return;
+  list.innerHTML = '';
+  for (const agent of AGENTS) {
+    const li = document.createElement('li');
+    li.className = `agent-item ${agent.status}`;
+    li.dataset.agentId = agent.id;
+    li.innerHTML =
+      `<span class="agent-dot ${agent.status}" aria-hidden="true"></span>` +
+      `<span class="agent-name">${agent.name}</span>` +
+      `<span class="agent-status-label">${agent.status.toUpperCase()}</span>`;
+    list.appendChild(li);
+  }
+}
+
+/**
+ * Updates a single agent's status and re-renders the board.
+ * @param {string} agentId
+ * @param {'active'|'idle'} status
+ */
+function setAgentStatus(agentId, status) {
+  const agent = AGENTS.find(a => a.id === agentId);
+  if (!agent) return;
+  agent.status = status;
+  renderAgentBoard();
+}
+
+renderAgentBoard();
+
 // === WEBSOCKET CLIENT ===
 import { wsClient } from './ws-client.js';
 
@@ -216,14 +256,23 @@ wsClient.connect();
 
 window.addEventListener('player-joined', (/** @type {CustomEvent} */ event) => {
   console.log('Player joined:', event.detail);
+  if (event.detail && event.detail.agentId) {
+    setAgentStatus(event.detail.agentId, 'active');
+  }
 });
 
 window.addEventListener('player-left', (/** @type {CustomEvent} */ event) => {
   console.log('Player left:', event.detail);
+  if (event.detail && event.detail.agentId) {
+    setAgentStatus(event.detail.agentId, 'idle');
+  }
 });
 
 window.addEventListener('chat-message', (/** @type {CustomEvent} */ event) => {
   console.log('Chat message:', event.detail);
+  if (event.detail && event.detail.agentId) {
+    setAgentStatus(event.detail.agentId, 'active');
+  }
 });
 
 window.addEventListener('beforeunload', () => {
diff --git a/index.html b/index.html
index 26344f3..a514583 100644
--- a/index.html
+++ b/index.html
@@ -41,6 +41,12 @@
     <span class="overview-hint">[Tab] to exit</span>
   </div>
 
+  <!-- Agent Status Board -->
+  <div id="agent-status-board" aria-label="Agent status board">
+    <div class="agent-board-title">AGENTS</div>
+    <ul id="agent-list" role="list"></ul>
+  </div>
+
   <script type="module" src="app.js"></script>
 </body>
 </html>
diff --git a/style.css b/style.css
index 1d78e52..4adb133 100644
--- a/style.css
+++ b/style.css
@@ -106,3 +106,80 @@ canvas {
   0%, 100% { opacity: 0.7; }
   50% { opacity: 1; }
 }
+
+/* === AGENT STATUS BOARD === */
+#agent-status-board {
+  position: fixed;
+  bottom: 16px;
+  left: 16px;
+  z-index: 10;
+  background: rgba(0, 0, 8, 0.75);
+  border: 1px solid var(--color-secondary);
+  border-radius: 4px;
+  padding: 8px 12px;
+  min-width: 140px;
+  pointer-events: none;
+}
+
+.agent-board-title {
+  font-family: var(--font-body);
+  font-size: 9px;
+  letter-spacing: 0.25em;
+  color: var(--color-primary);
+  text-transform: uppercase;
+  margin-bottom: 6px;
+  border-bottom: 1px solid var(--color-secondary);
+  padding-bottom: 4px;
+}
+
+#agent-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.agent-item {
+  display: flex;
+  align-items: center;
+  gap: 7px;
+  font-family: var(--font-body);
+  font-size: 11px;
+  color: var(--color-text);
+  padding: 2px 0;
+}
+
+.agent-dot {
+  width: 6px;
+  height: 6px;
+  border-radius: 50%;
+  flex-shrink: 0;
+  background: var(--color-text-muted);
+}
+
+.agent-dot.active {
+  background: #44ff88;
+  animation: agent-pulse 1.8s ease-in-out infinite;
+}
+
+.agent-dot.idle {
+  background: var(--color-secondary);
+}
+
+.agent-name {
+  flex: 1;
+}
+
+.agent-status-label {
+  font-size: 9px;
+  color: var(--color-text-muted);
+  letter-spacing: 0.1em;
+}
+
+.agent-item.active .agent-status-label {
+  color: #44ff88;
+}
+
+@keyframes agent-pulse {
+  0%, 100% { opacity: 1; box-shadow: 0 0 4px #44ff88; }
+  50% { opacity: 0.5; box-shadow: none; }
+}