diff --git a/diagnostic/index.html b/diagnostic/index.html
index 233f393..3ce566c 100644
--- a/diagnostic/index.html
+++ b/diagnostic/index.html
@@ -102,7 +102,12 @@
         <span class="status-label" id="proxy-status">Nicht getestet</span>
       </div>
       <div class="error-text" id="proxy-error"></div>
-      <button class="btn secondary" id="btn-proxy-test" onclick="testProxyBtn()">Proxy testen</button>
+      <div id="proxy-models" style="margin-top:6px;display:none">
+        <div style="font-size:11px;color:#8888AA;margin-bottom:3px">Verfuegbare Modelle:</div>
+        <div id="proxy-models-list" style="font-size:12px;line-height:1.6"></div>
+        <div style="font-size:10px;color:#555570;margin-top:4px" id="proxy-models-hint"></div>
+      </div>
+      <button class="btn secondary" id="btn-proxy-test" onclick="testProxyBtn()" style="margin-top:6px">Proxy testen</button>
     </div>
   </div>
 
@@ -275,6 +280,7 @@
           } else {
             addChat('error', msg.error, 'Claude Proxy Fehler');
           }
+          if (msg.models && msg.models.length) showProxyModels(msg.models);
           return;
         }
         if (msg.type === 'docker_logs') {
@@ -334,6 +340,7 @@
       document.getElementById('proxy-status').textContent = STATUS_LABELS[proxy.status] || proxy.status;
       document.getElementById('proxy-error').textContent = proxy.lastError || '';
       document.getElementById('btn-proxy-test').disabled = proxy.status === 'testing';
+      if (proxy.models && proxy.models.length) showProxyModels(proxy.models);
 
       // Buttons
       document.getElementById('btn-gw').disabled = gw.status !== 'connected';
@@ -403,6 +410,19 @@
       autoScroll[tab] = true;
     }
 
+    function showProxyModels(models) {
+      const container = document.getElementById('proxy-models');
+      const list = document.getElementById('proxy-models-list');
+      const hint = document.getElementById('proxy-models-hint');
+      container.style.display = 'block';
+      list.innerHTML = models.map(m => {
+        const clean = m.replace('openai/', '');
+        return `<div style="display:inline-block;background:#1E1E2E;border:1px solid #333;border-radius:4px;padding:2px 8px;margin:2px;font-size:11px">${escapeHtml(m)}</div>`;
+      }).join('');
+      const cleanNames = models.map(m => m.replace('openai/', ''));
+      hint.textContent = `DEFAULT_MODEL fuer docker-compose.yml: ${cleanNames.join(' | ')}`;
+    }
+
     function escapeHtml(str) {
       return str.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
     }
diff --git a/diagnostic/server.js b/diagnostic/server.js
index 84239d2..bbd26a9 100644
--- a/diagnostic/server.js
+++ b/diagnostic/server.js
@@ -365,8 +365,14 @@ async function testProxy(prompt) {
     }
 
     const modelsData = await modelsRes.json();
-    const modelCount = modelsData.data?.length || 0;
-    log("info", "proxy", `Proxy erreichbar — ${modelCount} Model(s) verfuegbar`);
+    const models = (modelsData.data || []).map(m => m.id).filter(Boolean);
+    log("info", "proxy", `Proxy erreichbar — ${models.length} Model(s) verfuegbar`);
+
+    // Modellnamen loggen + OpenClaw-Config Hinweis
+    if (models.length > 0) {
+      log("info", "proxy", `Modelle: ${models.join(", ")}`);
+      log("info", "proxy", `Fuer docker-compose.yml (DEFAULT_MODEL): ${models.map(m => m.replace("openai/", "")).join(" | ")}`);
+    }
 
     // Schritt 2: Chat Completion testen (kurzer Prompt)
     const testPrompt = prompt || "Antworte mit genau einem Wort: Ping";
@@ -397,8 +403,9 @@ async function testProxy(prompt) {
 
     state.proxy.status = "connected";
     state.proxy.lastError = null;
+    state.proxy.models = models;
     broadcastState();
-    broadcast({ type: "proxy_result", ok: true, reply });
+    broadcast({ type: "proxy_result", ok: true, reply, models });
 
   } catch (err) {
     log("error", "proxy", `Fehler: ${err.message}`);