diff --git a/frontend/src/views/Remotes.vue b/frontend/src/views/Remotes.vue
index 98a28f0..8ce912c 100644
--- a/frontend/src/views/Remotes.vue
+++ b/frontend/src/views/Remotes.vue
@@ -1,11 +1,174 @@
 <script setup>
 import TitleBar from '../components/TitleBar.vue';
-import { ref } from 'vue';
+import { ref, reactive, computed, onMounted } from 'vue';
+import * as backend from '../backend';
+import * as ui from '../ui';
 
+/** Connected external tool remotes (initialized with mock data) */
+const remotes = ref([
+  {
+    name: 'weather-service',
+    connected: true,
+    functions: [
+      {
+        name: 'get_forecast',
+        description: 'Retrieve weather forecast for a location.',
+        parameters: {
+          type: 'object',
+          properties: {
+            city: { type: 'string', description: 'City name or code.' },
+            days: { type: 'number', description: 'Number of days ahead.' }
+          },
+          required: ['city']
+        }
+      },
+      {
+        name: 'search_storms',
+        description: 'Find active storm systems near coordinates.',
+        parameters: {
+          type: 'object',
+          properties: {
+            lat: { type: 'number', description: 'Latitude.' },
+            lon: { type: 'number', description: 'Longitude.' },
+            radius_km: { type: 'number', description: 'Search radius.' }
+          },
+          required: ['lat', 'lon']
+        }
+      }
+    ],
+    agentIds: []
+  },
+  {
+    name: 'code-repo-indexer',
+    connected: true,
+    functions: [
+      {
+        name: 'search_codebase',
+        description: 'Search repository code by query.',
+        parameters: {
+          type: 'object',
+          properties: {
+            query: { type: 'string', description: 'Search text.' },
+            lang: { type: 'string', description: 'Language filter.' },
+            path_regex: { type: 'string', description: 'Path pattern.' }
+          },
+          required: ['query']
+        }
+      },
+      {
+        name: 'find_symbol',
+        description: 'Locate a symbol definition in the codebase.',
+        parameters: {
+          type: 'object',
+          properties: {
+            symbol_name: { type: 'string', description: 'Name of the symbol.' },
+            file_path: { type: 'string', description: 'Restrict to a file.' }
+          },
+          required: ['symbol_name']
+        }
+      }
+    ],
+    agentIds: []
+  }
+]);
+
+/** Tracks expanded remote panels using a Set to support multiple open sections */
+const expandedRemoteIds = ref(new Set());
+
+/** Currently selected remote name for invoking a function */
+const activeRemoteName = ref('');
+
+/** Currently selected function spec inside the active remote */
+const activeFunction = ref(null);
+
+/** JSON string containing arguments for the active function */
+const activeArgsJson = ref('{}');
+
+/** Parsed result object of the last successful call (null until called) */
+const callResult = ref(null);
+
+/** Error message from the last call attempt (null when no error) */
+const callError = ref('');
+
+/** List of locally persisted remotes managed via localStorage */
 const localRemoteList = ref([]);
 
+/** Key used to serialize/deserialize local remotes from browser storage */
 const STORAGE_KEY = 'local_remotes';
 
+onMounted(() => {
+  // fetchRemotes(); // Disabled — using hardcoded mock data for now
+});
+
+/** Toggle expansion of a remote detail panel */
+function toggleRemote(name) {
+  // Create a new Set instance to ensure Vue detects the change
+  const newSet = new Set(expandedRemoteIds.value);
+  if (newSet.has(name)) {
+    newSet.delete(name);
+  } else {
+    newSet.add(name);
+  }
+  expandedRemoteIds.value = newSet;
+}
+
+/** Set the active remote and expose its function list to the caller */
+function selectRemote(name) {
+  const found = remotes.value.find(r => r.name === name);
+  if (!found) return;
+  if (!activeFunction.value && found.functions.length) {
+    selectFunction(found, found.functions[0]);
+  } else {
+    resetCallState();
+  }
+}
+
+/** Activate a specific function for invocation */
+function selectFunction(remote, fn) {
+  if (remote && fn) {
+    activeRemoteName.value = remote.name;
+    activeFunction.value = fn;
+  } else {
+    activeRemoteName.value = null;
+    activeFunction.value = null;
+  }
+  resetCallState();
+}
+
+/** Clear call result/error and reinitialize args JSON */
+function resetCallState() {
+  callResult.value = null;
+  callError.value = '';
+  activeArgsJson.value = '{}';
+}
+
+/** Execute a call against the active remote & function */
+async function doCall() {
+  callResult.value = null;
+  callError.value = '';
+  if (!activeRemoteName.value || !activeFunction.value) {
+    callError.value = 'Select a remote and function first.';
+    return;
+  }
+  let argsParsed;
+  try {
+    argsParsed = activeArgsJson.value.trim() ? JSON.parse(activeArgsJson.value) : {};
+  } catch (e) {
+    callError.value = 'Invalid JSON args: ' + e.message;
+    return;
+  }
+  try {
+    callResult.value = await backend.sendAction('remote-call', {
+      remotename: activeRemoteName.value,
+      function: activeFunction.value.name,
+      args: argsParsed,
+    });
+  } catch (e) {
+    callError.value = e.message || String(e);
+  }
+}
+
+// ---- Local Remotes (unchanged from previous iteration) ----
 function loadLocalRemoteList() {
   let data = [];
   try {
@@ -14,10 +177,7 @@ function loadLocalRemoteList() {
       const parsed = JSON.parse(stored);
       if (Array.isArray(parsed)) data = parsed;
     }
-  } catch (e) {
-    // ignore corrupt storage
-  }
-  // Force disconnect all on startup
+  } catch (e) {}
   data.forEach(r => r.connected = false);
   localRemoteList.value = data;
 }
@@ -45,13 +205,9 @@ function disconnectLocalRemote(remote) {
 }
 
 function removeLocalRemote(remote) {
-  if (remote.connected) {
-    disconnectLocalRemote(remote);
-  }
+  if (remote.connected) disconnectLocalRemote(remote);
   const index = localRemoteList.value.indexOf(remote);
-  if (index > -1) {
-    localRemoteList.value.splice(index, 1);
-  }
+  if (index > -1) localRemoteList.value.splice(index, 1);
   saveLocalRemote();
 }
 
@@ -60,62 +216,159 @@ loadLocalRemoteList();
 
 <template>
   <main>
-    <TitleBar>
-      <h1>Remotes</h1>
-    </TitleBar>
-    <div class="remote-list">
-      <div v-for="(remote, index) in localRemoteList" :key="index" class="remote-entry">
-        <div v-if="remote.connected" class="view-mode">
-          <span class="status-text">Connected as: {{ remote.name }}</span>
-          <button class="btn btn-secondary" @click="disconnectLocalRemote(remote)">Disconnect</button>
-        </div>
-        <div v-else class="view-mode">
-          <input 
-            type="text" 
-            v-model="remote.name" 
-            placeholder="Enter remote name..." 
-            class="input-field"
-          />
-          <button class="btn btn-primary" @click="connectLocalRemote(remote)">Connect</button>
-        </div>
-        <button class="btn btn-danger" @click="removeLocalRemote(remote)">Delete</button>
+    <TitleBar><h1>Remotes</h1></TitleBar>
+
+    <!-- ============================== -->
+    <!-- Active Function Call Panel     -->
+    <!-- ============================== -->
+    <section v-if="activeRemoteName && activeFunction" class="section">
+      <div class="section-header">
+        <h2>Invoke: {{ activeFunction.name }}</h2>
       </div>
-    </div>
-    <button class="btn btn-primary" @click="createLocalRemote">+ Create Local Remote</button>
+
+      <div class="call-layout">
+        <div class="call-inputs">
+          <label>Arguments (JSON)</label>
+          <textarea
+            v-model="activeArgsJson"
+            rows="6"
+            placeholder='{"param": "value"}'
+            spellcheck="false"
+          ></textarea>
+          <button class="btn btn-primary" @click="doCall">Execute Call</button>
+          <button class="btn" @click="selectFunction(null, null)">Cancel</button>
+        </div>
+
+        <div class="call-output">
+          <div v-if="callResult !== null" class="output-block success">
+            <strong>Result</strong>
+            <pre>{{ JSON.stringify(callResult, null, 2) }}</pre>
+          </div>
+          <div v-if="callError" class="output-block error">
+            <strong>Error</strong>
+            <pre>{{ callError }}</pre>
+          </div>
+          <div v-if="callResult === null && callError === ''" class="output-placeholder">
+            Call will appear here
+          </div>
+        </div>
+      </div>
+    </section>
+
+    <!-- ======================== -->
+    <!-- External Remotes Section -->
+    <!-- ======================== -->
+    <section class="section">
+      <div class="section-header">
+        <h2>Remotes</h2>
+        <span class="count-badge">{{ remotes.length }} registered</span>
+      </div>
+
+      <div v-if="remotes.length === 0" class="empty-state">No remotes connected.</div>
+
+      <div v-for="remote in remotes" :key="remote.name" class="card">
+        <div class="card-header" @click="toggleRemote(remote.name)">
+          <div class="header-left">
+            <strong>{{ remote.name }}</strong>
+            <span class="status-dot" :class="{ active: remote.connected }"></span>
+            <span class="status-text">{{ remote.connected ? 'Connected' : 'Disconnected' }}</span>
+          </div>
+          <span class="expand-icon">{{ expandedRemoteIds.has(remote.name) ? '▼' : '▶' }}</span>
+        </div>
+
+        <div v-if="expandedRemoteIds.has(remote.name)" class="card-body">
+          <div class="functions-label">Functions (click to activate):</div>
+          <div class="func-grid">
+            <button
+              v-for="(fn, idx) in remote.functions"
+              :key="idx"
+              class="func-card"
+              :class="{ active: activeRemoteName === remote.name && activeFunction?.name === fn.name }"
+              @click.stop="selectFunction(remote, fn)"
+            >
+              <div class="func-name">{{ fn.name }}</div>
+              <div class="func-desc">{{ fn.description }}</div>
+            </button>
+          </div>
+        </div>
+      </div>
+    </section>
+
+    <!-- ========================== -->
+    <!-- Local Remotes Section      -->
+    <!-- ========================== -->
+    <section class="section">
+      <h2>Local Remotes</h2>
+      <div class="remote-list">
+        <div v-for="(remote, index) in localRemoteList" :key="index" class="remote-entry">
+          <div v-if="remote.connected" class="view-mode">
+            <span class="status-text">Connected as: {{ remote.name }}</span>
+            <button class="btn btn-secondary" @click="disconnectLocalRemote(remote)">Disconnect</button>
+          </div>
+          <div v-else class="view-mode">
+            <input 
+              type="text" 
+              v-model="remote.name" 
+              placeholder="Enter remote name..." 
+              class="input-field"
+            />
+            <button class="btn btn-primary" @click="connectLocalRemote(remote)">Connect</button>
+          </div>
+          <button class="btn btn-danger" @click="removeLocalRemote(remote)">Delete</button>
+        </div>
+      </div>
+      <button class="btn btn-primary" @click="createLocalRemote">+ Create Local Remote</button>
+    </section>
   </main>
 </template>
 
 <style scoped>
-.remote-list {
-  margin-top: 1rem;
-}
+/* ---------- Shared utilities ---------- */
+.section { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
+.section-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
+.count-badge { font-size: 0.8em; color: var(--color-text-mute); background: var(--color-background-muted); padding: 2px 8px; border-radius: 10px; }
+.empty-state { padding: 1em; color: var(--color-text-mute); }
 
-.remote-entry {
-  display: flex;
-  align-items: center;
-  gap: 1rem;
-  padding: 1rem;
-  border: 1px solid var(--color-border);
-  border-radius: var(--border-radius);
-  margin-bottom: 1rem;
-  background-color: var(--color-background-soft);
-}
+/* ---------- Card layout ---------- */
+.card { border: 1px solid var(--color-border); border-radius: var(--border-radius); margin-bottom: 0.75rem; background: var(--color-background-soft); }
+.card-header { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 1rem; cursor: pointer; }
+.header-left { display: flex; align-items: center; gap: 0.5rem; }
+.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #9ca3af; }
+.status-dot.active { background: #22c55e; box-shadow: 0 0 4px rgba(34,197,94,0.5); }
+.status-text { font-size: 0.85em; color: var(--color-text-mute); }
+.expand-icon { color: var(--color-text-mute); }
+.card-body { padding: 0 1rem 1rem; }
+.functions-label { font-weight: bold; font-size: 0.85em; color: var(--color-text-heading); margin-bottom: 0.5rem; }
 
-.view-mode {
-  display: flex;
-  align-items: center;
-  gap: 1rem;
-  flex-grow: 1;
-}
+/* ---------- Function grid ---------- */
+.func-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; }
+.func-card { text-align: left; border: 1px solid var(--color-border); border-radius: var(--border-radius); padding: 0.5rem 0.75rem; cursor: pointer; background: var(--color-background); transition: all 0.15s ease; }
+.func-card:hover { background: var(--color-background-hover); }
+.func-card.active { border-color: var(--color-primary); background: var(--color-primary-light, rgba(79,70,229,0.1)); }
+.func-name { font-weight: bold; font-family: monospace; font-size: 0.9em; }
+.func-desc { font-size: 0.8em; color: var(--color-text-mute); margin-top: 2px; }
 
-.status-text {
-  font-weight: bold;
-}
+/* ---------- Call panel ---------- */
+.call-layout { display: flex; gap: 1rem; }
+.call-inputs, .call-output { flex: 1; }
+.call-inputs label { display: block; font-weight: bold; margin-bottom: 0.25rem; }
+.call-inputs textarea { width: 100%; padding: 0.5rem; border: 1px solid var(--color-border); border-radius: var(--border-radius); resize: vertical; font-family: monospace; font-size: 0.85em; margin-bottom: 0.5rem; }
+.output-block { margin-bottom: 0.75rem; }
+.output-block.success pre { background: var(--color-success-bg, #dcfce7); padding: 0.5rem; border-radius: var(--border-radius); overflow-x: auto; }
+.output-block.error { color: #ef4444; }
+.output-block.error pre { background: var(--color-error-bg, #fee2e2); padding: 0.5rem; border-radius: var(--border-radius); overflow-x: auto; }
+.output-placeholder { padding: 1em; color: var(--color-text-mute); font-style: italic; }
 
-.input-field {
-  flex-grow: 1;
-  padding: 0.5rem;
-  border: 1px solid var(--color-border);
-  border-radius: var(--border-radius);
-}
+/* ---------- Buttons (shared across sections) ---------- */
+.btn { padding: 0.5em 1em; border-radius: var(--border-radius); border: none; cursor: pointer; font-weight: 500; }
+.btn-primary { background: var(--color-primary, #4f46e5); color: #fff; }
+.btn-secondary { background: var(--color-muted, #9ca3af); color: #fff; }
+.btn-danger { background: var(--color-error, #ef4444); color: #fff; }
+
+/* ---------- Local remotes (preserved from original) ---------- */
+.remote-list { margin-top: 1rem; }
+.remote-entry { display: flex; align-items: center; gap: 1rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--border-radius); margin-bottom: 1rem; background-color: var(--color-background-soft); }
+.view-mode { display: flex; align-items: center; gap: 1rem; flex-grow: 1; }
+.status-text { font-weight: bold; }
+.input-field { flex-grow: 1; padding: 0.5rem; border: 1px solid var(--color-border); border-radius: var(--border-radius); }
 </style>
\ No newline at end of file