Improve derived MCP companion UI labels

src/channels/web/static/app.js

@@ -1160,7 +1160,7 @@ function addToolCard(name) {
 
   const toolName = document.createElement('span');
   toolName.className = 'activity-tool-name';
-  toolName.textContent = name;
+  toolName.textContent = humanizeToolName(name);
 
   const duration = document.createElement('span');
   duration.className = 'activity-tool-duration';
@@ -1344,7 +1344,7 @@ function finalizeActivityGroup() {
 
 function humanizeToolName(rawName) {
   if (!rawName) return '';
-  return String(rawName)
+  return stripDerivedCompanionToolPrefix(String(rawName))
     .replace(/[_-]+/g, ' ')
     .replace(/([a-z0-9])([A-Z])/g, '$1 $2')
     .replace(/^tool([a-zA-Z])/, 'tool $1')
@@ -1352,6 +1352,12 @@ function humanizeToolName(rawName) {
     .trim();
 }
 
+function stripDerivedCompanionToolPrefix(rawName) {
+  if (!rawName) return '';
+  const prefix = '_nearai_companion_mcp_';
+  return rawName.startsWith(prefix) ? rawName.slice(prefix.length) : rawName;
+}
+
 function shouldShowChannelConnectedMessage(extensionName, success) {
   if (!success || !extensionName) return false;
   return String(extensionName).toLowerCase().includes('telegram');
@@ -1871,7 +1877,7 @@ function createToolCallsSummaryElement(toolCalls) {
     const icon = tc.has_error ? '\u2717' : '\u2713';
     const nameSpan = document.createElement('span');
     nameSpan.className = 'tool-call-name';
-    nameSpan.textContent = icon + ' ' + tc.name;
+    nameSpan.textContent = icon + ' ' + humanizeToolName(tc.name);
     item.appendChild(nameSpan);
 
     if (tc.result_preview) {
@@ -2906,7 +2912,12 @@ function renderExtensionCard(ext) {
   if (ext.tools && ext.tools.length > 0) {
     const tools = document.createElement('div');
     tools.className = 'ext-tools';
-    tools.textContent = 'Tools: ' + ext.tools.join(', ');
+    const toolNames = ext.tools.map((toolName) => (
+      ext.derived && ext.kind === 'mcp_server'
+        ? stripDerivedCompanionToolPrefix(toolName)
+        : toolName
+    ));
+    tools.textContent = 'Tools: ' + toolNames.join(', ');
     card.appendChild(tools);
   }
 
@@ -2967,7 +2978,7 @@ function renderExtensionCard(ext) {
     // Skip when has_auth is true but needs_setup is false and not yet authenticated —
     // this means OAuth credentials resolve automatically (builtin/env) and the user
     // just needs to complete the OAuth flow, not fill in a config form.
-    if (ext.needs_setup || (ext.has_auth && ext.authenticated)) {
+    if (!ext.derived && (ext.needs_setup || (ext.has_auth && ext.authenticated))) {
       const configBtn = document.createElement('button');
       configBtn.className = 'btn-ext configure';
       configBtn.textContent = ext.authenticated ? I18n.t('ext.reconfigure') : I18n.t('ext.configure');
@@ -2976,11 +2987,13 @@ function renderExtensionCard(ext) {
     }
   }
 
-  const removeBtn = document.createElement('button');
-  removeBtn.className = 'btn-ext remove';
-  removeBtn.textContent = I18n.t('ext.remove');
-  removeBtn.addEventListener('click', () => removeExtension(ext.name));
-  actions.appendChild(removeBtn);
+  if (!ext.derived) {
+    const removeBtn = document.createElement('button');
+    removeBtn.className = 'btn-ext remove';
+    removeBtn.textContent = I18n.t('ext.remove');
+    removeBtn.addEventListener('click', () => removeExtension(ext.name));
+    actions.appendChild(removeBtn);
+  }
 
   card.appendChild(actions);
 

src/extensions/manager.rs

@@ -1335,11 +1335,17 @@ impl ExtensionManager {
                             Vec::new()
                         };
 
-                        let display_name = self
-                            .registry
-                            .get_with_kind(&server.name, Some(ExtensionKind::McpServer))
-                            .await
-                            .map(|e| e.display_name);
+                        let display_name =
+                            if crate::tools::mcp::config::is_nearai_companion_server_name(
+                                &server.name,
+                            ) {
+                                Some("NEAR AI Companion".to_string())
+                            } else {
+                                self.registry
+                                    .get_with_kind(&server.name, Some(ExtensionKind::McpServer))
+                                    .await
+                                    .map(|e| e.display_name)
+                            };
                         extensions.push(InstalledExtension {
                             name: server.name.clone(),
                             kind: ExtensionKind::McpServer,

src/tools/mcp/config.rs

@@ -357,9 +357,7 @@ pub fn derive_nearai_companion_mcp_server_from_llm(
     Some(
         McpServerConfig::new(NEARAI_COMPANION_MCP_NAME, format!("{mcp_base}/mcp"))
             .with_auth_source(McpAuthSource::NearAi)
-            .with_description(
-                "Companion chat-api MCP server derived from the active NEAR AI provider",
-            ),
+            .with_description("Companion MCP server derived from the active NEAR AI provider"),
     )
 }