diff --git a/.changeset/claude-code-tab-prefix.md b/.changeset/claude-code-tab-prefix.md
new file mode 100644
index 000000000..c7626d5dd
--- /dev/null
+++ b/.changeset/claude-code-tab-prefix.md
@@ -0,0 +1,5 @@
+---
+"aicodeman": patch
+---
+
+Show the CC prefix on Claude Code terminal tabs.
diff --git a/src/web/public/app.js b/src/web/public/app.js
index 05577c343..97605e069 100644
--- a/src/web/public/app.js
+++ b/src/web/public/app.js
@@ -5660,7 +5660,7 @@ class CodemanApp {
           <span class="tab-status ${status}" aria-hidden="true"></span>
           <span class="tab-info">
             <span class="tab-name-row">
-              ${mode === 'shell' ? '<span class="tab-mode shell" aria-hidden="true">sh</span>' : mode === 'opencode' ? '<span class="tab-mode opencode" aria-hidden="true">oc</span>' : mode === 'codex' ? '<span class="tab-mode codex" aria-hidden="true">cx</span>' : mode === 'gemini' ? '<span class="tab-mode gemini" aria-hidden="true">gm</span>' : mode === 'antigravity' ? '<span class="tab-mode antigravity" aria-hidden="true">ag</span>' : mode === 'pi' ? '<span class="tab-mode pi" aria-hidden="true">pi</span>' : mode === 'grok' ? '<span class="tab-mode grok" aria-hidden="true">gk</span>' : mode === 'deepseek' ? '<span class="tab-mode deepseek" aria-hidden="true">ds</span>' : mode === 'omp' ? '<span class="tab-mode omp" aria-hidden="true">om</span>' : ''}
+              ${mode === 'claude' ? '<span class="tab-mode claude" aria-hidden="true">cc</span>' : mode === 'shell' ? '<span class="tab-mode shell" aria-hidden="true">sh</span>' : mode === 'opencode' ? '<span class="tab-mode opencode" aria-hidden="true">oc</span>' : mode === 'codex' ? '<span class="tab-mode codex" aria-hidden="true">cx</span>' : mode === 'gemini' ? '<span class="tab-mode gemini" aria-hidden="true">gm</span>' : mode === 'antigravity' ? '<span class="tab-mode antigravity" aria-hidden="true">ag</span>' : mode === 'pi' ? '<span class="tab-mode pi" aria-hidden="true">pi</span>' : mode === 'grok' ? '<span class="tab-mode grok" aria-hidden="true">gk</span>' : mode === 'deepseek' ? '<span class="tab-mode deepseek" aria-hidden="true">ds</span>' : mode === 'omp' ? '<span class="tab-mode omp" aria-hidden="true">om</span>' : ''}
               <span class="tab-name" data-session-id="${id}" data-full-name="${escapeHtml(name)}">${tabLabel}</span>
               ${paneExitBadge ? `<span class="tab-exited-badge" data-i18n-skip aria-hidden="true">${escapeHtml(paneExitBadge)}</span>` : ''}
               ${inlineSessionActions ? tabActionsHtml : ''}
diff --git a/src/web/public/home-sessions.js b/src/web/public/home-sessions.js
index eeb12c536..beff4de23 100644
--- a/src/web/public/home-sessions.js
+++ b/src/web/public/home-sessions.js
@@ -72,6 +72,7 @@ const HOME_SESSIONS_PILL_LABEL = {
 
 /** Short backend badge, mirroring `.tab-mode` in the tab strip. */
 const HOME_SESSIONS_MODE_BADGE = {
+  claude: 'cc',
   shell: 'sh',
   opencode: 'oc',
   codex: 'cx',
diff --git a/test/claude-tab-prefix.test.ts b/test/claude-tab-prefix.test.ts
new file mode 100644
index 000000000..0952fcd1b
--- /dev/null
+++ b/test/claude-tab-prefix.test.ts
@@ -0,0 +1,17 @@
+// @vitest-environment node
+
+import { readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+import { describe, expect, it } from 'vitest';
+
+const APP = resolve(import.meta.dirname, '../src/web/public/app.js');
+
+describe('Claude Code tab prefix', () => {
+  it('includes CC in the main tab-strip markup', () => {
+    const app = readFileSync(APP, 'utf8');
+
+    expect(app).toContain(
+      "mode === 'claude' ? '<span class=\"tab-mode claude\" aria-hidden=\"true\">cc</span>'"
+    );
+  });
+});
diff --git a/test/home-sessions.test.ts b/test/home-sessions.test.ts
index 67da3e55b..87520396a 100644
--- a/test/home-sessions.test.ts
+++ b/test/home-sessions.test.ts
@@ -165,25 +165,28 @@ describe('home sessions column: model', () => {
     const [row] = app.buildHomeSessionRows();
     expect(row.caseName).toBe('claudeman');
     expect(row.modeBadge).toBe('cx');
-    // claude is the default backend and gets no badge — the strip does the same.
-    const plain = loadHomeSessionsApp({
+    const claude = loadHomeSessionsApp({
       sessions: sessionMap([{ id: 'a', mode: 'claude' }]),
       sessionOrder: ['a'],
       cases: CASES,
     });
-    expect(plain.buildHomeSessionRows()[0].modeBadge).toBe('');
+    expect(claude.buildHomeSessionRows()[0].modeBadge).toBe('cc');
   });
 
-  it('badges every non-claude backend, so a new run mode cannot read as claude here', () => {
+  it('badges every supported backend', () => {
     // The badge map is a per-mode lookup with a '' fallback, so a mode missing from it
-    // is indistinguishable from claude in this rail while the tab strip badges it fine.
+    // is visually indistinguishable from an unrecognised session in this rail.
     for (const [mode, badge] of [
+      ['claude', 'cc'],
       ['shell', 'sh'],
       ['opencode', 'oc'],
       ['codex', 'cx'],
       ['gemini', 'gm'],
       ['antigravity', 'ag'],
       ['pi', 'pi'],
+      ['grok', 'gk'],
+      ['deepseek', 'ds'],
+      ['omp', 'om'],
     ] as const) {
       const app = loadHomeSessionsApp({
         sessions: sessionMap([{ id: 'a', mode }]),