diff --git a/src/data.js b/src/data.js
index a9943c4..243dbfc 100644
--- a/src/data.js
+++ b/src/data.js
@@ -2214,10 +2214,102 @@ function getActiveSessions() {
   return active;
 }
 
+// ── Leaderboard stats ─────────────────────────────────────
+
+const ANON_NAMES_ADJ = ['brave','swift','calm','bold','keen','wise','cool','fast','wild','epic','rare','pure','warm','dark','deep','fair','free','glad','gold','iron'];
+const ANON_NAMES_NOUN = ['fox','owl','cat','wolf','bear','hawk','lion','deer','hare','crow','lynx','moth','seal','wren','dove','frog','newt','crab','swan','kite'];
+
+function getOrCreateAnonId() {
+  const configDir = path.join(os.homedir(), '.codedash');
+  const idFile = path.join(configDir, 'anon-id.json');
+  try {
+    const data = JSON.parse(fs.readFileSync(idFile, 'utf8'));
+    if (data.id && data.name) return data;
+  } catch {}
+  // Generate new
+  const id = require('crypto').randomUUID();
+  const adj = ANON_NAMES_ADJ[Math.floor(Math.random() * ANON_NAMES_ADJ.length)];
+  const noun = ANON_NAMES_NOUN[Math.floor(Math.random() * ANON_NAMES_NOUN.length)];
+  const num = Math.floor(Math.random() * 100);
+  const name = adj + '-' + noun + '-' + num;
+  const data = { id, name, createdAt: new Date().toISOString() };
+  if (!fs.existsSync(configDir)) fs.mkdirSync(configDir, { recursive: true });
+  fs.writeFileSync(idFile, JSON.stringify(data, null, 2));
+  return data;
+}
+
+function getDailyStats(sessions) {
+  const byDay = {};
+  for (const s of sessions) {
+    if (!s.date) continue;
+    if (!byDay[s.date]) byDay[s.date] = { date: s.date, sessions: 0, messages: 0, hours: 0, cost: 0, agents: {} };
+    const d = byDay[s.date];
+    d.sessions++;
+    d.messages += (s.detail_messages || s.messages || 0);
+    // Hours = time between first and last message
+    const durationMs = (s.last_ts || 0) - (s.first_ts || 0);
+    if (durationMs > 0) d.hours += durationMs / 3600000;
+    // Cost
+    const costData = computeSessionCost(s.id, s.project);
+    if (costData && costData.cost) d.cost += costData.cost;
+    // Agent breakdown
+    const tool = s.tool || 'unknown';
+    if (!d.agents[tool]) d.agents[tool] = 0;
+    d.agents[tool]++;
+  }
+  return Object.values(byDay).sort((a, b) => b.date.localeCompare(a.date));
+}
+
+function getLeaderboardStats() {
+  const sessions = loadSessions();
+  const anon = getOrCreateAnonId();
+  const daily = getDailyStats(sessions);
+
+  // Totals
+  let totalMessages = 0, totalHours = 0, totalCost = 0, totalSessions = sessions.length;
+  const agentTotals = {};
+  for (const d of daily) {
+    totalMessages += d.messages;
+    totalHours += d.hours;
+    totalCost += d.cost;
+    for (const [agent, count] of Object.entries(d.agents)) {
+      agentTotals[agent] = (agentTotals[agent] || 0) + count;
+    }
+  }
+
+  // Today
+  const today = new Date().toISOString().slice(0, 10);
+  const todayStats = daily.find(d => d.date === today) || { sessions: 0, messages: 0, hours: 0, cost: 0, agents: {} };
+
+  // Streak (consecutive days with sessions)
+  let streak = 0;
+  const dt = new Date();
+  for (let i = 0; i < 365; i++) {
+    const day = dt.toISOString().slice(0, 10);
+    if (daily.find(d => d.date === day)) {
+      streak++;
+      dt.setDate(dt.getDate() - 1);
+    } else {
+      break;
+    }
+  }
+
+  return {
+    anon,
+    today: todayStats,
+    totals: { sessions: totalSessions, messages: totalMessages, hours: Math.round(totalHours * 10) / 10, cost: Math.round(totalCost * 100) / 100 },
+    agents: agentTotals,
+    streak,
+    daily: daily.slice(0, 30), // last 30 days
+    activeDays: daily.length,
+  };
+}
+
 module.exports = {
   loadSessions,
   loadSessionDetail,
   getProjectGitInfo,
+  getLeaderboardStats,
   deleteSession,
   getGitCommits,
   exportSessionMarkdown,
diff --git a/src/frontend/app.js b/src/frontend/app.js
index 5604a97..aa624ae 100644
--- a/src/frontend/app.js
+++ b/src/frontend/app.js
@@ -1124,6 +1124,11 @@ function render() {
     return;
   }
 
+  if (currentView === 'leaderboard') {
+    renderLeaderboard(content);
+    return;
+  }
+
   if (currentView === 'settings') {
     renderSettings(content);
     return;
@@ -2633,6 +2638,78 @@ function renderSettings(container) {
   loadLLMSettings();
 }
 
+async function renderLeaderboard(container) {
+  container.innerHTML = '<div class="loading">Loading stats...</div>';
+  try {
+    var resp = await fetch('/api/leaderboard');
+    var data = await resp.json();
+
+    var html = '<div class="leaderboard-container">';
+
+    // Header card — your identity
+    html += '<div class="lb-hero">';
+    html += '<div class="lb-avatar">' + escHtml(data.anon.name.split('-').map(function(w){return w[0].toUpperCase()}).join('')) + '</div>';
+    html += '<div class="lb-hero-info">';
+    html += '<div class="lb-name">' + escHtml(data.anon.name) + '</div>';
+    html += '<div class="lb-streak">' + data.streak + ' day streak</div>';
+    html += '</div></div>';
+
+    // Today stats
+    html += '<div class="lb-section-title">Today</div>';
+    html += '<div class="lb-stats-grid">';
+    html += '<div class="lb-stat"><div class="lb-stat-value">' + data.today.messages + '</div><div class="lb-stat-label">messages</div></div>';
+    html += '<div class="lb-stat"><div class="lb-stat-value">' + data.today.hours.toFixed(1) + 'h</div><div class="lb-stat-label">agent time</div></div>';
+    html += '<div class="lb-stat"><div class="lb-stat-value">' + data.today.sessions + '</div><div class="lb-stat-label">sessions</div></div>';
+    html += '<div class="lb-stat"><div class="lb-stat-value">$' + data.today.cost.toFixed(2) + '</div><div class="lb-stat-label">cost</div></div>';
+    html += '</div>';
+
+    // All time
+    html += '<div class="lb-section-title">All Time</div>';
+    html += '<div class="lb-stats-grid">';
+    html += '<div class="lb-stat"><div class="lb-stat-value">' + data.totals.messages.toLocaleString() + '</div><div class="lb-stat-label">messages</div></div>';
+    html += '<div class="lb-stat"><div class="lb-stat-value">' + data.totals.hours.toFixed(0) + 'h</div><div class="lb-stat-label">agent time</div></div>';
+    html += '<div class="lb-stat"><div class="lb-stat-value">' + data.totals.sessions + '</div><div class="lb-stat-label">sessions</div></div>';
+    html += '<div class="lb-stat"><div class="lb-stat-value">$' + data.totals.cost.toFixed(2) + '</div><div class="lb-stat-label">cost</div></div>';
+    html += '</div>';
+
+    // Agents breakdown
+    html += '<div class="lb-section-title">Agents</div>';
+    html += '<div class="lb-agents">';
+    var agentEntries = Object.entries(data.agents).sort(function(a,b){return b[1]-a[1]});
+    agentEntries.forEach(function(e) {
+      var pct = data.totals.sessions > 0 ? Math.round(e[1] / data.totals.sessions * 100) : 0;
+      html += '<div class="lb-agent-row">';
+      html += '<span class="tool-badge tool-' + e[0] + '">' + escHtml(e[0]) + '</span>';
+      html += '<div class="lb-agent-bar"><div class="lb-agent-bar-fill" style="width:' + pct + '%"></div></div>';
+      html += '<span class="lb-agent-count">' + e[1] + ' (' + pct + '%)</span>';
+      html += '</div>';
+    });
+    html += '</div>';
+
+    // Daily chart (last 14 days)
+    html += '<div class="lb-section-title">Last 14 Days</div>';
+    html += '<div class="lb-daily-chart">';
+    var last14 = data.daily.slice(0, 14).reverse();
+    var maxMsg = Math.max.apply(null, last14.map(function(d){return d.messages})) || 1;
+    last14.forEach(function(d) {
+      var h = Math.max(4, Math.round(d.messages / maxMsg * 120));
+      var dayLabel = d.date.slice(5); // MM-DD
+      html += '<div class="lb-bar-col">';
+      html += '<div class="lb-bar" style="height:' + h + 'px" title="' + d.date + ': ' + d.messages + ' msgs, ' + d.hours.toFixed(1) + 'h, $' + d.cost.toFixed(2) + '"></div>';
+      html += '<div class="lb-bar-label">' + dayLabel + '</div>';
+      html += '</div>';
+    });
+    html += '</div>';
+
+    html += '<div class="lb-footer">Active days: ' + data.activeDays + ' | ID: ' + escHtml(data.anon.name) + '</div>';
+    html += '</div>';
+
+    container.innerHTML = html;
+  } catch (e) {
+    container.innerHTML = '<div class="empty-state">Failed to load stats: ' + escHtml(e.message) + '</div>';
+  }
+}
+
 async function renderChangelog(container) {
   container.innerHTML = '<div class="loading">Loading changelog...</div>';
   try {
diff --git a/src/frontend/index.html b/src/frontend/index.html
index dfe59ba..fdb9bff 100644
--- a/src/frontend/index.html
+++ b/src/frontend/index.html
@@ -42,6 +42,10 @@
         <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"/></svg>
         Starred
     </div>
+    <div class="sidebar-item" data-view="leaderboard">
+        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M6 9H4.5a2.5 2.5 0 010-5C7 4 7 7 7 7"/><path d="M18 9h1.5a2.5 2.5 0 000-5C17 4 17 7 17 7"/><rect x="5" y="9" width="14" height="11" rx="2"/><path d="M12 4v5"/><path d="M8 16h8"/></svg>
+        Leaderboard
+    </div>
     <div class="sidebar-divider"></div>
     <div class="sidebar-section">Agents</div>
     <div class="sidebar-item" data-view="claude-only">
diff --git a/src/frontend/styles.css b/src/frontend/styles.css
index 9884e4d..ccb3210 100644
--- a/src/frontend/styles.css
+++ b/src/frontend/styles.css
@@ -1923,6 +1923,126 @@ body {
     padding: 8px 0;
 }
 
+/* ── Leaderboard ───────────────────────────────────────────── */
+
+.leaderboard-container { padding: 24px; max-width: 700px; }
+
+.lb-hero {
+    display: flex;
+    align-items: center;
+    gap: 16px;
+    padding: 24px;
+    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.15));
+    border-radius: 16px;
+    margin-bottom: 24px;
+    border: 1px solid rgba(139,92,246,0.3);
+}
+
+.lb-avatar {
+    width: 56px;
+    height: 56px;
+    border-radius: 50%;
+    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 18px;
+    font-weight: 700;
+    color: #fff;
+    flex-shrink: 0;
+}
+
+.lb-name { font-size: 20px; font-weight: 700; color: var(--text-primary); }
+.lb-streak { font-size: 13px; color: var(--accent-orange); margin-top: 2px; }
+
+.lb-section-title {
+    font-size: 12px;
+    font-weight: 600;
+    color: var(--text-muted);
+    text-transform: uppercase;
+    letter-spacing: 1px;
+    margin: 20px 0 10px;
+}
+
+.lb-stats-grid {
+    display: grid;
+    grid-template-columns: repeat(4, 1fr);
+    gap: 12px;
+}
+
+.lb-stat {
+    background: var(--bg-card);
+    border: 1px solid var(--border);
+    border-radius: 12px;
+    padding: 16px;
+    text-align: center;
+}
+
+.lb-stat-value { font-size: 24px; font-weight: 700; color: var(--text-primary); }
+.lb-stat-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
+
+.lb-agents { display: flex; flex-direction: column; gap: 8px; }
+
+.lb-agent-row {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+}
+.lb-agent-row .tool-badge { min-width: 80px; text-align: center; }
+
+.lb-agent-bar {
+    flex: 1;
+    height: 8px;
+    background: var(--bg-card);
+    border-radius: 4px;
+    overflow: hidden;
+}
+.lb-agent-bar-fill {
+    height: 100%;
+    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
+    border-radius: 4px;
+    transition: width 0.5s;
+}
+.lb-agent-count { font-size: 12px; color: var(--text-muted); min-width: 60px; }
+
+.lb-daily-chart {
+    display: flex;
+    align-items: flex-end;
+    gap: 6px;
+    height: 150px;
+    padding: 8px 0;
+}
+
+.lb-bar-col {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: flex-end;
+    height: 100%;
+}
+
+.lb-bar {
+    width: 100%;
+    max-width: 40px;
+    background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple));
+    border-radius: 4px 4px 0 0;
+    min-height: 4px;
+    cursor: default;
+}
+.lb-bar:hover { opacity: 0.8; }
+
+.lb-bar-label { font-size: 10px; color: var(--text-muted); margin-top: 4px; }
+
+.lb-footer {
+    margin-top: 24px;
+    padding-top: 16px;
+    border-top: 1px solid var(--border);
+    font-size: 11px;
+    color: var(--text-muted);
+    text-align: center;
+}
+
 /* ── Changelog ──────────────────────────────────────────────── */
 
 .changelog-container { padding: 20px; max-width: 700px; }
diff --git a/src/server.js b/src/server.js
index 47f8e56..7185dc5 100644
--- a/src/server.js
+++ b/src/server.js
@@ -3,7 +3,7 @@ const http = require('http');
 const https = require('https');
 const { URL } = require('url');
 const { exec } = require('child_process');
-const { loadSessions, loadSessionDetail, deleteSession, getGitCommits, exportSessionMarkdown, getSessionPreview, searchFullText, getActiveSessions, getSessionReplay, getCostAnalytics, computeSessionCost, getProjectGitInfo } = require('./data');
+const { loadSessions, loadSessionDetail, deleteSession, getGitCommits, exportSessionMarkdown, getSessionPreview, searchFullText, getActiveSessions, getSessionReplay, getCostAnalytics, computeSessionCost, getProjectGitInfo, getLeaderboardStats } = require('./data');
 const { detectTerminals, openInTerminal, focusTerminalByPid } = require('./terminals');
 const { convertSession } = require('./convert');
 const { generateHandoff } = require('./handoff');
@@ -354,6 +354,12 @@ function startServer(host, port, openBrowser = true) {
     }
 
     // ── Changelog ─────────────────────────────
+    // ── Leaderboard stats ────────────────────
+    else if (req.method === 'GET' && pathname === '/api/leaderboard') {
+      const stats = getLeaderboardStats();
+      json(res, stats);
+    }
+
     else if (req.method === 'GET' && pathname === '/api/changelog') {
       json(res, CHANGELOG);
     }