diff --git a/src/app/api/cron/airdrop-weekly/route.ts b/src/app/api/cron/airdrop-weekly/route.ts
new file mode 100644
index 00000000..3eab1f14
--- /dev/null
+++ b/src/app/api/cron/airdrop-weekly/route.ts
@@ -0,0 +1,145 @@
+/**
+ * Weekly stats snapshot cron (#891)
+ *
+ * Aggregates campaign stats for the weekly recap display.
+ * Schedule: Monday midnight UTC (0 0 * * 1)
+ */
+
+import { NextResponse } from "next/server";
+import { createServerClient } from "../../../../../lib/supabase";
+import { AIRDROP_CONFIG } from "../../../../../lib/airdrop/config";
+
+function verifyCron(req: Request): boolean {
+  const secret = process.env.CRON_SECRET;
+  if (!secret) {
+    return process.env.NODE_ENV !== "production";
+  }
+  const authHeader = req.headers.get("authorization");
+  return authHeader === `Bearer ${secret}`;
+}
+
+export async function GET(req: Request) {
+  if (!verifyCron(req)) {
+    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+  }
+
+  const supabase = createServerClient();
+  if (!supabase) {
+    return NextResponse.json({ error: "Supabase not configured" }, { status: 500 });
+  }
+
+  // Calculate week number and date range (Mon–Sun)
+  const now = new Date();
+  const campaignStart = AIRDROP_CONFIG.CAMPAIGN_START;
+  const msElapsed = now.getTime() - campaignStart.getTime();
+  const weekNumber = Math.floor(msElapsed / (7 * 86400000)) + 1;
+
+  // Week boundaries: previous Monday to Sunday
+  const weekEnd = new Date(now);
+  weekEnd.setUTCHours(0, 0, 0, 0);
+  const weekStart = new Date(weekEnd.getTime() - 7 * 86400000);
+
+  const weekStartStr = weekStart.toISOString().slice(0, 10);
+  const weekEndStr = weekEnd.toISOString().slice(0, 10);
+
+  // Idempotency: skip if this week already has an entry
+  const { data: existing } = await supabase
+    .from("pl_weekly_snapshots")
+    .select("id")
+    .eq("week_number", weekNumber)
+    .limit(1)
+    .single();
+
+  if (existing) {
+    return NextResponse.json({ skipped: true, reason: `Week ${weekNumber} already recorded` });
+  }
+
+  // Aggregate stats for the past week
+  const [storiesRes, buysRes, referralsRes, plEarnedRes, mcapStartRes, mcapEndRes] =
+    await Promise.all([
+      // New storylines created this week
+      supabase
+        .from("storylines")
+        .select("id", { count: "exact", head: true })
+        .gte("created_at", weekStartStr)
+        .lt("created_at", weekEndStr),
+
+      // Buy events (pl_points where action = 'buy')
+      supabase
+        .from("pl_points")
+        .select("id", { count: "exact", head: true })
+        .eq("action", "buy")
+        .gte("created_at", weekStartStr)
+        .lt("created_at", weekEndStr),
+
+      // New referrals
+      supabase
+        .from("pl_referrals")
+        .select("id", { count: "exact", head: true })
+        .gte("created_at", weekStartStr)
+        .lt("created_at", weekEndStr),
+
+      // Total PL earned this week
+      supabase
+        .from("pl_points")
+        .select("points")
+        .gte("created_at", weekStartStr)
+        .lt("created_at", weekEndStr),
+
+      // MCap at week start (earliest price entry in the week)
+      supabase
+        .from("pl_daily_prices")
+        .select("mcap_usd")
+        .gte("recorded_at", weekStartStr)
+        .lt("recorded_at", weekEndStr)
+        .order("recorded_at", { ascending: true })
+        .limit(1)
+        .single(),
+
+      // MCap at week end (latest price entry in the week)
+      supabase
+        .from("pl_daily_prices")
+        .select("mcap_usd")
+        .gte("recorded_at", weekStartStr)
+        .lt("recorded_at", weekEndStr)
+        .order("recorded_at", { ascending: false })
+        .limit(1)
+        .single(),
+    ]);
+
+  const newStories = storiesRes.count ?? 0;
+  const tokenBuys = buysRes.count ?? 0;
+  const newReferrals = referralsRes.count ?? 0;
+  const totalPlEarned = (plEarnedRes.data ?? []).reduce((sum, r) => sum + r.points, 0);
+  const mcapStart = mcapStartRes.data?.mcap_usd ?? null;
+  const mcapEnd = mcapEndRes.data?.mcap_usd ?? null;
+
+  const { error } = await supabase.from("pl_weekly_snapshots").insert({
+    week_number: weekNumber,
+    week_start: weekStartStr,
+    new_stories: newStories,
+    token_buys: tokenBuys,
+    new_referrals: newReferrals,
+    mcap_start: mcapStart,
+    mcap_end: mcapEnd,
+    total_pl_earned: totalPlEarned,
+  });
+
+  if (error) {
+    console.error("[airdrop-weekly] Insert failed:", error.message);
+    return NextResponse.json({ error: "Insert failed" }, { status: 500 });
+  }
+
+  console.info(`[airdrop-weekly] Week ${weekNumber} snapshot recorded: stories=${newStories} buys=${tokenBuys} referrals=${newReferrals} pl=${totalPlEarned}`);
+  return NextResponse.json({
+    recorded: true,
+    weekNumber,
+    weekStart: weekStartStr,
+    newStories,
+    tokenBuys,
+    newReferrals,
+    mcapStart,
+    mcapEnd,
+    totalPlEarned,
+  });
+}
diff --git a/vercel.json b/vercel.json
index 71d52486..45408387 100644
--- a/vercel.json
+++ b/vercel.json
@@ -7,6 +7,10 @@
     {
       "path": "/api/cron/airdrop-price",
       "schedule": "0 0 * * *"
+    },
+    {
+      "path": "/api/cron/airdrop-weekly",
+      "schedule": "0 0 * * 1"
     }
   ]
 }