diff --git a/services/arbiter-3.0/scripts/archive-welcome-posts.js b/services/arbiter-3.0/scripts/archive-welcome-posts.js
new file mode 100644
index 0000000..427b15a
--- /dev/null
+++ b/services/arbiter-3.0/scripts/archive-welcome-posts.js
@@ -0,0 +1,97 @@
+#!/usr/bin/env node
+/**
+ * Archive Welcome Posts
+ * Archives all welcome threads in forum channels so they don't
+ * keep forums "active" when categories are collapsed
+ * 
+ * Created: April 8, 2026
+ * Chronicler: #71
+ */
+
+require('dotenv').config({ path: '/opt/arbiter-3.0/.env' });
+const { Client, GatewayIntentBits, ChannelType } = require('discord.js');
+
+function sleep(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+async function main() {
+  console.log('📦 Archive Welcome Posts');
+  console.log('========================');
+
+  const client = new Client({ 
+    intents: [GatewayIntentBits.Guilds] 
+  });
+
+  try {
+    await client.login(process.env.DISCORD_BOT_TOKEN);
+    await new Promise(resolve => {
+      if (client.isReady()) resolve();
+      else client.once('ready', resolve);
+    });
+    console.log(`✅ Logged in as ${client.user.tag}`);
+
+    const guild = client.guilds.cache.get(process.env.GUILD_ID);
+    await guild.channels.fetch();
+    console.log(`✅ Found guild: ${guild.name}`);
+    console.log('');
+
+    // Find all forum channels
+    const forums = guild.channels.cache.filter(ch => ch.type === ChannelType.GuildForum);
+    console.log(`Found ${forums.size} forum channels`);
+    console.log('');
+
+    let archived = 0;
+    let alreadyArchived = 0;
+    let errors = 0;
+
+    for (const [id, forum] of forums) {
+      // Skip if not a server forum (check for 🎮 parent or server-related name)
+      const parent = forum.parent;
+      if (!parent || !parent.name.includes('🎮')) {
+        continue;
+      }
+
+      console.log(`📁 ${forum.name}`);
+
+      // Fetch active threads
+      const activeThreads = await forum.threads.fetchActive();
+      
+      for (const [threadId, thread] of activeThreads.threads) {
+        // Look for welcome posts
+        if (thread.name.toLowerCase().includes('welcome')) {
+          if (thread.archived) {
+            console.log(`   ⏭️  Already archived: ${thread.name}`);
+            alreadyArchived++;
+          } else {
+            try {
+              await thread.setArchived(true, 'Archiving welcome post - Chronicler #71');
+              console.log(`   ✅ Archived: ${thread.name}`);
+              archived++;
+              await sleep(300);
+            } catch (err) {
+              console.log(`   ❌ Failed to archive: ${thread.name} - ${err.message}`);
+              errors++;
+            }
+          }
+        }
+      }
+    }
+
+    console.log('');
+    console.log('📊 SUMMARY');
+    console.log('==========');
+    console.log(`Archived:         ${archived}`);
+    console.log(`Already archived: ${alreadyArchived}`);
+    console.log(`Errors:           ${errors}`);
+    console.log('');
+    console.log('✅ Done! Categories should now collapse cleanly.');
+
+  } catch (error) {
+    console.error('❌ ERROR:', error.message);
+  } finally {
+    client.destroy();
+  }
+}
+
+main();