diff --git a/supabase/migrations/20250120_add_discord_webhooks.sql b/supabase/migrations/20250120_add_discord_webhooks.sql
new file mode 100644
index 00000000..39d4db3e
--- /dev/null
+++ b/supabase/migrations/20250120_add_discord_webhooks.sql
@@ -0,0 +1,31 @@
+-- Table for storing Discord webhook configurations for community posts
+CREATE TABLE IF NOT EXISTS public.discord_post_webhooks (
+  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  user_id uuid NOT NULL REFERENCES public.user_profiles(id) ON DELETE CASCADE,
+  guild_id TEXT NOT NULL,
+  channel_id TEXT NOT NULL,
+  webhook_url TEXT NOT NULL,
+  webhook_id TEXT NOT NULL,
+  arm_affiliation TEXT NOT NULL,
+  auto_post BOOLEAN DEFAULT true,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  UNIQUE(user_id, guild_id, channel_id, arm_affiliation)
+);
+
+-- Enable RLS
+ALTER TABLE public.discord_post_webhooks ENABLE ROW LEVEL SECURITY;
+
+-- Policies for discord_post_webhooks
+CREATE POLICY "discord_webhooks_read_own" ON public.discord_post_webhooks
+  FOR SELECT TO authenticated USING (user_id = auth.uid());
+
+CREATE POLICY "discord_webhooks_manage_own" ON public.discord_post_webhooks
+  FOR ALL TO authenticated USING (user_id = auth.uid()) WITH CHECK (user_id = auth.uid());
+
+-- Create index for faster lookups
+CREATE INDEX IF NOT EXISTS idx_discord_post_webhooks_user_id ON public.discord_post_webhooks(user_id);
+CREATE INDEX IF NOT EXISTS idx_discord_post_webhooks_guild_id ON public.discord_post_webhooks(guild_id);
+
+-- Grant service role access
+GRANT SELECT, INSERT, UPDATE, DELETE ON public.discord_post_webhooks TO service_role;