diff --git a/supabase/functions/delete-admin-user/index.ts b/supabase/functions/delete-admin-user/index.ts
new file mode 100644
index 0000000..48a5a55
--- /dev/null
+++ b/supabase/functions/delete-admin-user/index.ts
@@ -0,0 +1,65 @@
+import { createClient } from 'https://esm.sh/@supabase/supabase-js@2';
+
+const corsHeaders = {
+  'Access-Control-Allow-Origin': '*',
+  'Access-Control-Allow-Headers': 'authorization, x-client-info, apikey, content-type',
+};
+
+Deno.serve(async (req) => {
+  if (req.method === 'OPTIONS') {
+    return new Response('ok', { headers: corsHeaders });
+  }
+
+  const authHeader = req.headers.get('Authorization');
+  if (!authHeader) {
+    return new Response(JSON.stringify({ error: 'Unauthorized' }), {
+      status: 401,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  const supabaseClient = createClient(
+    Deno.env.get('SUPABASE_URL')!,
+    Deno.env.get('SUPABASE_ANON_KEY')!,
+    { global: { headers: { Authorization: authHeader } } },
+  );
+  const { data: { user }, error: userError } = await supabaseClient.auth.getUser();
+  if (userError || !user) {
+    return new Response(JSON.stringify({ error: 'Unauthorized' }), {
+      status: 401,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  const body = await req.json().catch(() => ({}));
+  const { userId } = body;
+  if (!userId || typeof userId !== 'string') {
+    return new Response(JSON.stringify({ error: 'userId is required' }), {
+      status: 400,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  if (userId === user.id) {
+    return new Response(JSON.stringify({ error: 'Cannot delete your own account' }), {
+      status: 400,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  const supabaseAdmin = createClient(
+    Deno.env.get('SUPABASE_URL')!,
+    Deno.env.get('SUPABASE_SERVICE_ROLE_KEY')!,
+  );
+  const { error } = await supabaseAdmin.auth.admin.deleteUser(userId);
+  if (error) {
+    return new Response(JSON.stringify({ error: error.message }), {
+      status: 500,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  return new Response(JSON.stringify({ success: true }), {
+    headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+  });
+});
diff --git a/supabase/functions/invite-admin-user/index.ts b/supabase/functions/invite-admin-user/index.ts
new file mode 100644
index 0000000..fd6fbcd
--- /dev/null
+++ b/supabase/functions/invite-admin-user/index.ts
@@ -0,0 +1,59 @@
+import { createClient } from 'https://esm.sh/@supabase/supabase-js@2';
+
+const corsHeaders = {
+  'Access-Control-Allow-Origin': '*',
+  'Access-Control-Allow-Headers': 'authorization, x-client-info, apikey, content-type',
+};
+
+Deno.serve(async (req) => {
+  if (req.method === 'OPTIONS') {
+    return new Response('ok', { headers: corsHeaders });
+  }
+
+  const authHeader = req.headers.get('Authorization');
+  if (!authHeader) {
+    return new Response(JSON.stringify({ error: 'Unauthorized' }), {
+      status: 401,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  const supabaseClient = createClient(
+    Deno.env.get('SUPABASE_URL')!,
+    Deno.env.get('SUPABASE_ANON_KEY')!,
+    { global: { headers: { Authorization: authHeader } } },
+  );
+  const { data: { user }, error: userError } = await supabaseClient.auth.getUser();
+  if (userError || !user) {
+    return new Response(JSON.stringify({ error: 'Unauthorized' }), {
+      status: 401,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  const body = await req.json().catch(() => ({}));
+  const { email } = body;
+  if (!email || typeof email !== 'string') {
+    return new Response(JSON.stringify({ error: 'email is required' }), {
+      status: 400,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  const supabaseAdmin = createClient(
+    Deno.env.get('SUPABASE_URL')!,
+    Deno.env.get('SUPABASE_SERVICE_ROLE_KEY')!,
+  );
+  const { data, error } = await supabaseAdmin.auth.admin.inviteUserByEmail(email);
+  if (error) {
+    return new Response(JSON.stringify({ error: error.message }), {
+      status: 500,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  return new Response(
+    JSON.stringify({ id: data.user.id, email: data.user.email }),
+    { headers: { ...corsHeaders, 'Content-Type': 'application/json' } },
+  );
+});
diff --git a/supabase/functions/list-admin-users/index.ts b/supabase/functions/list-admin-users/index.ts
new file mode 100644
index 0000000..1be50a6
--- /dev/null
+++ b/supabase/functions/list-admin-users/index.ts
@@ -0,0 +1,55 @@
+import { createClient } from 'https://esm.sh/@supabase/supabase-js@2';
+
+const corsHeaders = {
+  'Access-Control-Allow-Origin': '*',
+  'Access-Control-Allow-Headers': 'authorization, x-client-info, apikey, content-type',
+};
+
+Deno.serve(async (req) => {
+  if (req.method === 'OPTIONS') {
+    return new Response('ok', { headers: corsHeaders });
+  }
+
+  const authHeader = req.headers.get('Authorization');
+  if (!authHeader) {
+    return new Response(JSON.stringify({ error: 'Unauthorized' }), {
+      status: 401,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  // Verify the caller is a valid authenticated user
+  const supabaseClient = createClient(
+    Deno.env.get('SUPABASE_URL')!,
+    Deno.env.get('SUPABASE_ANON_KEY')!,
+    { global: { headers: { Authorization: authHeader } } },
+  );
+  const { data: { user }, error: userError } = await supabaseClient.auth.getUser();
+  if (userError || !user) {
+    return new Response(JSON.stringify({ error: 'Unauthorized' }), {
+      status: 401,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  // Use service role to list all users
+  const supabaseAdmin = createClient(
+    Deno.env.get('SUPABASE_URL')!,
+    Deno.env.get('SUPABASE_SERVICE_ROLE_KEY')!,
+  );
+  const { data: { users }, error } = await supabaseAdmin.auth.admin.listUsers();
+  if (error) {
+    return new Response(JSON.stringify({ error: error.message }), {
+      status: 500,
+      headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+    });
+  }
+
+  const result = users.map(({ id, email, created_at, last_sign_in_at }) => ({
+    id, email, created_at, last_sign_in_at,
+  }));
+
+  return new Response(JSON.stringify(result), {
+    headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+  });
+});