diff --git a/server/src/schema.sql b/server/src/schema.sql
new file mode 100644
index 0000000..ee61025
--- /dev/null
+++ b/server/src/schema.sql
@@ -0,0 +1,34 @@
+CREATE TABLE IF NOT EXISTS users (
+  id SERIAL PRIMARY KEY,
+  username TEXT UNIQUE NOT NULL,
+  passhash TEXT NOT NULL,
+  created_at TIMESTAMPTZ DEFAULT now()
+);
+
+CREATE TABLE IF NOT EXISTS characters (
+  id SERIAL PRIMARY KEY,
+  user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
+  name TEXT NOT NULL,
+  x INTEGER NOT NULL DEFAULT 100,
+  y INTEGER NOT NULL DEFAULT 100,
+  level INTEGER NOT NULL DEFAULT 1,
+  xp BIGINT NOT NULL DEFAULT 0,
+  last_login TIMESTAMPTZ
+);
+
+CREATE TABLE IF NOT EXISTS items (
+  id SERIAL PRIMARY KEY,
+  key TEXT UNIQUE NOT NULL,
+  name TEXT NOT NULL,
+  stack_max INTEGER NOT NULL DEFAULT 999
+);
+
+CREATE TABLE IF NOT EXISTS inventory (
+  id SERIAL PRIMARY KEY,
+  character_id INTEGER REFERENCES characters(id) ON DELETE CASCADE,
+  item_key TEXT NOT NULL,
+  qty INTEGER NOT NULL DEFAULT 0
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS inventory_unique_item
+ON inventory (character_id, item_key);