diff --git a/server/package.json b/server/package.json
index c31dbee..b8033b0 100644
--- a/server/package.json
+++ b/server/package.json
@@ -19,7 +19,6 @@
 	"devDependencies": {
 		"@biomejs/biome": "2.2.0",
 		"@tsconfig/strictest": "^2.0.5",
-		"@types/cookie-parser": "^1.4.9",
 		"@types/express": "^5.0.3",
 		"@types/express-session": "^1.18.0",
 		"@types/jest": "^30.0.0",
@@ -33,7 +32,6 @@
 	"dependencies": {
 		"arctic": "^3.7.0",
 		"axios": "^1.7.9",
-		"cookie-parser": "^1.4.7",
 		"express": "^5.1.0",
 		"express-session": "^1.18.0",
 		"openapi-backend": "^5.15.0",
diff --git a/server/pnpm-lock.yaml b/server/pnpm-lock.yaml
index 609690f..9c3b229 100644
--- a/server/pnpm-lock.yaml
+++ b/server/pnpm-lock.yaml
@@ -14,9 +14,6 @@ importers:
       axios:
         specifier: ^1.7.9
         version: 1.11.0
-      cookie-parser:
-        specifier: ^1.4.7
-        version: 1.4.7
       express:
         specifier: ^5.1.0
         version: 5.1.0
@@ -39,9 +36,6 @@ importers:
       '@tsconfig/strictest':
         specifier: ^2.0.5
         version: 2.0.5
-      '@types/cookie-parser':
-        specifier: ^1.4.9
-        version: 1.4.9(@types/express@5.0.3)
       '@types/express':
         specifier: ^5.0.3
         version: 5.0.3
@@ -635,11 +629,6 @@ packages:
   '@types/connect@3.4.38':
     resolution: {integrity: sha512-K6uROf1LD88uDQqJCktA4yzL1YYAK6NgfsI0v/mTgyPKWsX1CnJ0XPSDhViejru1GcRkLWb8RlzFYJRqGUbaug==}
 
-  '@types/cookie-parser@1.4.9':
-    resolution: {integrity: sha512-tGZiZ2Gtc4m3wIdLkZ8mkj1T6CEHb35+VApbL2T14Dew8HA7c+04dmKqsKRNC+8RJPm16JEK0tFSwdZqubfc4g==}
-    peerDependencies:
-      '@types/express': '*'
-
   '@types/express-serve-static-core@5.0.7':
     resolution: {integrity: sha512-R+33OsgWw7rOhD1emjU7dzCDHucJrgJXMA5PYCzJxVil0dsyx5iBEPHqpPfiKNJQb7lZ1vxwoLR4Z87bBUpeGQ==}
 
@@ -991,13 +980,6 @@ packages:
   convert-source-map@2.0.0:
     resolution: {integrity: sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg==}
 
-  cookie-parser@1.4.7:
-    resolution: {integrity: sha512-nGUvgXnotP3BsjiLX2ypbQnWoGUPIIfHQNZkkC668ntrzGWEZVW70HDEB1qnNGMicPje6EttlIgzo51YSwNQGw==}
-    engines: {node: '>= 0.8.0'}
-
-  cookie-signature@1.0.6:
-    resolution: {integrity: sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ==}
-
   cookie-signature@1.0.7:
     resolution: {integrity: sha512-NXdYc3dLr47pBkpUCHtKSwIOQXLVn8dZEuywboCOJY/osA0wFSLlSawr3KN8qXJEyX66FcONTH8EIlVuK0yyFA==}
 
@@ -2757,10 +2739,6 @@ snapshots:
     dependencies:
       '@types/node': 24.3.0
 
-  '@types/cookie-parser@1.4.9(@types/express@5.0.3)':
-    dependencies:
-      '@types/express': 5.0.3
-
   '@types/express-serve-static-core@5.0.7':
     dependencies:
       '@types/node': 24.3.0
@@ -3115,13 +3093,6 @@ snapshots:
 
   convert-source-map@2.0.0: {}
 
-  cookie-parser@1.4.7:
-    dependencies:
-      cookie: 0.7.2
-      cookie-signature: 1.0.6
-
-  cookie-signature@1.0.6: {}
-
   cookie-signature@1.0.7: {}
 
   cookie-signature@1.2.2: {}
diff --git a/server/src/server.ts b/server/src/server.ts
index 37f0243..47d50cb 100644
--- a/server/src/server.ts
+++ b/server/src/server.ts
@@ -55,6 +55,10 @@ api.register({
 			return res.status(500).json({ error: "Failed to list repositories" });
 		}
 	},
+
+	notFound: (_c, _req, res) => res.status(404).json({ err: "not found" }),
+	validationFail: (c, _req, res) =>
+		res.status(400).json({ err: c.validation.errors }),
 });
 
 api.init();