diff --git a/classes/errors/api-error.ts b/classes/errors/api-error.ts
index 8328660a..c4b89c16 100644
--- a/classes/errors/api-error.ts
+++ b/classes/errors/api-error.ts
@@ -18,7 +18,7 @@ export class ApiError extends Error {
      */
     public constructor(
         public status: ContentfulStatusCode,
-        public message: string,
+        public override message: string,
         public details?: string | JSONObject,
     ) {
         super(message);
diff --git a/classes/plugin/loader.ts b/classes/plugin/loader.ts
index 49aa37c0..7f356962 100644
--- a/classes/plugin/loader.ts
+++ b/classes/plugin/loader.ts
@@ -72,6 +72,8 @@ export class PluginLoader {
             if (manifestFile.endsWith(".jsonc")) {
                 return parseJSONC(manifestText);
             }
+
+            throw new Error(`Unsupported manifest file type: ${manifestFile}`);
         } catch (e) {
             this.logger
                 .fatal`Could not parse plugin manifest ${chalk.blue(manifestPath)} as ${manifestFile.split(".").pop()?.toUpperCase()}.`;
diff --git a/middlewares/ip-bans.ts b/middlewares/ip-bans.ts
index 6293d831..ba170fcf 100644
--- a/middlewares/ip-bans.ts
+++ b/middlewares/ip-bans.ts
@@ -36,4 +36,5 @@ export const ipBans = createMiddleware(async (context, next) => {
     }
 
     await next();
+    return;
 });
diff --git a/middlewares/url-check.ts b/middlewares/url-check.ts
index 62dab706..c405b890 100644
--- a/middlewares/url-check.ts
+++ b/middlewares/url-check.ts
@@ -15,4 +15,5 @@ export const urlCheck = createMiddleware(async (context, next) => {
     }
 
     await next();
+    return;
 });
diff --git a/packages/sdk/entities/collection.ts b/packages/sdk/entities/collection.ts
index facc856c..a1093b29 100644
--- a/packages/sdk/entities/collection.ts
+++ b/packages/sdk/entities/collection.ts
@@ -7,21 +7,23 @@ import type { JSONObject } from "../types.ts";
 import { Entity } from "./entity.ts";
 
 export class Collection extends Entity {
-    public constructor(public data: z.infer<typeof CollectionSchema>) {
+    public constructor(public override data: z.infer<typeof CollectionSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Collection> {
+    public static override fromJSON(json: JSONObject): Promise<Collection> {
         return CollectionSchema.parseAsync(json).then((u) => new Collection(u));
     }
 }
 
 export class URICollection extends Entity {
-    public constructor(public data: z.infer<typeof URICollectionSchema>) {
+    public constructor(
+        public override data: z.infer<typeof URICollectionSchema>,
+    ) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<URICollection> {
+    public static override fromJSON(json: JSONObject): Promise<URICollection> {
         return URICollectionSchema.parseAsync(json).then(
             (u) => new URICollection(u),
         );
diff --git a/packages/sdk/entities/contentformat.ts b/packages/sdk/entities/contentformat.ts
index fcbfd836..93999f1c 100644
--- a/packages/sdk/entities/contentformat.ts
+++ b/packages/sdk/entities/contentformat.ts
@@ -20,63 +20,81 @@ export class ContentFormat {
 }
 
 export class TextContentFormat extends ContentFormat {
-    public static fromJSON(data: JSONObject): Promise<TextContentFormat> {
+    public static override fromJSON(
+        data: JSONObject,
+    ): Promise<TextContentFormat> {
         return TextContentFormatSchema.parseAsync(data).then(
             (d) => new TextContentFormat(d),
         );
     }
 
-    public constructor(public data: z.infer<typeof TextContentFormatSchema>) {
+    public constructor(
+        public override data: z.infer<typeof TextContentFormatSchema>,
+    ) {
         super(data);
     }
 }
 
 export class NonTextContentFormat extends ContentFormat {
-    public static fromJSON(data: JSONObject): Promise<NonTextContentFormat> {
+    public static override fromJSON(
+        data: JSONObject,
+    ): Promise<NonTextContentFormat> {
         return NonTextContentFormatSchema.parseAsync(data).then(
             (d) => new NonTextContentFormat(d),
         );
     }
 
     public constructor(
-        public data: z.infer<typeof NonTextContentFormatSchema>,
+        public override data: z.infer<typeof NonTextContentFormatSchema>,
     ) {
         super(data);
     }
 }
 
 export class ImageContentFormat extends ContentFormat {
-    public static fromJSON(data: JSONObject): Promise<ImageContentFormat> {
+    public static override fromJSON(
+        data: JSONObject,
+    ): Promise<ImageContentFormat> {
         return ImageContentFormatSchema.parseAsync(data).then(
             (d) => new ImageContentFormat(d),
         );
     }
 
-    public constructor(public data: z.infer<typeof ImageContentFormatSchema>) {
+    public constructor(
+        public override data: z.infer<typeof ImageContentFormatSchema>,
+    ) {
         super(data);
     }
 }
 
 export class VideoContentFormat extends ContentFormat {
-    public static fromJSON(data: JSONObject): Promise<VideoContentFormat> {
+    public static override fromJSON(
+        data: JSONObject,
+    ): Promise<VideoContentFormat> {
         return VideoContentFormatSchema.parseAsync(data).then(
             (d) => new VideoContentFormat(d),
         );
     }
 
-    public constructor(public data: z.infer<typeof VideoContentFormatSchema>) {
+    public constructor(
+        public override data: z.infer<typeof VideoContentFormatSchema>,
+    ) {
         super(data);
     }
 }
 
 export class AudioContentFormat extends ContentFormat {
-    public static fromJSON(data: JSONObject): Promise<AudioContentFormat> {
+    public static override fromJSON(
+        data: JSONObject,
+    ): Promise<AudioContentFormat> {
         return AudioContentFormatSchema.parseAsync(data).then(
             (d) => new AudioContentFormat(d),
         );
     }
 
-    public constructor(public data: z.infer<typeof AudioContentFormatSchema>) {
+    public constructor(
+        public override data: z.infer<typeof AudioContentFormatSchema>,
+    ) {
         super(data);
     }
 }
diff --git a/packages/sdk/entities/delete.ts b/packages/sdk/entities/delete.ts
index 85b33db3..6df3d896 100644
--- a/packages/sdk/entities/delete.ts
+++ b/packages/sdk/entities/delete.ts
@@ -4,13 +4,13 @@ import type { JSONObject } from "../types.ts";
 import { Entity } from "./entity.ts";
 
 export class Delete extends Entity {
-    public static name = "Delete";
+    public static override name = "Delete";
 
-    public constructor(public data: z.infer<typeof DeleteSchema>) {
+    public constructor(public override data: z.infer<typeof DeleteSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Delete> {
+    public static override fromJSON(json: JSONObject): Promise<Delete> {
         return DeleteSchema.parseAsync(json).then((u) => new Delete(u));
     }
 }
diff --git a/packages/sdk/entities/extensions/likes.ts b/packages/sdk/entities/extensions/likes.ts
index f8c606b1..f8db6885 100644
--- a/packages/sdk/entities/extensions/likes.ts
+++ b/packages/sdk/entities/extensions/likes.ts
@@ -4,25 +4,25 @@ import type { JSONObject } from "../../types.ts";
 import { Entity } from "../entity.ts";
 
 export class Like extends Entity {
-    public static name = "pub.versia:likes/Like";
+    public static override name = "pub.versia:likes/Like";
 
-    public constructor(public data: z.infer<typeof LikeSchema>) {
+    public constructor(public override data: z.infer<typeof LikeSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Like> {
+    public static override fromJSON(json: JSONObject): Promise<Like> {
         return LikeSchema.parseAsync(json).then((u) => new Like(u));
     }
 }
 
 export class Dislike extends Entity {
-    public static name = "pub.versia:likes/Dislike";
+    public static override name = "pub.versia:likes/Dislike";
 
-    public constructor(public data: z.infer<typeof DislikeSchema>) {
+    public constructor(public override data: z.infer<typeof DislikeSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Dislike> {
+    public static override fromJSON(json: JSONObject): Promise<Dislike> {
         return DislikeSchema.parseAsync(json).then((u) => new Dislike(u));
     }
 }
diff --git a/packages/sdk/entities/extensions/polls.ts b/packages/sdk/entities/extensions/polls.ts
index 43264f03..995e324d 100644
--- a/packages/sdk/entities/extensions/polls.ts
+++ b/packages/sdk/entities/extensions/polls.ts
@@ -4,13 +4,13 @@ import type { JSONObject } from "../../types.ts";
 import { Entity } from "../entity.ts";
 
 export class Vote extends Entity {
-    public static name = "pub.versia:polls/Vote";
+    public static override name = "pub.versia:polls/Vote";
 
-    public constructor(public data: z.infer<typeof VoteSchema>) {
+    public constructor(public override data: z.infer<typeof VoteSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Vote> {
+    public static override fromJSON(json: JSONObject): Promise<Vote> {
         return VoteSchema.parseAsync(json).then((u) => new Vote(u));
     }
 }
diff --git a/packages/sdk/entities/extensions/reactions.ts b/packages/sdk/entities/extensions/reactions.ts
index 0d7d432f..5f3f785e 100644
--- a/packages/sdk/entities/extensions/reactions.ts
+++ b/packages/sdk/entities/extensions/reactions.ts
@@ -4,13 +4,13 @@ import type { JSONObject } from "../../types.ts";
 import { Entity } from "../entity.ts";
 
 export class Reaction extends Entity {
-    public static name = "pub.versia:reactions/Reaction";
+    public static override name = "pub.versia:reactions/Reaction";
 
-    public constructor(public data: z.infer<typeof ReactionSchema>) {
+    public constructor(public override data: z.infer<typeof ReactionSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Reaction> {
+    public static override fromJSON(json: JSONObject): Promise<Reaction> {
         return ReactionSchema.parseAsync(json).then((u) => new Reaction(u));
     }
 }
diff --git a/packages/sdk/entities/extensions/reports.ts b/packages/sdk/entities/extensions/reports.ts
index a3e709e4..d15cfe48 100644
--- a/packages/sdk/entities/extensions/reports.ts
+++ b/packages/sdk/entities/extensions/reports.ts
@@ -4,13 +4,13 @@ import type { JSONObject } from "../../types.ts";
 import { Entity } from "../entity.ts";
 
 export class Report extends Entity {
-    public static name = "pub.versia:reports/Report";
+    public static override name = "pub.versia:reports/Report";
 
-    public constructor(public data: z.infer<typeof ReportSchema>) {
+    public constructor(public override data: z.infer<typeof ReportSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Report> {
+    public static override fromJSON(json: JSONObject): Promise<Report> {
         return ReportSchema.parseAsync(json).then((u) => new Report(u));
     }
 }
diff --git a/packages/sdk/entities/extensions/share.ts b/packages/sdk/entities/extensions/share.ts
index d49cc9fc..f3817744 100644
--- a/packages/sdk/entities/extensions/share.ts
+++ b/packages/sdk/entities/extensions/share.ts
@@ -4,13 +4,13 @@ import type { JSONObject } from "../../types.ts";
 import { Entity } from "../entity.ts";
 
 export class Share extends Entity {
-    public static name = "pub.versia:share/Share";
+    public static override name = "pub.versia:share/Share";
 
-    public constructor(public data: z.infer<typeof ShareSchema>) {
+    public constructor(public override data: z.infer<typeof ShareSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Share> {
+    public static override fromJSON(json: JSONObject): Promise<Share> {
         return ShareSchema.parseAsync(json).then((u) => new Share(u));
     }
 }
diff --git a/packages/sdk/entities/follow.ts b/packages/sdk/entities/follow.ts
index 5fe86d76..d38d9728 100644
--- a/packages/sdk/entities/follow.ts
+++ b/packages/sdk/entities/follow.ts
@@ -9,25 +9,27 @@ import type { JSONObject } from "../types.ts";
 import { Entity } from "./entity.ts";
 
 export class Follow extends Entity {
-    public static name = "Follow";
+    public static override name = "Follow";
 
-    public constructor(public data: z.infer<typeof FollowSchema>) {
+    public constructor(public override data: z.infer<typeof FollowSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Follow> {
+    public static override fromJSON(json: JSONObject): Promise<Follow> {
         return FollowSchema.parseAsync(json).then((u) => new Follow(u));
     }
 }
 
 export class FollowAccept extends Entity {
-    public static name = "FollowAccept";
+    public static override name = "FollowAccept";
 
-    public constructor(public data: z.infer<typeof FollowAcceptSchema>) {
+    public constructor(
+        public override data: z.infer<typeof FollowAcceptSchema>,
+    ) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<FollowAccept> {
+    public static override fromJSON(json: JSONObject): Promise<FollowAccept> {
         return FollowAcceptSchema.parseAsync(json).then(
             (u) => new FollowAccept(u),
         );
@@ -35,13 +37,15 @@ export class FollowAccept extends Entity {
 }
 
 export class FollowReject extends Entity {
-    public static name = "FollowReject";
+    public static override name = "FollowReject";
 
-    public constructor(public data: z.infer<typeof FollowRejectSchema>) {
+    public constructor(
+        public override data: z.infer<typeof FollowRejectSchema>,
+    ) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<FollowReject> {
+    public static override fromJSON(json: JSONObject): Promise<FollowReject> {
         return FollowRejectSchema.parseAsync(json).then(
             (u) => new FollowReject(u),
         );
@@ -49,13 +53,13 @@ export class FollowReject extends Entity {
 }
 
 export class Unfollow extends Entity {
-    public static name = "Unfollow";
+    public static override name = "Unfollow";
 
-    public constructor(public data: z.infer<typeof UnfollowSchema>) {
+    public constructor(public override data: z.infer<typeof UnfollowSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Unfollow> {
+    public static override fromJSON(json: JSONObject): Promise<Unfollow> {
         return UnfollowSchema.parseAsync(json).then((u) => new Unfollow(u));
     }
 }
diff --git a/packages/sdk/entities/instancemetadata.ts b/packages/sdk/entities/instancemetadata.ts
index 6517daff..d95f44ab 100644
--- a/packages/sdk/entities/instancemetadata.ts
+++ b/packages/sdk/entities/instancemetadata.ts
@@ -5,9 +5,11 @@ import { ImageContentFormat } from "./contentformat.ts";
 import { Entity } from "./entity.ts";
 
 export class InstanceMetadata extends Entity {
-    public static name = "InstanceMetadata";
+    public static override name = "InstanceMetadata";
 
-    public constructor(public data: z.infer<typeof InstanceMetadataSchema>) {
+    public constructor(
+        public override data: z.infer<typeof InstanceMetadataSchema>,
+    ) {
         super(data);
     }
 
@@ -23,7 +25,9 @@ export class InstanceMetadata extends Entity {
             : undefined;
     }
 
-    public static fromJSON(json: JSONObject): Promise<InstanceMetadata> {
+    public static override fromJSON(
+        json: JSONObject,
+    ): Promise<InstanceMetadata> {
         return InstanceMetadataSchema.parseAsync(json).then(
             (u) => new InstanceMetadata(u),
         );
diff --git a/packages/sdk/entities/note.ts b/packages/sdk/entities/note.ts
index df64d15b..7314e763 100644
--- a/packages/sdk/entities/note.ts
+++ b/packages/sdk/entities/note.ts
@@ -5,13 +5,13 @@ import { NonTextContentFormat, TextContentFormat } from "./contentformat.ts";
 import { Entity } from "./entity.ts";
 
 export class Note extends Entity {
-    public static name = "Note";
+    public static override name = "Note";
 
-    public constructor(public data: z.infer<typeof NoteSchema>) {
+    public constructor(public override data: z.infer<typeof NoteSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<Note> {
+    public static override fromJSON(json: JSONObject): Promise<Note> {
         return NoteSchema.parseAsync(json).then((n) => new Note(n));
     }
 
diff --git a/packages/sdk/entities/user.ts b/packages/sdk/entities/user.ts
index b3d6f0d7..0d744632 100644
--- a/packages/sdk/entities/user.ts
+++ b/packages/sdk/entities/user.ts
@@ -5,13 +5,13 @@ import { ImageContentFormat, TextContentFormat } from "./contentformat.ts";
 import { Entity } from "./entity.ts";
 
 export class User extends Entity {
-    public static name = "User";
+    public static override name = "User";
 
-    public constructor(public data: z.infer<typeof UserSchema>) {
+    public constructor(public override data: z.infer<typeof UserSchema>) {
         super(data);
     }
 
-    public static fromJSON(json: JSONObject): Promise<User> {
+    public static override fromJSON(json: JSONObject): Promise<User> {
         return UserSchema.parseAsync(json).then((u) => new User(u));
     }
 
diff --git a/tsconfig.json b/tsconfig.json
index 86afbaec..8b1288ec 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,40 +1,45 @@
 {
     "compilerOptions": {
-        "lib": ["ESNext", "DOM", "DOM.Iterable"],
-        "module": "esnext",
-        "target": "esnext",
-        "moduleResolution": "bundler",
-        "moduleDetection": "force",
-        "allowImportingTsExtensions": true,
-        "noEmit": true,
-        "composite": true,
-        "strict": true,
-        "downlevelIteration": true,
-        "skipLibCheck": true,
+        "alwaysStrict": true,
+        "exactOptionalPropertyTypes": false,
         "noImplicitAny": true,
-        "jsx": "preserve",
-        "allowSyntheticDefaultImports": true,
-        "strictNullChecks": true,
-        "strictFunctionTypes": true,
+        "noImplicitOverride": true,
+        "noImplicitReturns": true,
+        "noImplicitThis": true,
+        "noPropertyAccessFromIndexSignature": false,
+        "noUncheckedIndexedAccess": false,
+        "noUnusedLocals": true,
+        "noUnusedParameters": true,
+        "strict": true,
+        "useUnknownInCatchVariables": true,
+
+        "allowImportingTsExtensions": true,
+        "module": "preserve",
+        "moduleResolution": "bundler",
+        "noUncheckedSideEffectImports": true,
+        "resolveJsonModule": true,
+        "noEmit": true,
+        "allowJs": false,
+        // Soon...
+        //"erasableSyntaxOnly": true,
         "forceConsistentCasingInFileNames": true,
-        "allowJs": true,
-        "emitDecoratorMetadata": false,
-        "experimentalDecorators": true,
+        //"isolatedDeclarations": true,
         "verbatimModuleSyntax": true,
+        "moduleDetection": "force",
+        "target": "esnext",
+        "jsx": "preserve",
+        "lib": ["ESNext", "DOM", "DOM.Iterable"],
+        "composite": true,
+        "incremental": true,
+        "skipLibCheck": true,
+        "experimentalDecorators": true,
+        "emitDecoratorMetadata": false,
         "paths": {
             "@/*": ["./utils/*"],
             "~/*": ["./*"],
             "+/*": ["./api/*"]
-        },
-        "noUnusedLocals": true
+        }
     },
     "exclude": ["node_modules"],
-    "include": [
-        "*.ts",
-        "*.d.ts",
-        "**/*.ts",
-        "**/*.d.ts",
-        "api/well-known/**/*.ts",
-        "packages/cli/index.mts"
-    ]
+    "include": ["*.ts", "*.d.ts", "**/*.ts", "**/*.d.ts"]
 }
diff --git a/utils/api.ts b/utils/api.ts
index 56f81b1e..df805649 100644
--- a/utils/api.ts
+++ b/utils/api.ts
@@ -99,6 +99,8 @@ export const handleZodError = (
             422,
         );
     }
+
+    return undefined;
 };
 
 const checkPermissions = (