diff --git a/packages/README.md b/packages/README.md
index 7d7c03e0b5..eeb5803f18 100644
--- a/packages/README.md
+++ b/packages/README.md
@@ -7,3 +7,4 @@ This directory contains all of the packages Calckey uses.
 - `client`: Web interface written in Vue3 and TypeScript
 - `sw`: Web [Service Worker](https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker_API) written in TypeScript
 - `calckey-js`: TypeScript SDK for both backend and client, also published on [NPM](https://www.npmjs.com/package/calckey-js) for public use
+- `megalodon`: TypeScript library used for Mastodon compatibility
diff --git a/packages/megalodon/.swcrc b/packages/megalodon/.swcrc
new file mode 100644
index 0000000000..c590064ecd
--- /dev/null
+++ b/packages/megalodon/.swcrc
@@ -0,0 +1,19 @@
+{
+	"$schema": "https://json.schemastore.org/swcrc",
+	"jsc": {
+		"parser": {
+			"syntax": "typescript",
+			"dynamicImport": true,
+			"decorators": true
+		},
+		"transform": {
+			"decoratorMetadata": true
+		},
+		"target": "es2022"
+	},
+	"minify": false,
+	"module": {
+		"type": "commonjs",
+		"strict": true
+	}
+}
diff --git a/packages/megalodon/package.json b/packages/megalodon/package.json
index 43479b2e73..6de3076aad 100644
--- a/packages/megalodon/package.json
+++ b/packages/megalodon/package.json
@@ -4,7 +4,7 @@
   "main": "./lib/src/index.js",
   "typings": "./lib/src/index.d.ts",
   "scripts": {
-    "build": "tsc -p ./",
+    "build": "pnpm swc src -d built -D",
     "lint": "eslint --ext .js,.ts src",
     "doc": "typedoc --out ../docs ./src",
     "test": "NODE_ENV=test jest -u --maxWorkers=3"
@@ -49,6 +49,8 @@
     "async-lock": "1.4.0"
   },
   "devDependencies": {
+		"@swc/cli": "^0.1.62",
+		"@swc/core": "^1.3.62",
     "@types/core-js": "^2.5.0",
     "@types/form-data": "^2.5.0",
     "@types/jest": "^29.4.0",
@@ -77,5 +79,8 @@
   "directories": {
     "lib": "lib",
     "test": "test"
-  }
+  },
+	"optionalDependencies": {
+		"@swc/core-android-arm64": "1.3.11"
+	}
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c5e7f1fada..3fc168cf1d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -789,7 +789,7 @@ importers:
         version: 2.30.0
       emojilib:
         specifier: github:thatonecalculator/emojilib
-        version: github.com/thatonecalculator/emojilib/9d16541664dc8fef3201ae9b647477070676a52e
+        version: github.com/thatonecalculator/emojilib/15fd9504f943763a057ff803ee2009ec0524c96b
       escape-regexp:
         specifier: 0.0.1
         version: 0.0.1
@@ -970,7 +970,17 @@ importers:
       ws:
         specifier: 8.12.0
         version: 8.12.0
+    optionalDependencies:
+      '@swc/core-android-arm64':
+        specifier: 1.3.11
+        version: 1.3.11
     devDependencies:
+      '@swc/cli':
+        specifier: ^0.1.62
+        version: 0.1.62(@swc/core@1.3.62)(chokidar@3.3.1)
+      '@swc/core':
+        specifier: ^1.3.62
+        version: 1.3.62
       '@types/async-lock':
         specifier: 1.4.0
         version: 1.4.0
@@ -17434,8 +17444,8 @@ packages:
       url-polyfill: 1.1.12
     dev: true
 
-  github.com/thatonecalculator/emojilib/9d16541664dc8fef3201ae9b647477070676a52e:
-    resolution: {tarball: https://codeload.github.com/thatonecalculator/emojilib/tar.gz/9d16541664dc8fef3201ae9b647477070676a52e}
+  github.com/thatonecalculator/emojilib/15fd9504f943763a057ff803ee2009ec0524c96b:
+    resolution: {tarball: https://codeload.github.com/thatonecalculator/emojilib/tar.gz/15fd9504f943763a057ff803ee2009ec0524c96b}
     name: emojilib
     version: 3.0.10
     dev: true