diff --git a/automations/webmentions.ts b/automations/webmentions.ts
index eddbcea8..167c362f 100644
--- a/automations/webmentions.ts
+++ b/automations/webmentions.ts
@@ -6,6 +6,19 @@ import dotenv from "dotenv";
 import { JSDOM } from "jsdom";
 import DOMPurify from "dompurify";
 
+interface WebMention {
+  "wm-id": string;
+  "wm-source": string;
+  "wm-target": string;
+  "wm-property": string;
+  "wm-received": string;
+  content?: {
+    text: string;
+    html: string;
+  };
+  url: string;
+}
+
 const window = new JSDOM("").window;
 const purify = DOMPurify(window);
 
@@ -40,12 +53,13 @@ const main = async () => {
     .then(get("children"))
     .then(writeMentionsToFile);
 
-  function writeMentionsToFile(mentions) {
+  function writeMentionsToFile(mentions: WebMention[]) {
     const all = {};
     mentions
       .filter((mention) =>
         BLOCKLIST.every((url) => !mention["wm-source"].includes(url))
       )
+      .filter((mention) => mention.content?.text !== "[deleted]")
       .forEach((mention) => {
         let target = mention["wm-target"].replace(domain, "");
 
diff --git a/package-lock.json b/package-lock.json
index 5d644571..eaf0cc68 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,6 +37,7 @@
         "@types/linkify-it": "^3.0.2",
         "@types/markdown-it": "^12.2.3",
         "@types/mdurl": "^1.0.2",
+        "@types/node": "^20.11.16",
         "@types/universal-analytics": "^0.4.5",
         "autoprefixer": "^10.4.14",
         "axios": "^1.6.0",
@@ -70,6 +71,7 @@
         "rimraf": "^5.0.1",
         "slugify": "^1.6.6",
         "tailwindcss": "^3.3.3",
+        "typescript": "^5.3.3",
         "url": "^0.11.1",
         "workbox-build": "^7.0.0"
       }
@@ -3331,10 +3333,13 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "17.0.20",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.20.tgz",
-      "integrity": "sha512-Q15Clj3lZSLnhVA6yKw1G7SQz46DeL9gO1TEgfK1OQGvMdQ6TUWmCeWf1QBUNkw2BDfV52i2YuYd9OF3ZwGhjw==",
-      "dev": true
+      "version": "20.11.16",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.16.tgz",
+      "integrity": "sha512-gKb0enTmRCzXSSUJDq6/sPcqrfCv2mkkG6Jt/clpn5eiCbKTY+SgZUxo+p8ZKMof5dCp9vHQUAB7wOUTod22wQ==",
+      "dev": true,
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
     },
     "node_modules/@types/resolve": {
       "version": "1.17.1",
@@ -10680,6 +10685,19 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/typescript": {
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
+      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
     "node_modules/uc.micro": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-1.0.6.tgz",
@@ -10719,6 +10737,12 @@
       "integrity": "sha512-+A5Sja4HP1M08MaXya7p5LvjuM7K6q/2EaC0+iovj/wOcMsTzMvDFbasi/oSapiwOlt252IqsKqPjCl7huKS0A==",
       "dev": true
     },
+    "node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
+    },
     "node_modules/unicode-canonical-property-names-ecmascript": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-2.0.0.tgz",
@@ -13875,10 +13899,13 @@
       "dev": true
     },
     "@types/node": {
-      "version": "17.0.20",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.20.tgz",
-      "integrity": "sha512-Q15Clj3lZSLnhVA6yKw1G7SQz46DeL9gO1TEgfK1OQGvMdQ6TUWmCeWf1QBUNkw2BDfV52i2YuYd9OF3ZwGhjw==",
-      "dev": true
+      "version": "20.11.16",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.16.tgz",
+      "integrity": "sha512-gKb0enTmRCzXSSUJDq6/sPcqrfCv2mkkG6Jt/clpn5eiCbKTY+SgZUxo+p8ZKMof5dCp9vHQUAB7wOUTod22wQ==",
+      "dev": true,
+      "requires": {
+        "undici-types": "~5.26.4"
+      }
     },
     "@types/resolve": {
       "version": "1.17.1",
@@ -19386,6 +19413,12 @@
       "integrity": "sha512-eaBzG6MxNzEn9kiwvtre90cXaNLkmadMWa1zQMs3XORCXNbsH/OewwbxC5ia9dCxIxnTAsSxXJaa/p5y8DlvJg==",
       "dev": true
     },
+    "typescript": {
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
+      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+      "dev": true
+    },
     "uc.micro": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-1.0.6.tgz",
@@ -19416,6 +19449,12 @@
       "integrity": "sha512-+A5Sja4HP1M08MaXya7p5LvjuM7K6q/2EaC0+iovj/wOcMsTzMvDFbasi/oSapiwOlt252IqsKqPjCl7huKS0A==",
       "dev": true
     },
+    "undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
+    },
     "unicode-canonical-property-names-ecmascript": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-2.0.0.tgz",
diff --git a/package.json b/package.json
index 1ab9fbe3..d7f840a1 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
     "prepare:mastodon": "esbuild automations/mastodon.ts --outfile=dist/mastodon.mjs --bundle --platform=node --format=esm --external:./node_modules/*",
     "prepare:npm": "esbuild automations/npm.ts --outfile=dist/npm.mjs --bundle --platform=node --format=esm --external:./node_modules/*",
     "prepare:webmentions": "esbuild automations/webmentions.ts --outfile=dist/webmentions.mjs --bundle --platform=node --format=esm --external:./node_modules/*",
+    "test": "tsc --noEmit",
     "webmentions": "node dist/webmentions.mjs"
   },
   "devDependencies": {
@@ -35,6 +36,7 @@
     "@types/linkify-it": "^3.0.2",
     "@types/markdown-it": "^12.2.3",
     "@types/mdurl": "^1.0.2",
+    "@types/node": "^20.11.16",
     "@types/universal-analytics": "^0.4.5",
     "autoprefixer": "^10.4.14",
     "axios": "^1.6.0",
@@ -68,6 +70,7 @@
     "rimraf": "^5.0.1",
     "slugify": "^1.6.6",
     "tailwindcss": "^3.3.3",
+    "typescript": "^5.3.3",
     "url": "^0.11.1",
     "workbox-build": "^7.0.0"
   },
diff --git a/tsconfig.json b/tsconfig.json
index 116ce256..f668f6f7 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,8 @@
         "module": "esnext",
         "target": "esnext",
         "moduleResolution": "node",
-        "allowSyntheticDefaultImports": true
+        "allowSyntheticDefaultImports": true,
+        "lib": ["esnext", "dom"],
     },
     "include": [
         "automations/**/*.ts"