diff --git a/github-bot/.gitignore b/github-bot/.gitignore
new file mode 100644
index 000000000..c1fa1ef44
--- /dev/null
+++ b/github-bot/.gitignore
@@ -0,0 +1,2 @@
+js
+!example/.env
\ No newline at end of file
diff --git a/github-bot/README.md b/github-bot/README.md
new file mode 100644
index 000000000..38ac13037
--- /dev/null
+++ b/github-bot/README.md
@@ -0,0 +1,4 @@
+# Tachi GitHub Bot
+
+We use this to listen for pull requests that affect the Database Seeds.
+When this happens, we provide a link for viewing the diff. Simple!
\ No newline at end of file
diff --git a/github-bot/example/.env b/github-bot/example/.env
new file mode 100644
index 000000000..631bab08c
--- /dev/null
+++ b/github-bot/example/.env
@@ -0,0 +1,4 @@
+APP_ID=1000
+WEBHOOK_SECRET=changeme
+PORT=80
+CLIENT_SECRET=changeme
diff --git a/github-bot/package.json b/github-bot/package.json
new file mode 100644
index 000000000..4bd1cf251
--- /dev/null
+++ b/github-bot/package.json
@@ -0,0 +1,34 @@
+{
+	"name": "tachi-github-bot",
+	"version": "1.0.0",
+	"private": true,
+	"description": "A GitHub bot for listening to Tachi's GitHub Repo.",
+	"author": "zkldi",
+	"license": "ISC",
+	"homepage": "https://github.com//",
+	"keywords": [
+		"probot",
+		"github",
+		"probot-app"
+	],
+	"scripts": {
+		"build": "tsc",
+		"start": "probot run ./lib/index.js"
+	},
+	"dependencies": {
+		"@octokit/webhooks": "10.1.5",
+		"dotenv": "16.0.0",
+		"express": "4.17.2",
+		"node-fetch": "2.6.7",
+		"prudence": "0.9.8"
+	},
+	"devDependencies": {
+		"@types/express": "4.17.13",
+		"@types/node-fetch": "2.5.12",
+		"@types/node": "^16.0.0",
+		"typescript": "4.5.5"
+	},
+	"engines": {
+		"node": ">= 16.0.0"
+	}
+}
\ No newline at end of file
diff --git a/github-bot/src/config.ts b/github-bot/src/config.ts
new file mode 100644
index 000000000..ae693859e
--- /dev/null
+++ b/github-bot/src/config.ts
@@ -0,0 +1,31 @@
+import "dotenv";
+import p from "prudence";
+
+function ParseEnvVars() {
+	const err = p(
+		process.env,
+		{
+			APP_ID: "string",
+			WEBHOOK_SECRET: "string",
+			PORT: (self) =>
+				p.isPositiveInteger(Number(self)) === true ||
+				"Should be a string representing a whole integer port.",
+			CLIENT_SECRET: "string",
+		},
+		{},
+		{ allowExcessKeys: true }
+	);
+
+	if (err) {
+		throw new Error(err.message);
+	}
+
+	return {
+		appId: process.env.APP_ID!,
+		webhookSecret: process.env.WEBHOOK_SECRET!,
+		port: process.env.PORT!,
+		clientSecret: process.env.CLIENT_SECRET!,
+	};
+}
+
+export const ProcessEnv = ParseEnvVars();
diff --git a/github-bot/src/index.ts b/github-bot/src/index.ts
new file mode 100644
index 000000000..2638ab85a
--- /dev/null
+++ b/github-bot/src/index.ts
@@ -0,0 +1,127 @@
+/* eslint-disable no-console */
+import { ProcessEnv } from "./config";
+import express from "express";
+import fetch from "node-fetch";
+import { URLSearchParams } from "url";
+import type { EmitterWebhookEvent } from "@octokit/webhooks";
+import type { Express } from "express";
+
+export const app: Express = express();
+
+app.use(express.json());
+
+// Let NGINX work its magic.
+app.set("trust proxy", "loopback");
+
+// Disable query string nesting such as ?a[b]=4 -> {a: {b: 4}}. This
+// almost always results in a painful security vuln.
+app.set("query parser", "simple");
+
+/**
+ * Return the status of this bot and the version it's running.
+ *
+ * @name GET /
+ */
+app.get("/", (req, res) =>
+	res.status(200).json({
+		success: true,
+		description: "Github Bot is online!",
+		body: {
+			time: Date.now(),
+		},
+	})
+);
+
+/**
+ * Create a response that contains a link to the seeds diff viewer.
+ */
+function mkSeedDiffViewMsg(repo: string, sha: string, compareRepo: string, compareSHA: string) {
+	const params = new URLSearchParams({
+		repo: ConvertGitHubURL(repo),
+		sha,
+		compareRepo: ConvertGitHubURL(compareRepo),
+		compareSHA,
+	});
+
+	return `Beep Boop! This change affects \`database-seeds/collections\`. We have a dedicated diff-viewer for this part of the codebase, which makes it easier to view changes.
+
+*****
+
+[View Seeds Diff](https://bokutachi.xyz/dashboard/utils/seeds?${params.toString()}
+`;
+}
+
+function ConvertGitHubURL(url: string) {
+	return url.replace("https://github.com/", "GitHub:");
+}
+
+/**
+ * Listens for GitHub webhook calls.
+ *
+ * @name POST /webhook
+ */
+app.post("/webhook", async (req, res) => {
+	console.dir(req.body);
+
+	const event = req.header("X-GitHub-Event");
+
+	if (event !== "pull_request") {
+		return res.status(400).json({
+			success: false,
+			description: `Unsupported Event.`,
+		});
+	}
+
+	const body = req.body as EmitterWebhookEvent<"pull_request">["payload"];
+
+	if (body.action !== "opened" && body.action !== "edited") {
+		return res.status(400).json({
+			success: false,
+			description: `We only care about opened/edited pull requests!`,
+		});
+	}
+
+	const filesChanged = (await fetch(
+		`https://api.github.com/repos/TNG-dev/Tachi/pulls/${body.number}/files`
+	).then((r) => r.json())) as Array<{ filename: string }>;
+
+	// if any file modified in this pr is a collection
+	if (filesChanged.some((k) => k.filename.startsWith("database-seeds/collections"))) {
+		// post a link to the diff viewer in the PR comments.
+		await fetch(body.pull_request._links.comments.href, {
+			method: "POST",
+			headers: {
+				"Content-Type": "application/json",
+				Authorization: `Bearer ${ProcessEnv.clientSecret}`,
+			},
+			body: JSON.stringify({
+				body: mkSeedDiffViewMsg(
+					body.pull_request.head.repo.url,
+					body.pull_request.head.sha,
+					body.pull_request.base.repo.url,
+					body.pull_request.base.sha
+				),
+			}),
+		});
+	}
+
+	return res.status(200).json({
+		success: true,
+		description: "Handled request.",
+		body: {},
+	});
+});
+
+/**
+ * 404 Handler. If something gets to this point, they haven't matched with anything.
+ *
+ * @name ALL *
+ */
+app.all("*", (req, res) =>
+	res.status(404).json({
+		success: false,
+		description: "Nothing found here.",
+	})
+);
+
+console.log(`Starting express server on port ${ProcessEnv.port}.`);
diff --git a/github-bot/tsconfig.json b/github-bot/tsconfig.json
new file mode 100644
index 000000000..2c5d739a3
--- /dev/null
+++ b/github-bot/tsconfig.json
@@ -0,0 +1,15 @@
+{
+	"extends": "../tsconfig.json",
+	"compilerOptions": {
+		"target": "es5",
+		"module": "commonjs",
+		"lib": [
+			"es2015",
+			"es2017"
+		],
+		"outDir": "js/"
+	},
+	"include": [
+		"src/"
+	],
+}
\ No newline at end of file
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0bb5d7675..c4f6115e0 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -276,6 +276,29 @@ importers:
       prudence: 0.9.8
       xml2js: 0.4.23
 
+  github-bot:
+    specifiers:
+      '@octokit/webhooks': 10.1.5
+      '@types/express': 4.17.13
+      '@types/node': 16.11.7
+      '@types/node-fetch': 2.5.12
+      dotenv: 16.0.0
+      express: 4.17.2
+      node-fetch: 2.6.7
+      prudence: 0.9.8
+      typescript: 4.5.5
+    dependencies:
+      '@octokit/webhooks': 10.1.5
+      dotenv: 16.0.0
+      express: 4.17.2
+      node-fetch: 2.6.7
+      prudence: 0.9.8
+    devDependencies:
+      '@types/express': 4.17.13
+      '@types/node': 16.11.7
+      '@types/node-fetch': 2.5.12
+      typescript: 4.5.5
+
   server:
     specifiers:
       '@aws-sdk/client-s3': 3.49.0
@@ -3030,6 +3053,44 @@ packages:
       fastq: 1.13.0
     dev: true
 
+  /@octokit/openapi-types/13.12.0:
+    resolution: {integrity: sha512-1QYzZrwnn3rTQE7ZoSxXrO8lhu0aIbac1c+qIPOPEaVXBWSaUyLV1x9yt4uDQOwmu6u5ywVS8OJgs+ErDLf6vQ==}
+    dev: false
+
+  /@octokit/request-error/3.0.1:
+    resolution: {integrity: sha512-ym4Bp0HTP7F3VFssV88WD1ZyCIRoE8H35pXSKwLeMizcdZAYc/t6N9X9Yr9n6t3aG9IH75XDnZ6UeZph0vHMWQ==}
+    engines: {node: '>= 14'}
+    dependencies:
+      '@octokit/types': 7.5.1
+      deprecation: 2.3.1
+      once: 1.4.0
+    dev: false
+
+  /@octokit/types/7.5.1:
+    resolution: {integrity: sha512-Zk4OUMLCSpXNI8KZZn47lVLJSsgMyCimsWWQI5hyjZg7hdYm0kjotaIkbG0Pp8SfU2CofMBzonboTqvzn3FrJA==}
+    dependencies:
+      '@octokit/openapi-types': 13.12.0
+    dev: false
+
+  /@octokit/webhooks-methods/3.0.0:
+    resolution: {integrity: sha512-FAIyAchH9JUKXugKMC17ERAXM/56vVJekwXOON46pmUDYfU7uXB4cFY8yc8nYr5ABqVI7KjRKfFt3mZF7OcyUA==}
+    engines: {node: '>= 14'}
+    dev: false
+
+  /@octokit/webhooks-types/6.3.6:
+    resolution: {integrity: sha512-x6yBtWobk20OhOiJ4VWsH3iJ/30IG+VoDWSgS4Tiyidi2KOiBS3bL+AJrNuq4OyNuWOM/FbHQTp6KEZs1oPD/g==}
+    dev: false
+
+  /@octokit/webhooks/10.1.5:
+    resolution: {integrity: sha512-sQkxM6l9HdG1vsHFj2T/o8SnCPDDxovcs0rsSd4UR5jJFNPCPIBRmFNVHfM37nncLKuTwIpmMeePphNf1k6Waw==}
+    engines: {node: '>= 14'}
+    dependencies:
+      '@octokit/request-error': 3.0.1
+      '@octokit/webhooks-methods': 3.0.0
+      '@octokit/webhooks-types': 6.3.6
+      aggregate-error: 3.1.0
+    dev: false
+
   /@popperjs/core/2.11.5:
     resolution: {integrity: sha512-9X2obfABZuDVLCgPK9aX0a/x4jaOEweTTWE2+9sr0Qqqevj2Uv5XorvusThmc9XGYpS9yI+fhh8RTafBtGposw==}
     dev: false
@@ -3342,7 +3403,6 @@ packages:
     dependencies:
       '@types/node': 16.11.7
       form-data: 3.0.1
-    dev: false
 
   /@types/node/16.11.7:
     resolution: {integrity: sha512-QB5D2sqfSjCmTuWcBWyJ+/44bcjO7VbjSbOE0ucoVbAsSNQc4Lt6QkgkVXkTDwkL4z/beecZNDvVX15D4P8Jbw==}
@@ -3822,7 +3882,6 @@ packages:
     dependencies:
       clean-stack: 2.2.0
       indent-string: 4.0.0
-    dev: true
 
   /ajv-errors/1.0.1_ajv@6.12.6:
     resolution: {integrity: sha512-DCRfO/4nQ+89p/RK43i8Ezd41EqdGIU4ld7nGF8OQ14oc/we5rEntLCUa7+jrn3nn83BosfwZA0wb4pon2o8iQ==}
@@ -4930,7 +4989,6 @@ packages:
   /clean-stack/2.2.0:
     resolution: {integrity: sha512-4diC9HaTE+KRAMWhDhrGOECgWZxoevMc5TlkObMqNSsVU62PYzXZ/SMTjzyGAFF1YusgxGcSWTEXBhp0CPwQ1A==}
     engines: {node: '>=6'}
-    dev: true
 
   /cli-cursor/2.1.0:
     resolution: {integrity: sha512-8lgKz8LmCRYZZQDpRyT2m5rKJ08TnU4tR9FFFW2rxpxR1FzWi4PQ/NfyODchAatHaUgnSPVcx/R5w6NuTBzFiw==}
@@ -5916,6 +5974,10 @@ packages:
     engines: {node: '>= 0.8'}
     dev: false
 
+  /deprecation/2.3.1:
+    resolution: {integrity: sha512-xmHIy4F3scKVwMsQ4WnVaS8bHOx0DmVwRywosKhaILI0ywMDWPtBSku2HNxRvF7jtwDRsoEwYQSfbxj8b7RlJQ==}
+    dev: false
+
   /dequal/2.0.2:
     resolution: {integrity: sha512-q9K8BlJVxK7hQYqa6XISGmBZbtQQWVXSrRrWreHC94rMt1QL/Impruc+7p2CYSYuVIUr+YCt6hjrs1kkdJRTug==}
     engines: {node: '>=6'}
@@ -7346,7 +7408,6 @@ packages:
       asynckit: 0.4.0
       combined-stream: 1.0.8
       mime-types: 2.1.35
-    dev: false
 
   /form-data/4.0.0:
     resolution: {integrity: sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==}
@@ -8126,7 +8187,6 @@ packages:
   /indent-string/4.0.0:
     resolution: {integrity: sha512-EdDDZu4A2OyIK7Lr/2zG+w5jmbuk1DVBnEwREQvBzspBJkCEbRa8GxU1lghYcaGJCnRWibjDXlq779X1/y5xwg==}
     engines: {node: '>=8'}
-    dev: true
 
   /indexes-of/1.0.1:
     resolution: {integrity: sha512-bup+4tap3Hympa+JBJUG7XuOsdNQ6fxt0MHyXMKuLBKn0OqsTfvUxkUrroEX1+B2VsSHvCjiIcZVxRtYa4nllA==}
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 1a3a44940..597bcad4e 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -7,3 +7,4 @@ packages:
   - "database-seeds/**"
   - "server/**"
   - "sieglinde/**"
+  - "github-bot/**"