diff --git a/.github/workflows/add_mod_port.yml b/.github/workflows/add_mod_port.yml
new file mode 100644
index 0000000..593993b
--- /dev/null
+++ b/.github/workflows/add_mod_port.yml
@@ -0,0 +1,61 @@
+# Adds the necessary Hugo metadata when an existing mod update is ported to a new Minecraft version.
+name: Add Mod Port
+run-name: Add ${{ github.event.inputs.mod }} ${{ github.event.inputs.mod_version }} build for ${{ github.event.inputs.mc_version }}
+
+on:
+  workflow_dispatch:
+    inputs:
+      mod:
+        description: "Mod ID (as it appears in config.toml)"
+        required: true
+      mod_version:
+        description: "Mod version (without v or -MC)"
+        required: true
+      mc_version:
+        description: "Minecraft version"
+        required: true
+      fapi_version:
+        description: "Fabric API version"
+        required: true
+      file_id:
+        description: "CurseForge file ID"
+        required: true
+
+jobs:
+  update-post:
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: "pip"
+          cache-dependency-path: _scripts/requirements.txt
+
+      - name: Install dependencies
+        run: |
+          pip install -r _scripts/requirements.txt
+
+      - name: Run add_mod_port.py
+        run: |
+          python _scripts/add_mod_port.py \
+            "${{ github.event.inputs.mod }}" \
+            "${{ github.event.inputs.mod_version }}" \
+            "${{ github.event.inputs.mc_version }}" \
+            "${{ github.event.inputs.fapi_version }}" \
+            "${{ github.event.inputs.file_id }}"
+
+      - name: Commit changes
+        run: |
+          MOD="${{ github.event.inputs.mod }}"
+          MOD_VERSION="${{ github.event.inputs.mod_version }}"
+          MC_VERSION="${{ github.event.inputs.mc_version }}"
+          git config --local user.email "contact.wurstimperium@gmail.com"
+          git config --local user.name "Wurst-Bot"
+          git add .
+          git commit -m "[Wurst-Bot] Port $MOD $MOD_VERSION to Minecraft $MC_VERSION"
+          git push
diff --git a/scripts/add_mod_port.py b/scripts/add_mod_port.py
new file mode 100644
index 0000000..f6d7aa7
--- /dev/null
+++ b/scripts/add_mod_port.py
@@ -0,0 +1,199 @@
+import json
+import os
+import requests
+from argparse import ArgumentParser
+from io import StringIO
+from ruamel.yaml import YAML
+
+yaml = YAML()
+yaml.preserve_quotes = True
+
+manifest_url = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json"
+manifest = requests.get(manifest_url).json()
+
+version_info = {
+	version["id"]: {"type": version["type"], "releaseTime": version["releaseTime"]}
+	for version in manifest["versions"]
+}
+
+
+def read_front_matter(path):
+	"""Read YAML front matter from a Jekyll/Hugo post."""
+	with open(path, "r", encoding="utf-8") as file:
+		content = file.read()
+
+	# Split on the first two "---" markers
+	parts = content.split("---", 2)
+	if len(parts) < 3:
+		raise ValueError(f"Invalid front matter format in {path}")
+
+	# Parse the YAML between the markers
+	return yaml.load(parts[1])
+
+
+def write_front_matter(path, front_matter):
+	"""Write YAML front matter to a Jekyll/Hugo post while preserving content."""
+	with open(path, "r", encoding="utf-8") as file:
+		content = file.read()
+
+	# Split the original content
+	parts = content.split("---", 2)
+	if len(parts) < 3:
+		raise ValueError(f"Invalid front matter format in {path}")
+
+	# Create new content with updated front matter
+	output = StringIO()
+	yaml.dump(front_matter, output)
+	new_content = f"---\n{output.getvalue()}---{parts[2]}"
+
+	# Write the updated content
+	with open(path, "w", encoding="utf-8") as file:
+		file.write(new_content)
+
+
+def find_mod_update_post(mod, version):
+	"""Find the mod update post for a specific version."""
+	posts_folder = os.path.join("content", mod)
+	for root, _, files in os.walk(posts_folder):
+		for file in files:
+			version_slug = version.replace(".", "-")
+			if version_slug not in file:
+				continue
+
+			post_path = os.path.join(root, file)
+			front_matter = read_front_matter(post_path)
+			if front_matter["modversion"] == version:
+				return front_matter, post_path
+
+	raise ValueError(f"Could not find post for mod {mod} version {version}")
+
+
+def update_mod_post(mod, mod_version, mc_version):
+	"""Add a new Minecraft version to a mod update post."""
+	mc_version_type = version_info[mc_version]["type"]
+	front_matter, post_path = find_mod_update_post(mod, mod_version)
+
+	if mc_version_type == "snapshot":
+		if "snapshots" not in front_matter:
+			front_matter["snapshots"] = []
+		if mc_version not in front_matter["snapshots"]:
+			front_matter["snapshots"].insert(0, mc_version)
+			front_matter["snapshots"].sort(
+				key=lambda v: version_info[v]["releaseTime"],
+				reverse=True,
+			)
+	elif mc_version not in front_matter["mcversions"]:
+		front_matter["mcversions"].insert(0, mc_version)
+		front_matter["mcversions"].sort(
+			key=lambda v: version_info[v]["releaseTime"],
+			reverse=True,
+		)
+
+	write_front_matter(post_path, front_matter)
+
+
+def update_fabric_api_data(mod, mod_version, mc_version, fapi_version):
+	"""Add a new entry to the Fabric API data file for a mod."""
+	data_file = os.path.join("data", "fabric_api", f"{mod}.json")
+	with open(data_file, "r") as f:
+		data = json.load(f)
+
+	# Add mod_version -> mc_version -> fabric_api mapping unless it is already there
+	if mod_version not in data:
+		data[mod_version] = {}
+	if mc_version not in data[mod_version]:
+		data[mod_version][mc_version] = fapi_version
+
+	# Sort fabric_api by release time and version type
+	for mod_version in data:
+		data[mod_version] = {
+			k: v
+			for k, v in sorted(
+				data[mod_version].items(),
+				key=lambda item: (
+					version_info[item[0]]["type"] == "release",
+					version_info[item[0]]["releaseTime"],
+				),
+				reverse=True,
+			)
+		}
+
+	with open(data_file, "w") as f:
+		json.dump(data, f, indent=2)
+
+
+def update_curseforge_data(mod, mod_version, mc_version, file_id: int, modloader="fabric"):
+	"""Add a new entry to the CurseForge data file for a mod."""
+	data_file = os.path.join("data", "curseforge", f"{mod}", f"{modloader}.json")
+	with open(data_file, "r") as f:
+		data = json.load(f)
+
+	# Add mod_version -> mc_version mapping unless it is already there
+	if mod_version not in data:
+		data[mod_version] = {}
+	if mc_version not in data[mod_version]:
+		data[mod_version][mc_version] = file_id
+
+	# Sort curseforge IDs by release time and version type
+	for mod_version in data:
+		data[mod_version] = {
+			k: v
+			for k, v in sorted(
+				data[mod_version].items(),
+				key=lambda item: (
+					version_info[item[0]]["type"] == "release",
+					version_info[item[0]]["releaseTime"],
+				),
+				reverse=True,
+			)
+		}
+
+	with open(data_file, "w") as f:
+		json.dump(data, f, indent=2)
+
+
+def add_download_category(mod, new_mcversion, old_mcversion):
+	"""Add a new download category when a mod is ported to a new Minecraft version."""
+	old_page_path = os.path.join(
+		"content", mod, f"minecraft-{old_mcversion.replace('.', '-')}.html"
+	)
+	new_page_path = os.path.join(
+		"content", mod, f"minecraft-{new_mcversion.replace('.', '-')}.html"
+	)
+
+	front_matter = read_front_matter(old_page_path)
+	title = front_matter["title"]
+	description = front_matter["description"]
+
+	front_matter["title"] = title.replace(old_mcversion, new_mcversion)
+	front_matter["description"] = description.replace(old_mcversion, new_mcversion)
+	front_matter["mcversion"] = new_mcversion
+
+	with open(new_page_path, "w", encoding="utf-8") as f:
+		f.writelines(["---", "---", "\n"])
+	write_front_matter(new_page_path, front_matter)
+
+
+if __name__ == "__main__":
+	parser = ArgumentParser(
+		description="Adds the necessary Hugo metadata when an existing mod update is ported to a new Minecraft version"
+	)
+	parser.add_argument("mod", help="Mod ID (as it appears in config.toml)")
+	parser.add_argument("mod_version", help="Mod version (without v or -MC)")
+	parser.add_argument("mc_version", help="Minecraft version")
+	parser.add_argument("fapi_version", help="Fabric API version")
+	parser.add_argument("file_id", help="CurseForge file ID")
+
+	args = parser.parse_args()
+	update_mod_post(args.mod, args.mod_version, args.mc_version)
+	update_fabric_api_data(args.mod, args.mod_version, args.mc_version, args.fapi_version)
+	update_curseforge_data(args.mod, args.mod_version, args.mc_version, args.file_id)
+
+	mc_version_type = version_info[args.mc_version]["type"]
+	if mc_version_type == "release" and args.mc_version == manifest["latest"]["release"]:
+		old_latest = sorted(
+			[v for v in manifest["versions"] if v["type"] == "release"],
+			key=lambda v: v["releaseTime"],
+			reverse=True,
+		)[1]["id"]
+		add_download_category(args.mod, args.mc_version, old_latest)
diff --git a/scripts/requirements.txt b/scripts/requirements.txt
new file mode 100644
index 0000000..9d48c4b
--- /dev/null
+++ b/scripts/requirements.txt
@@ -0,0 +1,2 @@
+requests
+ruamel.yaml