diff --git a/netkan/netkan/webhooks/__init__.py b/netkan/netkan/webhooks/__init__.py
index 2ffb1fee..2ac1c118 100644
--- a/netkan/netkan/webhooks/__init__.py
+++ b/netkan/netkan/webhooks/__init__.py
@@ -11,6 +11,7 @@
 from .inflate import inflate
 from .spacedock_inflate import spacedock_inflate
 from .spacedock_add import spacedock_add
+from .spacedock_metapackage import spacedock_metapackage
 from .github_inflate import github_inflate
 from .github_mirror import github_mirror
 
@@ -43,6 +44,7 @@ def create_app() -> Flask:
     app.register_blueprint(inflate)
     app.register_blueprint(spacedock_inflate, url_prefix='/sd')
     app.register_blueprint(spacedock_add, url_prefix='/sd')
+    app.register_blueprint(spacedock_metapackage, url_prefix='/sd')
     app.register_blueprint(github_inflate, url_prefix='/gh')
     app.register_blueprint(github_mirror, url_prefix='/gh')
 
diff --git a/netkan/netkan/webhooks/spacedock_metapackage.py b/netkan/netkan/webhooks/spacedock_metapackage.py
new file mode 100644
index 00000000..8595b3b1
--- /dev/null
+++ b/netkan/netkan/webhooks/spacedock_metapackage.py
@@ -0,0 +1,52 @@
+from pathlib import Path
+from flask import Blueprint, current_app, request, jsonify
+from typing import Tuple, Iterable, Dict, Any, List
+
+from ..common import pull_all
+from ..metadata import Netkan
+from ..repos import NetkanRepo
+
+
+spacedock_metapackage = Blueprint('spacedock_metapackage', __name__)  # pylint: disable=invalid-name
+
+
+# For metapackage hook on SpaceDock
+# Handles: https://netkan.ksp-ckan.space/sd/metapackage
+# POST form parameters:
+#     mod_ids:     The mods' ID numbers on SpaceDock
+@spacedock_metapackage.route('/metapackage', methods=['POST'])
+def metapackage_hook() -> Tuple[str, int]:
+    # Make sure our NetKAN and CKAN-meta repos are up to date
+    pull_all(current_app.config['repos'])
+    # Get the relevant netkans
+    sd_ids = request.form.getlist('mod_ids')
+    nks = find_netkans(current_app.config['nk_repo'], sd_ids)
+    if nks:
+        return jsonify({
+            'missing': not_found(sd_ids, nks),
+            'metapackage': mk_metapackage(nks, request.form.get('name', ''), request.form.get('abstract', '')),
+        }), 204
+    return 'No such modules', 404
+
+
+def mk_metapackage(netkans: Iterable[Netkan], name: str, abstract: str) -> Dict[str, Any]:
+    return {
+        'spec_version': 'v1.4',
+        'identifier': 'spacedock_metapackage',
+        'name': name,
+        'abstract': abstract,
+        'kind': 'metapackage',
+        'version': '1.0',
+        'license': 'unknown',
+        'depends': [{'name': nk.identifier} for nk in netkans]
+    }
+
+
+def find_netkans(nk_repo: NetkanRepo, sd_ids: List[str]) -> List[Netkan]:
+    return [nk for nk in nk_repo.netkans()
+            if nk.kref_src == 'spacedock' and nk.kref_id in sd_ids]
+
+
+def not_found(sd_ids: Iterable[str], netkans: List[Netkan]) -> List[str]:
+    nk_ids = {nk.kref_id for nk in netkans}
+    return [i for i in sd_ids if i not in nk_ids]