diff --git a/worlds/soe/__init__.py b/worlds/soe/__init__.py
index 161c749fd6..8de83da7ea 100644
--- a/worlds/soe/__init__.py
+++ b/worlds/soe/__init__.py
@@ -20,7 +20,8 @@ if typing.TYPE_CHECKING:
     from BaseClasses import MultiWorld, CollectionState
 
 __all__ = ["pyevermizer", "SoEWorld"]
-
+__version__ = "0.50.1"
+__author__ = "black-sliver"
 
 """
 In evermizer:
@@ -461,7 +462,7 @@ class SoEWorld(World):
             except FileNotFoundError:
                 pass
 
-    def modify_multidata(self, multidata: typing.Dict[str, typing.Any]) -> None:
+    def modify_multidata(self, multidata: typing.Mapping[str, typing.Any]) -> None:
         # wait for self.connect_name to be available.
         self.connect_name_available_event.wait()
         # we skip in case of error, so that the original error in the output thread is the one that gets raised
diff --git a/worlds/soe/archipelago.json b/worlds/soe/archipelago.json
new file mode 100644
index 0000000000..5a3ca8353e
--- /dev/null
+++ b/worlds/soe/archipelago.json
@@ -0,0 +1,8 @@
+{
+    "game": "Secret of Evermore",
+    "authors": [
+        "black-sliver"
+    ],
+    "world_version": "0.50.1",
+    "minimum_ap_version": "0.4.2"
+}
\ No newline at end of file
diff --git a/worlds/soe/logic.py b/worlds/soe/logic.py
index 92ffb14b3f..30633d2fcc 100644
--- a/worlds/soe/logic.py
+++ b/worlds/soe/logic.py
@@ -16,9 +16,14 @@ rules = pyevermizer.get_logic()
 # Logic.items are all items and extra items excluding non-progression items and duplicates
 # NOTE: we are skipping sniff items here because none of them is supposed to provide progression
 item_names: Set[str] = set()
-items = [item for item in filter(lambda item: item.progression,  # type: ignore[arg-type]
-                                 chain(pyevermizer.get_items(), pyevermizer.get_extra_items()))
-         if item.name not in item_names and not item_names.add(item.name)]  # type: ignore[func-returns-value]
+items = [
+    item
+    for item in filter(
+        lambda item: item.progression,
+        chain(pyevermizer.get_items(), pyevermizer.get_extra_items()),
+    )
+    if item.name not in item_names and not item_names.add(item.name)  # type: ignore[func-returns-value]
+]
 
 
 class SoEPlayerLogic:
diff --git a/worlds/soe/test/test_manifest.py b/worlds/soe/test/test_manifest.py
new file mode 100644
index 0000000000..64dfbdf8c8
--- /dev/null
+++ b/worlds/soe/test/test_manifest.py
@@ -0,0 +1,14 @@
+import json
+from pathlib import Path
+from unittest import TestCase, skipUnless
+
+
+@skipUnless((Path(__file__).parent.parent / "tools" / "make_manifest.py").exists(), "Packaged without tools")
+class ManifestTest(TestCase):
+    def test_manifest_is_up_to_date(self) -> None:
+        from ..tools.make_manifest import make_manifest
+
+        expected_manifest = make_manifest()
+        with (Path(__file__).parent.parent / "archipelago.json").open("r", encoding="utf-8") as f:
+            actual_manifest = json.load(f)
+        self.assertEqual(actual_manifest, expected_manifest, "Manifest is not up to date")
diff --git a/worlds/soe/tools/__init__.py b/worlds/soe/tools/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/worlds/soe/tools/make_manifest.py b/worlds/soe/tools/make_manifest.py
new file mode 100644
index 0000000000..34e9c42b05
--- /dev/null
+++ b/worlds/soe/tools/make_manifest.py
@@ -0,0 +1,42 @@
+"""Create archipelago.json manifest file. Run as `python -m worlds.soe.tools.make_manifest`."""
+
+import json
+from importlib.metadata import metadata
+from pathlib import Path
+from typing import Any
+
+from .. import SoEWorld, __version__ as world_version, __author__ as world_author
+
+
+__all__ = ["make_manifest"]
+
+
+def make_manifest() -> dict[str, Any]:
+    """
+    Generate and return manifest dict for the Secret of Evermore APWorld.
+
+    The world version is supposed to be equal to the pyevermizer version, but we may have to break that in the future
+    if we ever do a breaking change to the world after we are >= 1.0.0, or we release multiple versions of the APWorld
+    for a single pyevermizer version.
+    """
+    meta = metadata("pyevermizer")
+    version = meta["Version"]
+    authors = list(dict.fromkeys(map(str.rstrip, (world_author + "," + meta["Author"]).split(","))))
+    assert world_version == version, f"Expected world version ({world_version}) == pyevermizer version ({version})."
+
+    return {
+        "game": SoEWorld.game,
+        "authors": authors,
+        "world_version": world_version,
+        "minimum_ap_version": "0.4.2",  # introduction of settings API
+    }
+
+
+if __name__ == "__main__":
+    assert SoEWorld.__file__, "Could not determine world source."
+    module_dir = Path(SoEWorld.__file__).parent
+    assert module_dir.is_dir(), f"{module_dir} is not a directory"
+    manifest_path = module_dir / "archipelago.json"
+
+    with manifest_path.open("w", encoding="utf-8") as f:
+        json.dump(make_manifest(), f, indent=4)