diff --git a/app/models/mods.py b/app/models/mods.py
index b96811f..fc16238 100644
--- a/app/models/mods.py
+++ b/app/models/mods.py
@@ -79,15 +79,13 @@ class Mod(TypedDict):
 
 API_MODS: dict[Literal[0, 1, 2, 3], dict[str, Mod]] = {}
 
-
-def init_mods():
-    mods_file = STATIC_DIR / "mods.json"
-    raw_mods = json.loads(mods_file.read_text())
-    for ruleset in raw_mods:
-        ruleset_mods = {}
-        for mod in ruleset["Mods"]:
-            ruleset_mods[mod["Acronym"]] = mod
-        API_MODS[ruleset["RulesetID"]] = ruleset_mods
+mods_file = STATIC_DIR / "mods.json"
+raw_mods = json.loads(mods_file.read_text())
+for ruleset in raw_mods:
+    ruleset_mods = {}
+    for mod in ruleset["Mods"]:
+        ruleset_mods[mod["Acronym"]] = mod
+    API_MODS[ruleset["RulesetID"]] = ruleset_mods
 
 
 def int_to_mods(mods: int) -> list[APIMod]:
diff --git a/app/models/multiplayer_hub.py b/app/models/multiplayer_hub.py
index 5011af9..e583a69 100644
--- a/app/models/multiplayer_hub.py
+++ b/app/models/multiplayer_hub.py
@@ -22,7 +22,7 @@ from app.dependencies.database import with_db
 from app.dependencies.fetcher import get_fetcher
 from app.exception import InvokeException
 
-from .mods import APIMod
+from .mods import API_MODS, APIMod
 from .room import (
     DownloadState,
     MatchType,
@@ -121,19 +121,9 @@ class PlaylistItem(BaseModel):
     star_rating: float
     freestyle: bool
 
-    def _get_api_mods(self):
-        from app.models.mods import API_MODS, init_mods
-
-        if not API_MODS:
-            init_mods()
-        return API_MODS
-
     def _validate_mod_for_ruleset(
         self, mod: APIMod, ruleset_key: int, context: str = "mod"
     ) -> None:
-        from typing import Literal, cast
-
-        API_MODS = self._get_api_mods()
         typed_ruleset_key = cast(Literal[0, 1, 2, 3], ruleset_key)
 
         # Check if mod is valid for ruleset
diff --git a/app/models/score.py b/app/models/score.py
index 26a67f1..b319703 100644
--- a/app/models/score.py
+++ b/app/models/score.py
@@ -5,7 +5,7 @@ from typing import TYPE_CHECKING, Literal, TypedDict, cast
 
 from app.config import settings
 
-from .mods import API_MODS, APIMod, init_mods
+from .mods import API_MODS, APIMod
 
 from pydantic import BaseModel, Field, ValidationInfo, field_validator
 
@@ -193,8 +193,6 @@ class SoloScoreSubmissionInfo(BaseModel):
     @field_validator("mods", mode="after")
     @classmethod
     def validate_mods(cls, mods: list[APIMod], info: ValidationInfo):
-        if not API_MODS:
-            init_mods()
         incompatible_mods = set()
         # check incompatible mods
         for mod in mods:
diff --git a/tools/add_daily_challenge.py b/tools/add_daily_challenge.py
new file mode 100644
index 0000000..6ae1761
--- /dev/null
+++ b/tools/add_daily_challenge.py
@@ -0,0 +1,95 @@
+from __future__ import annotations
+
+import datetime
+import json
+import os
+import re
+import sys
+
+sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
+
+from app.database import Beatmap
+from app.dependencies.database import get_redis, with_db
+from app.dependencies.fetcher import get_fetcher
+from app.log import logger
+from app.models.mods import APIMod, get_available_mods
+from app.models.score import GameMode
+
+logger.remove()
+
+
+def mod_inp(name: str, default: list[APIMod]) -> list[APIMod]:
+    mods_inp = input(f"Enter {name} mods (JSON APIMod Array) >>> ")
+    while True:
+        if mods_inp.strip() == "":
+            mods = default
+            break
+        try:
+            mods = json.loads(mods_inp)
+        except json.JSONDecodeError:
+            mods_inp = input(f"Invalid input. Enter {name} mods (JSON APIMod) >>> ")
+            continue
+        if not isinstance(mods, list):
+            mods_inp = input(f"Invalid input. Enter {name} mods (JSON APIMod) >>> ")
+            continue
+        break
+    return mods
+
+
+async def main():
+    async with with_db() as session:
+        redis = get_redis()
+        fetcher = await get_fetcher()
+
+        today = datetime.date.today()
+        input_date = input(f"Enter a date ({today}) >>> ")
+        while True:
+            if not input_date:
+                input_date = str(today)
+            elif not re.match(r"^\d{4}-\d{2}-\d{2}$", input_date):
+                input_date = input(f"Invalid date format. Enter a date ({today}) >>> ")
+                continue
+            break
+
+        beatmap_inp = input("Enter a beatmap ID >>> ")
+        while True:
+            if beatmap_inp.isdigit():
+                beatmap_id = int(beatmap_inp)
+                break
+            beatmap_inp = input("Invalid input. Enter a beatmap ID >>> ")
+        beatmap = await Beatmap.get_or_fetch(session, fetcher, beatmap_id)
+        ruleset_inp = input(f"Enter ruleset ID ({int(beatmap.mode)}) >>> ")
+        while True:
+            if not ruleset_inp:
+                ruleset_inp = str(int(beatmap.mode))
+            elif not ruleset_inp.isdigit():
+                ruleset_inp = input(
+                    f"Invalid input. Enter ruleset ID ({int(beatmap.mode)}) >>> "
+                )
+                continue
+            ruleset_id = int(ruleset_inp)
+            if beatmap.mode != GameMode.OSU and ruleset_id != int(beatmap.mode):
+                ruleset_inp = input(
+                    f"Invalid input. Enter ruleset ID ({int(beatmap.mode)}) >>> "
+                )
+                continue
+            break
+
+        required_mods = mod_inp("required", [])
+        allowed_mods = mod_inp("allowed", get_available_mods(ruleset_id, required_mods))
+
+        await redis.hset(  # pyright: ignore[reportGeneralTypeIssues]
+            f"daily_challenge:{input_date}",
+            mapping={
+                "beatmap": beatmap.id,
+                "ruleset_id": ruleset_id,
+                "required_mods": json.dumps(required_mods),
+                "allowed_mods": json.dumps(allowed_mods),
+            },
+        )
+
+
+if __name__ == "__main__":
+    import asyncio
+
+    asyncio.run(main())