diff --git a/readme.md b/readme.md
index 9a51e51..ee1499e 100644
--- a/readme.md
+++ b/readme.md
@@ -60,4 +60,11 @@
 - 서버 메모리 크기는 `ansible/roles/fabric_server/defaults/main.yml`의 `server_xms`, `server_xmx` 변수로 조정할 수 있습니다.
 - 자세한 과정은 [Notion 문서](https://www.notion.so/MC-2241afe72e6980da8b2ac86e0bcf270e)를 참고하실 수 있습니다.
 
+### Mods 관리 GUI
+`scripts/mod_manager.py`를 실행하면 간단한 창이 열리며 Modrinth에서 모드를 검색하여 목록에 추가하거나 삭제할 수 있습니다. 실행 예시는 다음과 같습니다.
+```bash
+python3 scripts/mod_manager.py
+```
+새 모드를 추가할 때는 슬러그를 입력하면 현재 Minecraft 버전에 맞는 최신 파일을 자동으로 다운로드해 `ansible/vars/mods.yml`에 등록합니다.
+
 
diff --git a/scripts/mod_manager.py b/scripts/mod_manager.py
new file mode 100644
index 0000000..6ffe252
--- /dev/null
+++ b/scripts/mod_manager.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python3
+"""Simple GUI to manage Minecraft mods list using Modrinth API."""
+
+from __future__ import annotations
+
+import hashlib
+import os
+import tkinter as tk
+from tkinter import messagebox, simpledialog
+from typing import Dict
+
+import requests
+import yaml
+
+# File paths relative to this script
+REPO_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+MODS_FILE = os.path.join(REPO_ROOT, "ansible", "vars", "mods.yml")
+VERSIONS_FILE = os.path.join(REPO_ROOT, "ansible", "vars", "versions.yml")
+
+
+def load_yaml(path: str) -> Dict:
+    with open(path, "r", encoding="utf-8") as f:
+        return yaml.safe_load(f) or {}
+
+
+def save_yaml(path: str, data: Dict) -> None:
+    with open(path, "w", encoding="utf-8") as f:
+        yaml.safe_dump(data, f, allow_unicode=True, sort_keys=False)
+
+
+def get_mc_version() -> str:
+    versions = load_yaml(VERSIONS_FILE)
+    return versions.get("afabric_mc_version", "")
+
+
+def fetch_modrinth_latest(slug: str, mc_version: str) -> Dict[str, str]:
+    params = {
+        "loaders": ["fabric"],
+        "game_versions": [mc_version],
+        "limit": 1,
+    }
+    resp = requests.get(
+        f"https://api.modrinth.com/v2/project/{slug}/version",
+        params=params,
+        timeout=10,
+    )
+    resp.raise_for_status()
+    versions = resp.json()
+    if not versions:
+        raise RuntimeError("No compatible version found")
+    file_info = versions[0]["files"][0]
+    url = file_info["url"]
+    filename = file_info["filename"]
+    data = requests.get(url, timeout=10).content
+    checksum = hashlib.sha256(data).hexdigest()
+    return {"name": filename, "url": url, "checksum": f"sha256:{checksum}"}
+
+
+def refresh_list(listbox: tk.Listbox, mods: Dict) -> None:
+    listbox.delete(0, tk.END)
+    for mod in mods.get("fabric_mods", []):
+        listbox.insert(tk.END, mod["name"])
+
+
+def add_mod(root: tk.Tk, listbox: tk.Listbox, mods: Dict) -> None:
+    slug = simpledialog.askstring(
+        "Add Mod",
+        "Modrinth slug or project ID:",
+        parent=root,
+    )
+    if not slug:
+        return
+    try:
+        mc_ver = get_mc_version()
+        entry = fetch_modrinth_latest(slug, mc_ver)
+    except Exception as exc:  # noqa: BLE001
+        messagebox.showerror("Error", str(exc), parent=root)
+        return
+    mods.setdefault("fabric_mods", []).append(entry)
+    save_yaml(MODS_FILE, mods)
+    refresh_list(listbox, mods)
+
+
+def remove_mod(root: tk.Tk, listbox: tk.Listbox, mods: Dict) -> None:
+    sel = listbox.curselection()
+    if not sel:
+        return
+    idx = sel[0]
+    confirm = messagebox.askyesno(
+        "Remove",
+        f"Delete {mods['fabric_mods'][idx]['name']}?",
+        parent=root,
+    )
+    if confirm:
+        mods["fabric_mods"].pop(idx)
+        save_yaml(MODS_FILE, mods)
+        refresh_list(listbox, mods)
+
+
+def main() -> None:
+    mods = load_yaml(MODS_FILE)
+    root = tk.Tk()
+    root.title("Minecraft Mod Manager")
+    listbox = tk.Listbox(root, width=80)
+    listbox.pack(fill=tk.BOTH, expand=True)
+    refresh_list(listbox, mods)
+
+    btn_frame = tk.Frame(root)
+    btn_frame.pack(fill=tk.X)
+    tk.Button(
+        btn_frame,
+        text="Add",
+        command=lambda: add_mod(root, listbox, mods),
+    ).pack(side=tk.LEFT)
+    tk.Button(
+        btn_frame,
+        text="Remove",
+        command=lambda: remove_mod(root, listbox, mods),
+    ).pack(side=tk.LEFT)
+
+    root.mainloop()
+
+
+if __name__ == "__main__":
+    main()