diff --git a/README.md b/README.md
index 1cc120f..53bffeb 100644
--- a/README.md
+++ b/README.md
@@ -185,11 +185,13 @@ when you need different settings for each participant.
 age, body/body phrase, skin, hair, eyes, figure, and subject type. To save a
 Woman Slot, connect `Woman Slot.character_slot` to
 `Character Profile Save.character_slot`, set `source=character_slot`, enter a
-name, then click `Save Profile Now`. It only writes a file when the button is
-clicked; otherwise it just outputs profile JSON for direct wiring. Saved files
-are written under `profiles/<profile_name>.json`; saved profile files are
-ignored by git. The button is backed by the hidden `save_now` trigger and queues
-the workflow once.
+name, run the workflow once so the save node caches that exact profile, then
+click `Save Profile Now`. The button writes the cached profile directly and does
+not queue or regenerate the workflow, so it saves the character you just liked.
+Otherwise the node just outputs profile JSON for direct wiring. Saved files are
+written under `profiles/<profile_name>.json`; saved profile files are ignored by
+git. The hidden `save_now` trigger remains for legacy/API use, but the visible
+button does not use it.
 
 `SxCP Character Profile Load` has an `enabled` switch. When disabled, it returns
 an empty profile so connected prompt builders ignore it. When enabled, it loads
diff --git a/__init__.py b/__init__.py
index d2f5c4e..e117286 100644
--- a/__init__.py
+++ b/__init__.py
@@ -3,6 +3,13 @@ from __future__ import annotations
 import json
 import random
 
+try:
+    from aiohttp import web
+    from server import PromptServer
+except Exception:
+    web = None
+    PromptServer = None
+
 try:
     from .loop_nodes import ANY_TYPE, LOOP_NODE_CLASS_MAPPINGS, LOOP_NODE_DISPLAY_NAME_MAPPINGS
     from .prompt_builder import (
@@ -49,6 +56,7 @@ try:
         generation_profile_choices,
         hardcore_detail_density_choices,
         load_character_profile_json,
+        save_character_profile_payload,
         seed_mode_choices,
         subcategory_choices,
     )
@@ -100,6 +108,7 @@ except ImportError:
         generation_profile_choices,
         hardcore_detail_density_choices,
         load_character_profile_json,
+        save_character_profile_payload,
         seed_mode_choices,
         subcategory_choices,
     )
@@ -107,6 +116,20 @@ except ImportError:
     from krea_formatter import format_krea2_prompt
 
 
+if PromptServer is not None and web is not None:
+    @PromptServer.instance.routes.post("/sxcp/profile/save_cached")
+    async def sxcp_save_cached_profile(request):
+        try:
+            payload = await request.json()
+            result = save_character_profile_payload(
+                profile_name=str(payload.get("profile_name") or ""),
+                profile_json=payload.get("profile_json") or "",
+            )
+            return web.json_response(result)
+        except Exception as exc:
+            return web.json_response({"error": str(exc)}, status=400)
+
+
 class SxCPPromptBuilder:
     @classmethod
     def INPUT_TYPES(cls):
@@ -984,6 +1007,8 @@ class SxCPManSlot:
 
 
 class SxCPCharacterProfileSave:
+    OUTPUT_NODE = True
+
     @classmethod
     def INPUT_TYPES(cls):
         return {
@@ -1042,7 +1067,7 @@ class SxCPCharacterProfileSave:
             figure=figure,
             save_now=save_now,
         )
-        return (
+        result = (
             profile["profile_json"],
             profile["descriptor"],
             profile["profile_name"],
@@ -1050,6 +1075,16 @@ class SxCPCharacterProfileSave:
             profile["status"],
             profile["profile_json"],
         )
+        return {
+            "ui": {
+                "profile_json": [profile["profile_json"]],
+                "descriptor": [profile["descriptor"]],
+                "profile_name": [profile["profile_name"]],
+                "saved_path": [profile["saved_path"]],
+                "status": [profile["status"]],
+            },
+            "result": result,
+        }
 
 
 class SxCPCharacterProfileLoad:
diff --git a/prompt_builder.py b/prompt_builder.py
index 8d02fd4..2c9227c 100644
--- a/prompt_builder.py
+++ b/prompt_builder.py
@@ -3027,6 +3027,23 @@ def build_character_profile_json(
     }
 
 
+def save_character_profile_payload(profile_name: str = "", profile_json: str | dict[str, Any] | None = "") -> dict[str, str]:
+    raw_profile = _load_json_object(profile_json, "profile_json")
+    if not raw_profile:
+        raise ValueError("No cached character profile is available to save.")
+    profile = _normalize_character_profile(raw_profile, profile_name or str(raw_profile.get("profile_name") or ""))
+    PROFILE_DIR.mkdir(parents=True, exist_ok=True)
+    path = _profile_path(profile["profile_name"])
+    path.write_text(json.dumps(profile, ensure_ascii=True, indent=2, sort_keys=True) + "\n", encoding="utf-8")
+    return {
+        "profile_json": json.dumps(profile, ensure_ascii=True, sort_keys=True),
+        "profile_name": profile["profile_name"],
+        "descriptor": profile["descriptor"],
+        "saved_path": str(path),
+        "status": "saved",
+    }
+
+
 def _empty_profile_result(status: str = "empty") -> dict[str, str]:
     return {
         "profile_json": "",
diff --git a/web/profile_buttons.js b/web/profile_buttons.js
index f5ece80..e290c10 100644
--- a/web/profile_buttons.js
+++ b/web/profile_buttons.js
@@ -1,6 +1,8 @@
 import { app } from "../../scripts/app.js";
+import { api } from "../../scripts/api.js";
 
 const EXTENSION = "ethanfel.prompt_builder.profile_buttons";
+const profileCache = new Map();
 
 function widget(node, name) {
     return node.widgets?.find((w) => w.name === name);
@@ -20,6 +22,96 @@ function resizeNode(node) {
     app.graph?.setDirtyCanvas(true, true);
 }
 
+function nodeKey(nodeOrId) {
+    return String(typeof nodeOrId === "object" ? nodeOrId?.id : nodeOrId);
+}
+
+function isProfileSaveNode(node) {
+    return node?.comfyClass === "SxCPCharacterProfileSave" || node?.type === "SxCPCharacterProfileSave";
+}
+
+function isProfileLoadNode(node) {
+    return node?.comfyClass === "SxCPCharacterProfileLoad" || node?.type === "SxCPCharacterProfileLoad";
+}
+
+function firstOutput(output, key) {
+    const value = output?.[key];
+    return Array.isArray(value) ? value[0] : value || "";
+}
+
+function cacheStatus(cache) {
+    if (!cache?.profile_json) return "no cached profile";
+    const name = cache.profile_name || "unnamed";
+    const descriptor = cache.descriptor ? ` - ${cache.descriptor}` : "";
+    const text = `cached: ${name}${descriptor}`;
+    return text.length > 120 ? `${text.slice(0, 117)}...` : text;
+}
+
+function updateCacheWidget(node) {
+    const cache = profileCache.get(nodeKey(node)) || node._sxcpProfileCache;
+    if (node._sxcpCachedProfileWidget) node._sxcpCachedProfileWidget.value = cacheStatus(cache);
+    node.setDirtyCanvas?.(true, true);
+}
+
+function setProfileCache(node, cache) {
+    if (!node || !cache?.profile_json) return;
+    node._sxcpProfileCache = cache;
+    profileCache.set(nodeKey(node), cache);
+    updateCacheWidget(node);
+}
+
+function getNodeById(id) {
+    return app.graph?.getNodeById?.(Number(id)) || app.graph?._nodes_by_id?.[id] || app.graph?._nodes_by_id?.[Number(id)];
+}
+
+function addProfileChoice(profileName) {
+    if (!profileName) return;
+    for (const node of app.graph?._nodes || []) {
+        if (!isProfileLoadNode(node)) continue;
+        const profileWidget = widget(node, "profile_name");
+        const values = profileWidget?.options?.values;
+        if (Array.isArray(values) && !values.includes(profileName)) values.push(profileName);
+    }
+}
+
+async function saveCachedProfile(node) {
+    const cache = profileCache.get(nodeKey(node)) || node._sxcpProfileCache;
+    if (!cache?.profile_json) {
+        alert("No cached profile yet. Run the workflow once with this save node connected, then press Save Profile Now.");
+        return;
+    }
+    const profileName = (widget(node, "profile_name")?.value || cache.profile_name || "").trim();
+    if (!profileName) {
+        alert("Fill profile_name before saving.");
+        return;
+    }
+
+    try {
+        const response = await api.fetchApi("/sxcp/profile/save_cached", {
+            method: "POST",
+            headers: {"Content-Type": "application/json"},
+            body: JSON.stringify({
+                profile_name: profileName,
+                profile_json: cache.profile_json,
+            }),
+        });
+        const data = await response.json();
+        if (!response.ok) throw new Error(data?.error || response.statusText);
+        setProfileCache(node, {
+            profile_json: data.profile_json || cache.profile_json,
+            descriptor: data.descriptor || cache.descriptor || "",
+            profile_name: data.profile_name || profileName,
+            saved_path: data.saved_path || "",
+            status: data.status || "saved",
+        });
+        addProfileChoice(data.profile_name || profileName);
+        alert(`Saved profile "${data.profile_name || profileName}".`);
+    } catch (err) {
+        console.error(`[${EXTENSION}] save cached profile failed`, err);
+        alert(`Save failed: ${err}`);
+    }
+}
+
 async function queueOnce(node, triggerName) {
     const trigger = widget(node, triggerName);
     if (!trigger) {
@@ -46,9 +138,14 @@ async function queueOnce(node, triggerName) {
 
 function setupSaveNode(node) {
     hideWidget(widget(node, "save_now"));
-    if (!node._sxcpSaveButton) {
-        node._sxcpSaveButton = node.addWidget("button", "Save Profile Now", null, () => queueOnce(node, "save_now"));
+    if (!node._sxcpCachedProfileWidget) {
+        node._sxcpCachedProfileWidget = node.addWidget("text", "cached_profile", "no cached profile", () => {});
+        node._sxcpCachedProfileWidget.serialize = false;
     }
+    if (!node._sxcpSaveButton) {
+        node._sxcpSaveButton = node.addWidget("button", "Save Profile Now", null, () => saveCachedProfile(node));
+    }
+    updateCacheWidget(node);
     resizeNode(node);
 }
 
@@ -88,6 +185,23 @@ function setupLoadNode(node) {
 app.registerExtension({
     name: EXTENSION,
 
+    async setup() {
+        api.addEventListener("executed", ({detail}) => {
+            const node = getNodeById(detail?.node);
+            if (!isProfileSaveNode(node)) return;
+            const output = detail?.output || {};
+            const profileJson = firstOutput(output, "profile_json");
+            if (!profileJson) return;
+            setProfileCache(node, {
+                profile_json: profileJson,
+                descriptor: firstOutput(output, "descriptor"),
+                profile_name: firstOutput(output, "profile_name"),
+                saved_path: firstOutput(output, "saved_path"),
+                status: firstOutput(output, "status"),
+            });
+        });
+    },
+
     async beforeRegisterNodeDef(nodeType, nodeData) {
         if (nodeData.name !== "SxCPCharacterProfileSave" && nodeData.name !== "SxCPCharacterProfileLoad") return;