feat(mcp): update bigmind/mcp-image-gen/webscraper servers; add image-gen batch scripts
This commit is contained in:
Patrick Plate
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#!/usr/bin/env python3
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"""
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FLUX Image Generator — Desktop GUI
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Supports: FLUX.1 Schnell (fast) and FLUX.2 Klein Heretic (unrestricted)
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Run: python3 gui.py
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No external dependencies — stdlib + tkinter only.
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"""
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import json
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import random
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import threading
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import time
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import urllib.request
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from pathlib import Path
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import tkinter as tk
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from tkinter import ttk, scrolledtext, messagebox
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COMFYUI = "http://localhost:8188"
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OUTPUT_DIR = Path.home() / "Pictures" / "mcp-generated"
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WORKFLOWS_DIR = Path(__file__).parent / "src/workflows"
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# ── Model definitions ────────────────────────────────────────────────────────
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# Each entry defines how to patch the workflow for that model.
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# node_pos / node_neg: CLIPTextEncode node IDs for positive/negative prompts
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# node_latent: latent image node (for width/height)
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# node_seed: where to write the seed value
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# node_save: SaveImage node (for filename_prefix)
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# node_steps: dict of {node_id: field} for steps — None if not patchable
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MODELS = {
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"FLUX.2 Klein Heretic (unrestricted)": {
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"workflow": "flux2_klein_heretic.json",
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"default_steps": 20,
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"node_pos": ("2", "text"),
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"node_neg": ("3", "text"),
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"node_latent": ("6", "width", "height"),
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"node_seed": ("10", "noise_seed"),
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"node_steps": ("7", "steps"),
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"node_save": ("13", "filename_prefix"),
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"description": "FLUX.2 Klein 4B + Heretic abliterated encoder. ~50s/image. No refusals.",
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},
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"FLUX.1 Schnell (fast)": {
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"workflow": "flux_schnell.json",
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"default_steps": 4,
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"node_pos": ("6", "text"),
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"node_neg": ("33", "text"),
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"node_latent": ("27", "width", "height"),
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"node_seed": ("13", "seed"), # KSampler has seed directly
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"node_steps": ("13", "steps"),
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"node_save": ("9", "filename_prefix"),
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"description": "FLUX.1 Schnell — fast (~5s/image), standard quality. Has safety filter.",
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},
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}
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PRESETS = {
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"Square 1024": (1024, 1024),
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"Landscape 16:9": (1280, 720),
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"Portrait 9:16": (720, 1280),
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"Wide 3:2": (1536, 1024),
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"Tall 2:3": (1024, 1536),
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"BFL Wide 7:4": (1344, 768),
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"BFL Tall 4:7": (768, 1344),
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}
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def load_workflow(filename):
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with open(WORKFLOWS_DIR / filename) as f:
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return json.load(f)
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def patch_workflow(wf, spec, prompt, neg, width, height, steps, seed, name):
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"""Apply generation parameters to a workflow dict in-place."""
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node_pos_id, node_pos_field = spec["node_pos"]
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node_neg_id, node_neg_field = spec["node_neg"]
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lat_id, lat_w, lat_h = spec["node_latent"]
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seed_id, seed_field = spec["node_seed"]
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save_id, save_field = spec["node_save"]
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wf[node_pos_id]["inputs"][node_pos_field] = prompt
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wf[node_neg_id]["inputs"][node_neg_field] = neg
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wf[lat_id]["inputs"][lat_w] = width
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wf[lat_id]["inputs"][lat_h] = height
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wf[seed_id]["inputs"][seed_field] = seed
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wf[save_id]["inputs"][save_field] = name
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if spec["node_steps"]:
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steps_id, steps_field = spec["node_steps"]
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wf[steps_id]["inputs"][steps_field] = steps
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return wf
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def submit_prompt(workflow):
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data = json.dumps({"prompt": workflow}).encode()
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req = urllib.request.Request(
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f"{COMFYUI}/prompt", data=data,
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headers={"Content-Type": "application/json"},
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)
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with urllib.request.urlopen(req, timeout=30) as resp:
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return json.loads(resp.read())["prompt_id"]
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def wait_for_image(prompt_id, timeout=300):
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start = time.time()
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while time.time() - start < timeout:
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with urllib.request.urlopen(f"{COMFYUI}/history/{prompt_id}", timeout=10) as resp:
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history = json.loads(resp.read())
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if prompt_id in history:
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for node_out in history[prompt_id].get("outputs", {}).values():
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if "images" in node_out:
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return node_out["images"][0]
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return None
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time.sleep(2)
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raise TimeoutError("Timed out waiting for image")
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def download_image(filename, subfolder=""):
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url = f"{COMFYUI}/view?filename={filename}&subfolder={subfolder}&type=output"
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with urllib.request.urlopen(url, timeout=30) as resp:
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return resp.read()
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class App(tk.Tk):
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def __init__(self):
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super().__init__()
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self.title("FLUX Image Generator")
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self.resizable(True, True)
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self.minsize(760, 640)
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self._current_image = None
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self._build_ui()
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def _build_ui(self):
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main = ttk.Frame(self, padding=12)
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main.pack(fill="both", expand=True)
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main.columnconfigure(0, weight=1)
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main.columnconfigure(1, weight=2)
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# ── LEFT PANEL ───────────────────────────────────────────────────────
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left = ttk.Frame(main)
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left.grid(row=0, column=0, sticky="nsew", padx=(0, 8))
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left.columnconfigure(0, weight=1)
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row = 0
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# Model selector
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ttk.Label(left, text="Model", font=("", 10, "bold")).grid(
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row=row, column=0, sticky="w"); row += 1
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self.model_var = tk.StringVar(value=list(MODELS.keys())[0])
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model_cb = ttk.Combobox(left, textvariable=self.model_var,
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values=list(MODELS.keys()), state="readonly", width=40)
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model_cb.grid(row=row, column=0, sticky="ew", pady=(2, 2)); row += 1
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model_cb.bind("<<ComboboxSelected>>", self._on_model_change)
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self.model_desc = ttk.Label(left, text="", foreground="gray",
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wraplength=300, font=("", 8))
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self.model_desc.grid(row=row, column=0, sticky="w", pady=(0, 8)); row += 1
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# description updated after all widgets are created (see end of _build_ui)
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# Prompt
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ttk.Label(left, text="Prompt", font=("", 10, "bold")).grid(
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row=row, column=0, sticky="w"); row += 1
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self.prompt_txt = scrolledtext.ScrolledText(left, height=6, wrap="word", font=("", 10))
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self.prompt_txt.grid(row=row, column=0, sticky="ew", pady=(2, 8)); row += 1
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# Negative prompt
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ttk.Label(left, text="Negative Prompt (optional)").grid(
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row=row, column=0, sticky="w"); row += 1
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self.neg_txt = scrolledtext.ScrolledText(left, height=3, wrap="word", font=("", 9))
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self.neg_txt.grid(row=row, column=0, sticky="ew", pady=(2, 8)); row += 1
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# Size preset
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ttk.Label(left, text="Size Preset").grid(row=row, column=0, sticky="w"); row += 1
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self.preset_var = tk.StringVar(value="Square 1024")
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preset_cb = ttk.Combobox(left, textvariable=self.preset_var,
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values=list(PRESETS.keys()), state="readonly")
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preset_cb.grid(row=row, column=0, sticky="ew", pady=(2, 2)); row += 1
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preset_cb.bind("<<ComboboxSelected>>", self._apply_preset)
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# Width / Height
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wh = ttk.Frame(left)
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wh.grid(row=row, column=0, sticky="ew", pady=(4, 8)); row += 1
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wh.columnconfigure(1, weight=1)
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wh.columnconfigure(3, weight=1)
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ttk.Label(wh, text="W").grid(row=0, column=0, padx=(0, 4))
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self.width_var = tk.IntVar(value=1024)
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ttk.Spinbox(wh, from_=256, to=4096, increment=8, textvariable=self.width_var,
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width=6).grid(row=0, column=1, sticky="ew")
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ttk.Label(wh, text="H", padding=(8, 0, 4, 0)).grid(row=0, column=2)
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self.height_var = tk.IntVar(value=1024)
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ttk.Spinbox(wh, from_=256, to=4096, increment=8, textvariable=self.height_var,
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width=6).grid(row=0, column=3, sticky="ew")
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# Steps
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steps_row = ttk.Frame(left)
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steps_row.grid(row=row, column=0, sticky="ew", pady=(0, 4)); row += 1
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steps_row.columnconfigure(1, weight=1)
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ttk.Label(steps_row, text="Steps").grid(row=0, column=0, padx=(0, 8))
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self.steps_var = tk.IntVar(value=20)
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self.steps_lbl = ttk.Label(steps_row, text="20", width=3)
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self.steps_lbl.grid(row=0, column=2, padx=(6, 0))
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ttk.Scale(steps_row, from_=1, to=60, variable=self.steps_var,
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orient="horizontal",
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command=lambda v: self.steps_lbl.config(text=str(int(float(v))))
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).grid(row=0, column=1, sticky="ew")
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# Count
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count_row = ttk.Frame(left)
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count_row.grid(row=row, column=0, sticky="ew", pady=(0, 8)); row += 1
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count_row.columnconfigure(1, weight=1)
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ttk.Label(count_row, text="Count").grid(row=0, column=0, padx=(0, 8))
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self.count_var = tk.IntVar(value=1)
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ttk.Spinbox(count_row, from_=1, to=20, textvariable=self.count_var,
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width=4).grid(row=0, column=1, sticky="w")
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# Seed
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seed_row = ttk.Frame(left)
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seed_row.grid(row=row, column=0, sticky="ew", pady=(0, 8)); row += 1
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seed_row.columnconfigure(1, weight=1)
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ttk.Label(seed_row, text="Seed").grid(row=0, column=0, padx=(0, 8))
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self.seed_var = tk.StringVar(value="-1")
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ttk.Entry(seed_row, textvariable=self.seed_var, width=12).grid(row=0, column=1, sticky="w")
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ttk.Button(seed_row, text="🎲", width=3,
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command=lambda: self.seed_var.set(str(random.randint(0, 2**32 - 1)))
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).grid(row=0, column=2, padx=(4, 0))
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ttk.Label(seed_row, text="(-1 = random)", foreground="gray"
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).grid(row=0, column=3, padx=(4, 0))
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# Name
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name_row = ttk.Frame(left)
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name_row.grid(row=row, column=0, sticky="ew", pady=(0, 12)); row += 1
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name_row.columnconfigure(1, weight=1)
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ttk.Label(name_row, text="Name").grid(row=0, column=0, padx=(0, 8))
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self.name_var = tk.StringVar(value="img")
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ttk.Entry(name_row, textvariable=self.name_var).grid(row=0, column=1, sticky="ew")
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# Generate button
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self.gen_btn = ttk.Button(left, text="⚡ Generate", command=self._start_generation)
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self.gen_btn.grid(row=row, column=0, sticky="ew", pady=(0, 8)); row += 1
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# Status + progress
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self.status_var = tk.StringVar(value="Ready")
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ttk.Label(left, textvariable=self.status_var, foreground="gray",
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wraplength=300).grid(row=row, column=0, sticky="w"); row += 1
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self.progress = ttk.Progressbar(left, mode="indeterminate")
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self.progress.grid(row=row, column=0, sticky="ew", pady=(4, 0)); row += 1
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# ── RIGHT PANEL — preview ────────────────────────────────────────────
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right = ttk.LabelFrame(main, text="Preview", padding=8)
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right.grid(row=0, column=1, sticky="nsew")
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right.columnconfigure(0, weight=1)
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right.rowconfigure(0, weight=1)
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self.preview_lbl = ttk.Label(right, text="No image yet", anchor="center",
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background="#1a1a1a", foreground="#888")
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self.preview_lbl.grid(row=0, column=0, sticky="nsew")
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self.path_lbl = ttk.Label(right, text="", foreground="gray", font=("", 8))
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self.path_lbl.grid(row=1, column=0, sticky="w", pady=(4, 0))
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ttk.Button(right, text="Open folder",
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command=self._open_folder).grid(row=2, column=0, sticky="e", pady=(4, 0))
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# Init model description + steps default now that all widgets exist
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self._on_model_change()
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def _on_model_change(self, _=None):
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spec = MODELS[self.model_var.get()]
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self.model_desc.config(text=spec["description"])
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self.steps_var.set(spec["default_steps"])
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self.steps_lbl.config(text=str(spec["default_steps"]))
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def _apply_preset(self, _=None):
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w, h = PRESETS[self.preset_var.get()]
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self.width_var.set(w)
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self.height_var.set(h)
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def _start_generation(self):
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prompt = self.prompt_txt.get("1.0", "end").strip()
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if not prompt:
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messagebox.showwarning("No prompt", "Please enter a prompt.")
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return
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self.gen_btn.config(state="disabled")
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self.progress.start(10)
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self.status_var.set("Generating…")
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t = threading.Thread(target=self._run_generation, args=(prompt,), daemon=True)
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t.start()
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def _run_generation(self, prompt):
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try:
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neg = self.neg_txt.get("1.0", "end").strip()
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steps = int(self.steps_var.get())
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width = int(self.width_var.get())
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height = int(self.height_var.get())
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count = int(self.count_var.get())
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name = self.name_var.get().strip() or "img"
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seed_str = self.seed_var.get().strip()
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base_seed = int(seed_str) if seed_str else -1
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model_name = self.model_var.get()
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spec = MODELS[model_name]
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OUTPUT_DIR.mkdir(parents=True, exist_ok=True)
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for i in range(count):
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seed = (base_seed if base_seed == -1 else base_seed + i)
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if seed == -1:
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seed = random.randint(0, 2**32 - 1)
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label = f"{name}_{i+1:02d}" if count > 1 else name
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self.after(0, self.status_var.set,
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f"[{i+1}/{count}] {model_name.split('(')[0].strip()} · seed {seed}…")
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wf = load_workflow(spec["workflow"])
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patch_workflow(wf, spec, prompt, neg, width, height, steps, seed, label)
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prompt_id = submit_prompt(wf)
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img_info = wait_for_image(prompt_id)
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if img_info:
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img_data = download_image(img_info["filename"], img_info.get("subfolder", ""))
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out_path = OUTPUT_DIR / f"{label}_{seed}.png"
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out_path.write_bytes(img_data)
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self.after(0, self._show_preview, out_path)
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self.after(0, self.status_var.set,
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f"✅ Done — {count} image(s) saved to ~/Pictures/mcp-generated/")
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except Exception as exc:
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self.after(0, self.status_var.set, f"❌ Error: {exc}")
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finally:
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self.after(0, self.progress.stop)
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self.after(0, lambda: self.gen_btn.config(state="normal"))
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def _show_preview(self, path):
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try:
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photo = tk.PhotoImage(file=str(path))
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pw, ph = photo.width(), photo.height()
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subsample = 1
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while pw // subsample > 600 or ph // subsample > 600:
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subsample += 1
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if subsample > 1:
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photo = photo.subsample(subsample, subsample)
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self.preview_lbl.config(image=photo, text="")
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self._current_image = photo
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self.path_lbl.config(text=str(path))
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except Exception as e:
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self.status_var.set(f"Preview error: {e}")
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def _open_folder(self):
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import subprocess
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subprocess.Popen(["xdg-open", str(OUTPUT_DIR)])
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if __name__ == "__main__":
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app = App()
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app.mainloop()
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