diff --git a/.github/.spellcheck.yml b/.github/.spellcheck.yml
new file mode 100644
index 00000000..e64eb508
--- /dev/null
+++ b/.github/.spellcheck.yml
@@ -0,0 +1,69 @@
+matrix:
+- name: Markdown
+  sources:
+  - 'README.md'
+  - 'docs/**/*.md'
+  - 'scripts/README*.md'
+  aspell:
+    lang: en
+  dictionary:
+    wordlists:
+    - .github/.wordlist.txt
+    encoding: utf-8
+  pipeline:
+  - pyspelling.filters.markdown:
+      markdown_extensions:
+      - pymdownx.superfences:
+  - pyspelling.filters.html:
+      comments: false
+      ignores:
+      - code
+      - pre
+
+- name: Index JSON Files
+  sources:
+  - 'templates/index.json'
+  aspell:
+    lang: en
+  dictionary:
+    wordlists:
+    - .github/.wordlist.txt
+    encoding: utf-8
+  pipeline:
+  - pyspelling.filters.context:
+      context_visible_first: true
+      delimiters:
+      # Extract only "title" field values
+      - open: '"title":\s*"'
+        close: '"'
+      # Extract only "description" field values
+      - open: '"description":\s*"'
+        close: '"'
+
+- name: Workflow JSON Files
+  sources:
+  - 'templates/*.json'
+  - '!templates/index*.json'
+  aspell:
+    lang: en
+  dictionary:
+    wordlists:
+    - .github/.wordlist.txt
+    encoding: utf-8
+  pipeline:
+  - pyspelling.filters.context:
+      context_visible_first: true
+      delimiters:
+      # Only extract content inside widgets_values arrays for MarkdownNote/Note nodes
+      # This matches: "type": "MarkdownNote" (or Note), followed by "widgets_values": ["content here"]
+      - open: '(?s)"type":\s*"(?:MarkdownNote|Note)"(?:[^{]|{(?:[^{}]|{[^{}]*})*})*?"widgets_values":\s*\[\s*"'
+        close: '"\s*(?:,|\])'
+  - pyspelling.filters.markdown:
+      markdown_extensions:
+      - pymdownx.superfences:
+  - pyspelling.filters.html:
+      comments: false
+      ignores:
+      - code
+      - pre
+
diff --git a/.github/.wordlist.txt b/.github/.wordlist.txt
new file mode 100644
index 00000000..21ebb76e
--- /dev/null
+++ b/.github/.wordlist.txt
@@ -0,0 +1,210 @@
+# Custom dictionary for ComfyUI workflow templates
+ComfyUI
+ComfyUI's
+Comfy
+comfyui
+comfyanonymous
+webp
+WEBP
+png
+jpeg
+jpg
+MP4
+mp4
+mp3
+workflow
+workflows
+VAE
+vae
+UNETLoader
+CLIPLoader
+VAELoader
+SaveWEBM
+hugginface
+huggingface
+embeddings
+UNET
+safetensors
+repackaged
+fp8
+bf16
+xxl
+thumbnails
+Wan
+ltxv
+cnr
+diffusion
+PyPi
+pyproject
+toml
+PySpelling
+Zod
+e4m3fn
+t2v
+s2v
+i2v
+t2i
+i2i
+modelFile
+Github
+Pinia
+composables
+Vitest
+Playwright
+eslint
+prettier
+EzGif
+ezgif
+gif
+markdown
+Markdownlint
+nodejs
+npm
+pnpm
+repo
+utils
+changelog
+encoders
+diffusers
+configs
+metadata
+SHA256
+bytedance
+seedream4
+flf2v
+bfl
+kontext
+vercel
+Qwen
+qwen
+subgraphed
+moduleName
+mediaType
+mediaSubtype
+tutorialUrl
+thumbnailVariant
+hoverDissolve
+hoverZoom
+compareSlider
+isEssential
+LoRA
+lora
+inpaint
+inpainting
+upscaling
+upscale
+ControlNet
+controlnet
+SDXL
+sdxl
+Flux
+flux
+Hunyuan3D
+hunyuan
+ACE
+upscaler
+detailer
+img2img
+latents
+IPAdapter
+AnimateDiff
+AnimateLCM
+LCM
+LTX
+LTXV
+CogVideo
+CogVideoX
+GGUF
+gguf
+fp16
+SD1
+SD3
+SD3.5
+Latte
+Mochi
+Mamba
+SORA
+StyleGan
+StyleGAN
+VideoLLM
+controlnets
+DepthMap
+depthmap
+Canny
+OpenPose
+ComfyOrg
+Comfy-Org
+Safetensor
+PyTorch
+pytorch
+cuda
+CUDA
+VRAM
+vram
+GPU
+cpu
+checkpoints
+OSS
+API
+api
+JSON
+json
+UI
+mediafiles
+videogen
+imagegen
+audiogen
+quantized
+quantization
+MarkdownNote
+civitai
+majicmixRealistic
+japaneseStyleRealistic
+openpose
+mse
+ema
+pruned
+stabilityai
+fp
+v11p
+v7
+v20
+sd15
+vae-ft-mse
+safetensor
+workflows
+href
+url
+github
+README
+readme
+workaround
+KeepIntermediate
+LANs
+LoadImage
+MetadataImage
+SaveVideo
+ViduImageToVideoNode
+bgcolor
+config
+df
+ds
+eb
+frontendVersion
+latentpreview
+latentpreviewrate
+nTo
+pos
+ue
+unconnectable
+ver
+vidu
+viduq
+ImageToVideo
+VideoNode
+metadata
+frontend
+backend
+latent
+unconnected
+
diff --git a/.github/extract_workflow_text.py b/.github/extract_workflow_text.py
new file mode 100644
index 00000000..08f96610
--- /dev/null
+++ b/.github/extract_workflow_text.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+"""
+Custom filter for PySpelling to extract text content from workflow JSON files.
+Only extracts widgets_values from MarkdownNote and Note type nodes.
+"""
+import json
+import sys
+
+def extract_text_from_workflow(content):
+    """Extract text from widgets_values in MarkdownNote and Note nodes."""
+    try:
+        data = json.loads(content)
+        
+        # Handle different JSON structures
+        nodes = []
+        if isinstance(data, dict):
+            # Check if it's a workflow with nodes
+            if 'nodes' in data:
+                nodes = data['nodes']
+            elif 'workflow' in data and 'nodes' in data['workflow']:
+                nodes = data['workflow']['nodes']
+        elif isinstance(data, list):
+            nodes = data
+        
+        extracted_text = []
+        
+        for node in nodes:
+            if not isinstance(node, dict):
+                continue
+                
+            node_type = node.get('type', '')
+            
+            # Only process MarkdownNote and Note nodes
+            if node_type in ['MarkdownNote', 'Note']:
+                widgets_values = node.get('widgets_values', [])
+                
+                # Extract text from widgets_values
+                for value in widgets_values:
+                    if isinstance(value, str) and value.strip():
+                        extracted_text.append(value)
+        
+        return '\n\n---SPELLCHECK_SEPARATOR---\n\n'.join(extracted_text) if extracted_text else ''
+    
+    except json.JSONDecodeError:
+        return ''
+    except Exception as e:
+        # Silent error - return empty string
+        return ''
+
+
+if __name__ == '__main__':
+    content = sys.stdin.read()
+    result = extract_text_from_workflow(content)
+    sys.stdout.write(result)
+
diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
new file mode 100644
index 00000000..8abe0823
--- /dev/null
+++ b/.github/workflows/spellcheck.yml
@@ -0,0 +1,30 @@
+name: Spellcheck
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+    paths:
+      - '**/*.md'
+      - '**/*.json'
+      - 'docs/**'
+      - 'templates/**'
+      - '.github/.spellcheck.yml'
+      - '.github/.wordlist.txt'
+      - '.github/workflows/spellcheck.yml'
+
+jobs:
+  spellcheck:
+    name: Spellcheck
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+    
+    - name: Run spellcheck
+      uses: rojopolis/spellcheck-github-actions@0.53.0
+      with:
+        config_path: .github/.spellcheck.yml
+