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a-und-b-ComfyUI_Simple_Ollama/example_workflows/example.json
T
Holger Will 85203cc26d docs: add example workflow and preview image 
Adds a sample graph users can load to see how the custom nodes connect to core nodes and an embedded canvas preview for discovery.

Made-with: Cursor
2026-04-12 08:33:44 +02:00

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{
"id": "7e411212-0e3b-4f06-86f6-044d2c5cc028",
"revision": 0,
"last_node_id": 42,
"last_link_id": 55,
"nodes": [
{
"id": 29,
"type": "LoadImage",
"pos": [
2200,
450
],
"size": [
300,
375
],
"flags": {},
"order": 0,
"mode": 0,
"inputs": [],
"outputs": [
{
"name": "IMAGE",
"type": "IMAGE",
"links": [
34
]
},
{
"name": "MASK",
"type": "MASK",
"links": null
}
],
"properties": {
"cnr_id": "comfy-core",
"ver": "0.18.1",
"Node name for S&R": "LoadImage"
},
"widgets_values": [
"fox.png",
"image"
]
},
{
"id": 24,
"type": "SimpleOllamaConnectionNode",
"pos": [
2600,
475
],
"size": [
400,
100
],
"flags": {},
"order": 1,
"mode": 0,
"inputs": [],
"outputs": [
{
"name": "ollama_url",
"type": "STRING",
"links": [
27,
42
]
}
],
"properties": {
"cnr_id": "comfyui-simple-ollama",
"ver": "ce6ee6b98f94d466e91f387fbd44b95ae28dd777",
"Node name for S&R": "SimpleOllamaConnectionNode"
},
"widgets_values": [
"http://localhost:1337",
null
],
"color": "#233",
"bgcolor": "#355"
},
{
"id": 37,
"type": "PreviewAny",
"pos": [
4600,
625
],
"size": [
400,
625
],
"flags": {},
"order": 13,
"mode": 0,
"inputs": [
{
"name": "source",
"type": "*",
"link": 44
}
],
"outputs": [],
"title": "response preview",
"properties": {
"cnr_id": "comfy-core",
"ver": "0.18.1",
"Node name for S&R": "PreviewAny"
},
"widgets_values": [
null,
null,
null
]
},
{
"id": 36,
"type": "Reroute",
"pos": [
3925,
475
],
"size": [
75,
26
],
"flags": {},
"order": 3,
"mode": 0,
"inputs": [
{
"name": "",
"type": "*",
"link": 42
}
],
"outputs": [
{
"name": "",
"type": "STRING",
"links": [
43
]
}
],
"properties": {
"showOutputText": false,
"horizontal": false
}
},
{
"id": 33,
"type": "Reroute",
"pos": [
3100,
525
],
"size": [
75,
26
],
"flags": {},
"order": 8,
"mode": 0,
"inputs": [
{
"name": "",
"type": "*",
"widget": {
"name": "value"
},
"link": 38
}
],
"outputs": [
{
"name": "",
"type": "STRING",
"links": [
55
]
}
],
"properties": {
"showOutputText": false,
"horizontal": false
}
},
{
"id": 23,
"type": "SimpleOllamaNode",
"pos": [
2600,
625
],
"size": [
400,
625
],
"flags": {},
"order": 5,
"mode": 0,
"inputs": [
{
"name": "ollama_url_override",
"shape": 7,
"type": "STRING",
"link": 27
},
{
"name": "image",
"shape": 7,
"type": "IMAGE",
"link": 36
}
],
"outputs": [
{
"name": "response",
"type": "STRING",
"links": [
31,
38
]
},
{
"name": "thinking",
"type": "STRING",
"links": [
32
]
},
{
"name": "prompt_text",
"type": "STRING",
"links": []
}
],
"properties": {
"cnr_id": "comfyui-simple-ollama",
"ver": "ce6ee6b98f94d466e91f387fbd44b95ae28dd777",
"Node name for S&R": "SimpleOllamaNode"
},
"widgets_values": [
"http://localhost:1337",
"huihui_ai/gemma-4-abliterated:e2b",
null,
null,
"Make the fox chase the owl. Keep the style.",
42,
"fixed",
1024,
0.7,
5,
true,
"You are an expert prompt engineer for Google's Nano Banana image model. Create a single, detailed text‑to‑image prompt that seamlessly combines two subjects or concepts into one unified scene, not a collage. Use this structure and fill it with specific, visual details:\n\nFusion concept: Clearly describe how Subject A and Subject B are merged or interact as one coherent idea or object.\n\nSubject & details: Physical appearance, key attributes from both subjects, and how they visually blend.\n\nAction: What is happening in the scene.\n\nSetting & environment: Place, time of day, background elements that support the fusion.\n\nComposition & camera: Shot type (close‑up, medium, wide), angle (eye‑level, low, high), lens feel (e.g., 35mm, 85mm), aspect ratio if important.\n\nLighting & mood: Type of light, color temperature, atmosphere, emotional tone.\n\nStyle & quality: Photo/3D/illustration/anime, level of realism, level of detail, any style references.\n\nConstraints (optional): What to avoid (e.g., “no text”, “no extra characters”).\nOutput only the final Nano Banana prompt text, no explanations.\nInsert the two user‑provided concepts wherever appropriate as [SUBJECT A] and [SUBJECT B], and make sure the result reads like a natural prompt without brackets. Aim for 3–6 descriptive sentences, not a keyword list.\n\n"
],
"color": "#233",
"bgcolor": "#355"
},
{
"id": 32,
"type": "ImageBatch",
"pos": [
2350,
400
],
"size": [
200,
75
],
"flags": {
"collapsed": true
},
"order": 4,
"mode": 0,
"inputs": [
{
"name": "image1",
"type": "IMAGE",
"link": 34
},
{
"name": "image2",
"type": "IMAGE",
"link": 35
}
],
"outputs": [
{
"name": "IMAGE",
"type": "IMAGE",
"links": [
36,
54
]
}
],
"properties": {
"cnr_id": "comfy-core",
"ver": "0.3.52",
"Node name for S&R": "ImageBatch",
"ue_properties": {
"widget_ue_connectable": {},
"version": "7.1",
"input_ue_unconnectable": {}
}
},
"widgets_values": []
},
{
"id": 30,
"type": "LoadImage",
"pos": [
2200,
875
],
"size": [
300,
375
],
"flags": {},
"order": 2,
"mode": 0,
"inputs": [],
"outputs": [
{
"name": "IMAGE",
"type": "IMAGE",
"links": [
35
]
},
{
"name": "MASK",
"type": "MASK",
"links": null
}
],
"properties": {
"cnr_id": "comfy-core",
"ver": "0.18.1",
"Node name for S&R": "LoadImage"
},
"widgets_values": [
"owl.png",
"image"
]
},
{
"id": 38,
"type": "SaveImage",
"pos": [
3600,
625
],
"size": [
400,
625
],
"flags": {},
"order": 11,
"mode": 0,
"inputs": [
{
"name": "images",
"type": "IMAGE",
"link": 45
}
],
"outputs": [],
"properties": {
"cnr_id": "comfy-core",
"ver": "0.18.5"
},
"widgets_values": [
"ComfyUI"
]
},
{
"id": 25,
"type": "SimpleOllamaNode",
"pos": [
4100,
625
],
"size": [
400,
625
],
"flags": {},
"order": 12,
"mode": 0,
"inputs": [
{
"name": "ollama_url_override",
"shape": 7,
"type": "STRING",
"link": 43
},
{
"name": "image",
"shape": 7,
"type": "IMAGE",
"link": 53
}
],
"outputs": [
{
"name": "response",
"type": "STRING",
"links": [
44
]
},
{
"name": "thinking",
"type": "STRING",
"links": null
},
{
"name": "prompt_text",
"type": "STRING",
"links": null
}
],
"properties": {
"cnr_id": "comfyui-simple-ollama",
"ver": "ce6ee6b98f94d466e91f387fbd44b95ae28dd777",
"Node name for S&R": "SimpleOllamaNode"
},
"widgets_values": [
"http://localhost:1337",
"huihui_ai/gemma-4-abliterated:e2b",
null,
null,
"Look at the image and write a poem about it.",
42,
"fixed",
1024,
0.7,
5,
true,
""
],
"color": "#233",
"bgcolor": "#355"
},
{
"id": 22,
"type": "GeminiImage2Node",
"pos": [
3700,
550
],
"size": [
400,
625
],
"flags": {
"collapsed": true
},
"order": 10,
"mode": 0,
"inputs": [
{
"name": "images",
"shape": 7,
"type": "IMAGE",
"link": 51
},
{
"name": "files",
"shape": 7,
"type": "GEMINI_INPUT_FILES",
"link": null
},
{
"name": "prompt",
"type": "STRING",
"widget": {
"name": "prompt"
},
"link": 55
}
],
"outputs": [
{
"name": "IMAGE",
"type": "IMAGE",
"links": [
45,
53
]
},
{
"name": "STRING",
"type": "STRING",
"links": null
}
],
"properties": {
"cnr_id": "comfy-core",
"ver": "0.5.1",
"Node name for S&R": "GeminiImage2Node"
},
"widgets_values": [
"",
"Nano Banana 2 (Gemini 3.1 Flash Image)",
42,
"fixed",
"9:16",
"1K",
"IMAGE+TEXT",
"You are an expert image-generation engine. You must ALWAYS produce an image.\nInterpret all user input—regardless of format, intent, or abstraction—as literal visual directives for image composition.\nIf a prompt is conversational or lacks specific visual details, you must creatively invent a concrete visual scenario that depicts the concept.\nPrioritize generating the visual representation above any text, formatting, or conversational requests."
],
"color": "#432",
"bgcolor": "#653"
},
{
"id": 42,
"type": "Reroute",
"pos": [
3525,
375
],
"size": [
75,
26
],
"flags": {},
"order": 6,
"mode": 0,
"inputs": [
{
"name": "",
"type": "*",
"link": 54
}
],
"outputs": [
{
"name": "",
"type": "IMAGE",
"links": [
51
]
}
],
"properties": {
"showOutputText": false,
"horizontal": false
}
},
{
"id": 26,
"type": "PreviewAny",
"pos": [
3100,
625
],
"size": [
400,
200
],
"flags": {},
"order": 7,
"mode": 0,
"inputs": [
{
"name": "source",
"type": "*",
"link": 31
}
],
"outputs": [],
"title": "response preview",
"properties": {
"cnr_id": "comfy-core",
"ver": "0.18.1",
"Node name for S&R": "PreviewAny"
},
"widgets_values": [
null,
null,
null
],
"shape": 1
},
{
"id": 27,
"type": "PreviewAny",
"pos": [
3100,
875
],
"size": [
400,
375
],
"flags": {},
"order": 9,
"mode": 0,
"inputs": [
{
"name": "source",
"type": "*",
"link": 32
}
],
"outputs": [],
"title": "thinking preview",
"properties": {
"cnr_id": "comfy-core",
"ver": "0.18.1",
"Node name for S&R": "PreviewAny"
},
"widgets_values": [
null,
null,
null
],
"shape": 1
}
],
"links": [
[
27,
24,
0,
23,
0,
"STRING"
],
[
31,
23,
0,
26,
0,
"STRING"
],
[
32,
23,
1,
27,
0,
"STRING"
],
[
34,
29,
0,
32,
0,
"IMAGE"
],
[
35,
30,
0,
32,
1,
"IMAGE"
],
[
36,
32,
0,
23,
1,
"IMAGE"
],
[
38,
23,
0,
33,
0,
"STRING"
],
[
42,
24,
0,
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0,
"STRING"
],
[
43,
36,
0,
25,
0,
"STRING"
],
[
44,
25,
0,
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0,
"STRING"
],
[
45,
22,
0,
38,
0,
"IMAGE"
],
[
51,
42,
0,
22,
0,
"IMAGE"
],
[
53,
22,
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1,
"IMAGE"
],
[
54,
32,
0,
42,
0,
"IMAGE"
],
[
55,
33,
0,
22,
2,
"STRING"
]
],
"groups": [],
"config": {},
"extra": {
"ds": {
"scale": 0.886261093448746,
"offset": [
-1666.7056006411558,
-0.12143723234395665
]
},
"frontendVersion": "1.41.21",
"VHS_latentpreview": false,
"VHS_latentpreviewrate": 0,
"VHS_MetadataImage": true,
"VHS_KeepIntermediate": true,
"workflowRendererVersion": "LG"
},
"version": 0.4
}
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