ComfyUI Bridge

---

name: comfyui-bridge

description: "Generate images, faceswap, edit photos, animate expressions, and do style transfer via a self-hosted ComfyUI instance on your LAN. Your GPU, your models."

homepage: https://github.com/Bortlesboat/comfyui-bridge

metadata:

{

"openclaw":

{

"emoji": "🎨",

"requires": { "bins": ["uv"] },

"install":

[

{

"id": "uv-brew",

"kind": "brew",

"formula": "uv",

"bins": ["uv"],

"label": "Install uv (brew)",

},

],

},

}

---

# ComfyUI Bridge

Generate images, faceswap, animate expressions, and do style transfer via a self-hosted [ComfyUI](https://github.com/comfyanonymous/ComfyUI) instance running on your LAN. No cloud API — your GPU, your models.

Requirements

Setup

1. Install the bridge server (on your ComfyUI machine)

The bridge is a lightweight FastAPI server that wraps ComfyUI's API:

git clone https://github.com/Bortlesboat/comfyui-bridge
cd comfyui-bridge
pip install -r requirements.txt
python bridge_server.py
# Listening on http://0.0.0.0:8100

2. Configure the skill

Set the bridge URL as an environment variable on your OpenClaw machine:

export COMFYUI_BRIDGE_URL=http://YOUR_COMFYUI_MACHINE_IP:8100

Or add it to your LaunchAgent/systemd service environment.

3. Required ComfyUI custom nodes (for all features)

Install via ComfyUI Manager:

4. Recommended models

| Model | Use |

|---|---|

| Juggernaut XL Ragnarok | Architecture, objects, general |

| RealVisXL V5.0 Lightning | People, portraits, fast |

| FLUX.1 Dev Q5 GGUF | Maximum photorealism (slow, VRAM-heavy) |

---

Usage

All commands use the `comfyui_generate.py` script via `uv run`. Replace `SKILL_SCRIPTS` with the path to this skill's `scripts/` directory.

**Always use `--no-media`** — include one `MEDIA: /full/path/to/output.png` in your text response instead.

1. Text to Image

uv run $SKILL_SCRIPTS/comfyui_generate.py \
  --prompt "your description" \
  --filename ~/.openclaw/media/outbound/output.png \
  --no-media

2. Image to Image

uv run $SKILL_SCRIPTS/comfyui_generate.py \
  --prompt "make it sunset" \
  -i /path/to/input.png \
  --strength 0.5 \
  --filename ~/.openclaw/media/outbound/output.png \
  --no-media

3. Faceswap (pipeline — best quality)

Swaps a face then runs img2img cleanup for natural blending. ~30 seconds total.

uv run $SKILL_SCRIPTS/comfyui_generate.py \
  --faceswap-pipeline \
  --source-face /path/to/source_face.png \
  -i /path/to/target.png \
  --cleanup-strength 0.40 \
  --filename ~/.openclaw/media/outbound/output.png \
  --no-media

4. Faceswap (basic)

uv run $SKILL_SCRIPTS/comfyui_generate.py \
  --faceswap \
  --source-face /path/to/source_face.png \
  -i /path/to/target.png \
  --filename ~/.openclaw/media/outbound/output.png \
  --no-media

5. Targeted Faceswap (specific face in group photo)

uv run $SKILL_SCRIPTS/comfyui_generate.py \
  --targeted-faceswap \
  --source-face /path/to/source_face.png \
  -i /path/to/group_photo.png \
  --target-face-index "1" \
  --filename ~/.openclaw/media/outbound/output.png \
  --no-media

Face indices: `0` = leftmost, `1` = second from left, `"0,2"` = first and third.

6. LivePortrait (expression animation)

uv run $SKILL_SCRIPTS/comfyui_generate.py \
  --liveportrait \
  -i /path/to/portrait.png \
  --expression-preset smile \
  --filename ~/.openclaw/media/outbound/output.png \
  --no-media

Presets: `smile`, `surprised`, `wink`, `suspicious`, `derp`, `angry`, `sleepy`

Fine-grained control: `--smile` (-0.3 to 1.3), `--blink-val` (-20 to 5), `--eyebrow-val` (-10 to 15), `--aaa` (-30 to 120, mouth open), `--pitch`/`--yaw`/`--roll` (-20 to 20, head rotation).

7. Style Transfer

Generate a new image in the style of a reference:

uv run $SKILL_SCRIPTS/comfyui_generate.py \
  --style-transfer \
  --style-ref /path/to/reference.png \
  --prompt "a portrait of a man" \
  --style-weight 0.85 \
  --filename ~/.openclaw/media/outbound/output.png \
  --no-media

8. Restyle

Apply a reference image's style to an existing photo:

uv run $SKILL_SCRIPTS/comfyui_generate.py \
  --restyle \
  --style-ref /path/to/reference.png \
  -i /path/to/photo.png \
  --style-weight 0.85 \
  --strength 0.65 \
  --filename ~/.openclaw/media/outbound/output.png \
  --no-media

9. Enhanced mode

Add `--enhanced` to any command for FaceDetailer + 4x-UltraSharp upscale (net ~2x resolution). Works with txt2img and faceswap.

---

Quality Gates (built-in)

The script includes two automatic quality checks on faceswap outputs:

**Gate 1 — Size check:** ReActor blank outputs when no face is detected (~2KB). Any faceswap output under 10KB automatically retries once. If still blank, exits with `FACESWAP_BLANK:` error — no garbage delivered.

**Gate 2 — Vision QA:** If you have [Ollama](https://ollama.ai) running locally with `gemma3:12b`, faceswap outputs are checked with vision QA before delivery. PASS → deliver normally. FAIL → file renamed `_qa_flagged` and still delivered. Add ~10-20s but catches glitchy outputs. Disable by not having Ollama/gemma3 installed (fails open).

---

Offline Queue

When the bridge is unreachable, requests are automatically queued to `~/.openclaw/faceswap-queue/`. A companion daemon (`queue_processor.py`) polls every 5 minutes and delivers via iMessage when the bridge comes back online.

Tell users: "Got it — the system is offline right now but your request is queued and will be sent automatically when it comes back."

---

Options Reference

| Flag | Default | Description |

|---|---|---|

| `--prompt` / `-p` | — | Text description |

| `--filename` / `-f` | required | Output path (use `~/.openclaw/media/outbound/`) |

| `-i` / `--input-image` | — | Input image (img2img target / faceswap target / portrait) |

| `--source-face` | — | Source face image (faceswap modes) |

| `--faceswap` | false | Basic faceswap |

| `--faceswap-pipeline` | false | Faceswap + cleanup (best quality) |

| `--cleanup-strength` | `0.40` | Pipeline cleanup denoise strength |

| `--targeted-faceswap` | false | Swap specific face in multi-face image |

| `--target-face-index` | `0` | Which face(s) to replace (comma-separated) |

| `--liveportrait` | false | Expression animation mode |

| `--expression-preset` | — | smile / surprised / wink / suspicious / derp / angry / sleepy |

| `--style-transfer` | false | Generate in reference style |

| `--restyle` | false | Apply reference style to existing photo |

| `--style-ref` | — | Style reference image |

| `--style-weight` | `0.85` | Style influence (0.5–1.0) |

| `--model` / `-m` | `juggernaut` | `juggernaut`, `flux`, `realvis` |

| `--aspect-ratio` / `-a` | `1:1` | `1:1`, `4:5`, `9:16`, `16:9`, `5:4` |

| `--strength` / `-s` | `0.6` | img2img denoise strength |

| `--seed` | `-1` | Seed (-1 = random) |

| `--enhanced` / `-e` | false | FaceDetailer + 4x upscale |

| `--no-media` | false | Suppress MEDIA: stdout line (always use this) |

---

Routing Guide

| User says | Mode |

|---|---|

| "generate an image of..." | txt2img |

| "make this look like..." (with image) | img2img |

| "put [person]'s face on this" | --faceswap-pipeline |

| "swap the second face" | --targeted-faceswap --target-face-index 1 |

| "make him smile / look surprised" | --liveportrait --expression-preset |

| "generate something that looks like this painting" | --style-transfer |

| "make this photo look like a painting" | --restyle |

| "high quality / best quality" | add --enhanced |

---

Timing Reference

| Mode | Approximate time |

|---|---|

| txt2img (realvis) | ~5 seconds |

| txt2img (juggernaut) | ~5 minutes |

| txt2img (flux) | ~10 minutes |

| faceswap pipeline | ~30 seconds |

| liveportrait | ~7 seconds (21s first run) |

| style transfer / restyle | ~5 minutes |

| +enhanced | +10-30 seconds |