A workflow for running ComfyUI, a node-based tool for generating images, video, audio, and 3D content. It can install and launch ComfyUI, manage required models and nodes, and run saved workflows through its APIs.

Use it to check hardware, prepare ComfyUI, inspect workflow parameters, fix missing models or nodes, submit batches, and download generated results.

It helps automate setup and repeated generation while identifying or installing missing workflow dependencies.

comfyui — Skill for Claude Code and Codex by davidtoby

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo

git clone --depth 1 https://github.com/davidtoby/agent-skills

agentmods

npx agentmods add skills/davidtoby/agent-skills/comfyui

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/davidtoby/agent-skills/comfyui/github.svg)](https://agentmods.dev/skills/davidtoby/agent-skills/comfyui)

Your own site

<a href="https://agentmods.dev/skills/davidtoby/agent-skills/comfyui"><img src="https://agentmods.dev/badge/skills/davidtoby/agent-skills/comfyui/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/davidtoby/agent-skills/comfyui"><img src="https://agentmods.dev/badge/skills/davidtoby/agent-skills/comfyui.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 6,230 The whole file, excluding the scripts and references it only reads on demand.

Security scan B 3 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin 97% copy Near-identical to another mod in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00046	$0.06230
Opus 5	$0.00023	$0.03115
Sonnet 5	$0.00009	$0.01246
Haiku 4.5	$0.00005	$0.00623

Measured 6d ago against content hash dc23dc22f1d9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade B, and why

comfyui scanned grade B with 3 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.

The scan reads SKILL.md. This mod also ships 17 executable files (scripts/_common.py, scripts/auto_fix_deps.py, scripts/check_deps.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Sends data to an external URLlowData exfiltration

A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.

curl -X POST http://127.0.0.1:8188/queue -d '{"clear": true}' # cancel pending

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

Downloads and executes remote codemediumSupply chain

curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.

curl -s http://127.0.0.1:8188/queue | python3 -m json.tool

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s http://127.0.0.1:8188/system_stats 2>/dev/null && echo "server: running"

Origin

This is a copy

97% identical to comfyui — 58 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/creative/comfyui/SKILL.md · 607 lines

How it starts

The opening of the file, as written. The whole thing — 607 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ComfyUI

Generate images, video, audio, and 3D content through ComfyUI using the official comfy-cli for setup/lifecycle and direct REST/WebSocket API for workflow execution.

What's in this skill

Reference docs (references/):

official-cli.md — every comfy ... command, with flags
rest-api.md — REST + WebSocket endpoints (local + cloud), payload schemas
workflow-format.md — API-format JSON, common node types, param mapping

Scripts (scripts/):

Script	Purpose
`_common.py`	Shared HTTP, cloud routing, node catalogs (don't run directly)
`hardware_check.py`	Probe GPU/VRAM/disk → recommend local vs Comfy Cloud
`comfyui_setup.sh`	Hardware check + comfy-cli + ComfyUI install + launch + verify
`extract_schema.py`	Read a workflow → list controllable params + model deps
`check_deps.py`	Check workflow against running server → list missing nodes/models
`auto_fix_deps.py`	Run check_deps then `comfy node install` / `comfy model download`
`run_workflow.py`	Inject params, submit, monitor, download outputs (HTTP or WS)
`run_batch.py`	Submit a workflow N times with sweeps, parallel up to your tier
`ws_monitor.py`	Real-time WebSocket viewer for executing jobs (live progress)
`health_check.py`	Verification checklist runner — comfy-cli + server + models + smoke test
`fetch_logs.py`	Pull traceback / status messages for a given prompt_id

Example workflows (workflows/): SD 1.5, SDXL, Flux Dev, SDXL img2img, SDXL inpaint, ESRGAN upscale, AnimateDiff video, Wan T2V. See workflows/README.md.

When to Use

User asks to generate images with Stable Diffusion, SDXL, Flux, SD3, etc.
User wants to run a specific ComfyUI workflow file
User wants to chain generative steps (txt2img → upscale → face restore)
User needs ControlNet, inpainting, img2img, or other advanced pipelines
User asks to manage ComfyUI queue, check models, or install custom nodes
User wants video/audio/3D generation via AnimateDiff, Hunyuan, Wan, AudioCraft, etc.

Read the full file on GitHub · 607 lines

Files

What ships with it

31 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

6d ago First seen · 607 lines · 46 tokens per session scan B dc23dc22f1d9

Subscribe to this mod's changes

comfyui is a skill published in the GitHub repository davidtoby/agent-skills (10 stars, last pushed 1mo ago), licensed MIT. It adds 46 tokens to every session and 6,230 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it B with 3 findings (sends data to an external url, downloads and executes remote code, makes network calls). It is 97% identical to comfyui, differing in 58 lines, and is treated as a copy.

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comfyui