Skills for Real Engineers. Straight from my .agents directory.
model-registry
Agent skill fromartokun/comfyui-mcp
Curated download URLs and target directories, organized by family (Flux, WAN, LTX, Qwen, Z-Image, SD15/SDXL), for every model the comfyui-mcp skills reference, covering checkpoints, VAEs, text encoders, and LoRAs. Use when downloading models with download_model (action:"download" / action:"download_civitai"), when a workflow fails with a missing-model error, or when setting up a new machine.
How to install model-registry
npx skills add artokun/comfyui-mcp# or add only this skill to Claude Code: copy the folder
plugin/skills/model-registry/
# into
~/.claude/skills/model-registry/ (all projects)
.claude/skills/model-registry/ (one project)
1# Model Registry23One table per family: filename → source URL → target subdir under4`<COMFYUI>/models/`. Use with `download_model({ action: "download", url, target_subfolder, filename })`.5This registry grows with every release. If a model you need is missing, use6`action:"search"` (HuggingFace) or `action:"download_civitai"` and consider7contributing the row.89**Quant column (kitchen).** Filenames in this registry are mostly bf16 / fp8. NVFP4 and MXFP8 siblings, when a vendor publishes them, are the same stem with `nvfp4` / `mxfp8` in the name and belong in `diffusion_models/` too. `kitchen` action:"assess" only offers an NVFP4 swap when that sibling is **already listed locally** — it does not guess a URL from the filename. Blackwell (SM ≥ 10.0) is the GPU that can run NVFP4 / MXFP8 compute.1011**Conventions**12- HF "resolve" URLs download directly: `https://huggingface.co/<repo>/resolve/main/<path>`13- 🔒 = gated repo, needs `HUGGINGFACE_TOKEN` (accept the license on the HF page first)14- CivitAI model-page URLs need `download_model` `action:"download_civitai"` (resolves version → file); raw `civitai.com/api/download/...` URLs work with `action:"download"` + `CIVITAI_API_TOKEN`15- Always verify the exact filename a workflow's loader expects. The `model-compatibility` skill covers which VAE/CLIP pairs with which architecture1617## Shared VAEs & text encoders (download these once)1819| File | Source | Target |20|---|---|---|21…
Excerpt shown under the repository's MIT license.
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