Configure rgthree-comfy nodes including Fast Groups toggles and Power Lora Loader in ComfyUI workflows.
npx skills add https://github.com/artokun/comfyui-mcp --skill rgthree
Please help me install this Agent Skill. Skill: rgthree Source: https://github.com/artokun/comfyui-mcp/tree/main/plugin/skills/rgthree Command: npx skills add https://github.com/artokun/comfyui-mcp --skill rgthree
rgthree-comfy nodes appear in a large share of community ComfyUI workflows, but three of their behaviors cause silent agent failures: some nodes are frontend-only and absent from /object_info, they are configured through properties rather than widgets, and Fast Groups nodes enumerate groups by title instead of taking wiring. This Skill documents the correct configuration model so agents stop misdiagnosing these nodes.
Add a Fast Groups Bypasser node to my workflow and configure it to toggle all groups whose titles start with STAGE.
High-intent search queries and answers about installing and using this skill.
Add the node with panel_add_node, leave its output unwired, then set the matchTitle property to an anchored regex like ^STAGE using panel_set_property. The node renders one toggle per matching group, so groups must exist and be named first.
Use the Power Lora Loader and create rows by writing lora_1, lora_2, and so on with panel_set_widget, passing a JSON object string with on, lora, strength, and strengthTwo fields. Edit single fields later with dotted addressing like lora_1.strength.
Some rgthree nodes are frontend-only, registered by JavaScript with no Python class, so they are absent from /object_info by design. Seven types like Fast Groups Bypasser and Reroute are allowlisted for panel_add_node; others like Bookmark are refused.
Fast Groups nodes store matchTitle, toggleRestriction, and sort in node properties, not widgets. Use panel_set_property instead; the refusal message listing available widgets confirms you are on the wrong path.
A bypassed node (mode 4) is skipped and passes its input through, while a muted node (mode 2) does not execute and kills everything downstream. Prefer the Bypasser for optional stages; use the Muter only to stop a branch entirely.
Fast Groups nodes do not implement onPropertyChanged; the toggle list rebuilds on a service tick and can stall with leftover rows. Set matchTitle immediately after adding the node, re-read it, and set matchTitle again if stale rows remain.
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