comfyui-pin-node-input

📌 Pin Node Input

A ComfyUI extension that lets you pin any widget from any node to a sidebar panel, so you can tweak the settings you change constantly — prompts, seed, steps, CFG, resolution — without hunting across the canvas between runs.

No extra nodes, no workflow restructuring. Pin a widget, change it from the sidebar, done.

Features

• Pin / unpin any widget via the node's right-click menu → 📌 Pin widget…
• Sidebar panel with native-feeling controls for every widget type:
  • dropdowns (samplers, schedulers, checkpoints, …)
  • numbers with correct int/float handling, min/max and step
  • toggles
  • multiline text areas for prompts
• Live two-way sync — change a value on the canvas (or let randomize roll a new seed after each run) and the panel updates within ~0.6 s. Change it in the panel and the node updates instantly.
• Seed convenience — pinning a seed / noise_seed widget automatically pins its control_after_generate companion.
• Drag to reorder — grab the ⠿ handle on any row to rearrange pins; the order is saved with the workflow.
• Click a pin's label to center the canvas on its source node.
• Pins are saved inside the workflow (.json), so every workflow remembers its own pinned set and they travel with the file when you share it.
• Frontend-only: adds zero Python nodes and does not touch your graph or outputs.

Installation

Via ComfyUI Manager (recommended)

1. Open Manager → Custom Nodes Manager
2. Search for Pin Node Input
3. Install and restart ComfyUI

Manual

cd ComfyUI/custom_nodes
git clone https://github.com/dawncreatescode/comfyui-pin-node-input.git

Restart ComfyUI and hard-refresh your browser (Ctrl+Shift+R) so the frontend script loads.

Requirements: a recent ComfyUI with the new frontend (the default since mid-2024). No Python dependencies.

Usage

1. Pin something: right-click any node → 📌 Pin widget… → click a widget name. A ✓ marks widgets that are already pinned; clicking them again unpins.
2. Open the panel: click the 📌 thumbtack icon in the sidebar.
3. Edit values directly in the panel — changes apply to the node immediately.
4. Unpin with the ✕ on a row, or via the same right-click menu.
5. Save your workflow as usual; pins are stored in it and restored on load.

The ↺ button in the panel header forces a full rebuild — useful if dropdown contents changed (e.g. you added a model file) or you renamed a node and want the label updated.

Stale pins

If a pinned node is deleted or its widget is converted to an input, the row shows ⚠ Widget not found instead of breaking. Unpin it, or undo the deletion and the row comes back to life automatically.

How it works (for the curious)

• A pin is just a reference — {nodeId, widgetName} — stored in graph.extra, which ComfyUI serializes inside the workflow JSON.
• Panel controls proxy the real LiteGraph widgets: writes set widget.value and fire the widget's callback; reads happen via a lightweight sync loop (600 ms, only while the panel is mounted) that never overwrites a control you're currently typing in.
• The panel is registered through the official app.extensionManager.registerSidebarTab API, so it follows your ComfyUI theme and survives frontend updates better than hacks into internal components.

Known limitations

• Widgets converted to inputs have no local value and therefore can't be edited from the panel (shown as stale).
• Image/file upload widgets and button widgets are intentionally not pinnable.

License

MIT — see LICENSE.