This is a Comfy Cloud feature and is only available in the cloud version. To learn more about Comfy Cloud, see Comfy Cloud.
Overview
The Comfy Cloud MCP server connects AI agents to Comfy Cloud over the Model Context Protocol. Once connected, you can generate images, video, audio, and 3D, search models, nodes, and templates, and run ComfyUI workflows — all from a chat with your agent. Support is currently scoped to Claude Code and Claude Desktop, which sign in with OAuth — a one-time browser sign-in. Support for more clients is coming.Install
Pick your client:Claude Code
Install the plugin — connection and commands in one step.
Claude Desktop
Add a custom connector in the app, then sign in.
Claude Code
Install the comfy-cloud plugin — it adds the MCP connection and the slash commands in one step.
The plugin adds these slash commands:
| Command | What it does |
|---|---|
/comfy-cloud:generate-image | Generate, edit, or modify an image |
/comfy-cloud:generate-video | Generate, edit, or extend a video |
/comfy-cloud:generate-audio | Generate audio |
/comfy-cloud:generate-3d | Generate a 3D model |
/comfy-cloud:remove-background | Remove the background from an image |
/comfy-cloud:upscale-image | Upscale an image |
/comfy-cloud:search-models | Search available models |
/comfy-cloud:search-nodes | Search for nodes |
/comfy-cloud:search-templates | Find pre-built workflows |
/comfy-cloud:help | See what you can do |
Prefer just the connection, without the plugin?
Prefer just the connection, without the plugin?
Add the server directly (no slash commands):Then run
/mcp, select comfy-cloud → Authenticate. Add -s user to make it available in all your projects.Claude Desktop
Claude Desktop adds Comfy Cloud as a custom connector through its UI, then runs the OAuth sign-in.
Enter the server URL
Name it anything (for example, Comfy Cloud) and set the Remote MCP server URL to:
Headless / CI (API key)
Claude Code and Claude Desktop use OAuth, so you do not need an API key. For headless or CI setups where no browser is available, authenticate with an API key instead:Create a key
Go to platform.comfy.org/profile/api-keys, click New API Key, and copy it (it starts with
comfyui-).FAQ
Which clients are supported?
Which clients are supported?
Claude Code and Claude Desktop today, both signing in with OAuth. Support for more clients is coming.
Do I need an API key?
Do I need an API key?
Not for Claude Code or Claude Desktop — they use OAuth. An API key is only needed for headless or CI setups with no browser.
Do the slash commands work in Claude Desktop?
Do the slash commands work in Claude Desktop?
No. The slash commands ship in the Claude Code plugin. Claude Desktop connects to the same MCP server (so the tools work — just ask in plain language), but it doesn’t support Claude Code plugins or slash commands.
The sign-in did not open a browser.
The sign-in did not open a browser.
In Claude Code, run
/mcp, select comfy-cloud, and choose Authenticate. In Claude Desktop, reopen the connector from Customize → Connectors and trigger sign-in.