Does ChatGPT support the Zeplin MCP server?

Yes. ChatGPT connects to the Zeplin MCP server through its connector settings, pointed at your Metorial URL. You need a ChatGPT plan or workspace that allows custom MCP servers.

Do I need an API key to connect Zeplin to ChatGPT?

No. You sign in to Zeplin once through Metorial, and ChatGPT uses that connection. No API keys go into ChatGPT's settings.

Which Zeplin tools can ChatGPT use?

All 28 Zeplin tools your team allows, such as Get Styleguide, List Screen Versions, Delete Screen Note. Admins can narrow that list per team.

Can I control which teammates use Zeplin in ChatGPT?

Yes. Role-based access control decides who can use Zeplin and which of its tools appear in ChatGPT, and every call is logged with the person's identity.

What if ChatGPT doesn't show Zeplin tools?

Workspace policy controls it. On Enterprise and Edu, an admin grants the permission to create plugins with MCPs; ask them to enable it for you.

Connect Zeplin to ChatGPT (MCP setup guide)

Ask ChatGPT to use the get design tokens tool in Zeplin
Ask ChatGPT to use the get flow board tool in Zeplin
Ask ChatGPT to use the list flow boards tool in Zeplin
Ask ChatGPT to use the list projects tool in Zeplin
Ask ChatGPT to use the list spacing tokens tool in Zeplin

1. Enable Zeplin in Metorial
In your Metorial portal, enable the Zeplin MCP server and sign in with the account that owns the data. Access stays governed by your team policies.
2. Add a custom MCP server
On ChatGPT web, open Plugins, select +, then Add custom MCP server.
3. Paste your Metorial MCP URL
Name it Metorial, paste your Magic MCP URL (<your-magic-mcp-url>), choose OAuth and accept the risk notice.
4. Create and install the plugin
Select Create as a plugin, install it and sign in to load Zeplin tools.

Once Zeplin is enabled in Metorial, teammates sign in with SSO and get the same connection in ChatGPT, with only the tools their role allows.

One link covers every app you approve. See how the MCP gateway handles access, roles and audit logs for the whole company.

Get Styleguide: Retrieve detailed information about a specific Zeplin styleguide.
List Screen Versions: List all versions of a specific screen in a Zeplin project.
Delete Screen Note: Delete a note from a screen in a Zeplin project.
Update Project: Update a Zeplin project's name or description.
List Colors: List all colors from a Zeplin project or styleguide.
Get Design Tokens: Retrieve all exported design tokens from a Zeplin project or styleguide, including colors, text styles, and spacing tokens in a structured format.
Get Flow Board: Retrieve a specific flow board from a Zeplin project, including its nodes and connectors that define user journey maps and navigation diagrams.
List Flow Boards: List all flow boards in a Zeplin project.
List Projects: List all Zeplin projects the authenticated user is a member of.
List Spacing Tokens: List all spacing tokens from a Zeplin project or styleguide.
List Organizations: List all Zeplin organizations (workspaces) that the authenticated user is a member of.
List Screens: List all screens in a Zeplin project.
Create Screen Note: Create a note on a screen in a Zeplin project.
Invite Project Member: Invite a user to a Zeplin project by their email, username, or user ID.
List Styleguides: List all Zeplin styleguides the authenticated user is a member of.
And 13 more on the Zeplin MCP server page.

Type @ and pick the plugin. The selection applies to that message only, so @mention it again when a follow-up needs fresh Zeplin data.
For write actions, ChatGPT may ask you to confirm first, depending on the app permissions and the action.
Once published for a workspace, ChatGPT keeps a snapshot of the tool list. When your team adds Zeplin tools in Metorial, an admin refreshes the actions in Workspace settings before they appear.
You can use several apps in one prompt, for example read Zeplin data and then create a ticket in another app.

Add custom MCP server is missing: Workspace policy controls it. On Enterprise and Edu, an admin grants the permission to create plugins with MCPs; ask them to enable it for you.
The plugin exists but no tools appear: Creating the plugin is not enough: install it from your plugins, then start a new conversation so ChatGPT loads its tools.
ChatGPT answers without using the tools: Pick the plugin with @ in the composer and name the action you want, for example "use Metorial to look up the latest ticket".

Based on the ChatGPT MCP documentation.

Frequently asked questions

Common questions about connecting Zeplin to AI agents with Metorial.

Does ChatGPT support the Zeplin MCP server?
Yes. ChatGPT connects to the Zeplin MCP server through its connector settings, pointed at your Metorial URL. You need a ChatGPT plan or workspace that allows custom MCP servers.
Do I need an API key to connect Zeplin to ChatGPT?
No. You sign in to Zeplin once through Metorial, and ChatGPT uses that connection. No API keys go into ChatGPT's settings.
Which Zeplin tools can ChatGPT use?
All 28 Zeplin tools your team allows, such as Get Styleguide, List Screen Versions, Delete Screen Note. Admins can narrow that list per team.
Can I control which teammates use Zeplin in ChatGPT?
Yes. Role-based access control decides who can use Zeplin and which of its tools appear in ChatGPT, and every call is logged with the person's identity.
What if ChatGPT doesn't show Zeplin tools?
Workspace policy controls it. On Enterprise and Edu, an admin grants the permission to create plugins with MCPs; ask them to enable it for you.