Find Migma in the ChatGPT Plugin Directory, approve browser access, verify the connection, and revoke it when needed.
Migma works inside ChatGPT through the Migma plugin
Connect Migma once, then ask ChatGPT to prepare on-brand emails, inspect campaigns, manage opted-in contacts, and open work in Migma. Browser OAuth handles access, so you do not paste an API key into ChatGPT.
OpenAI moved app discovery into the Plugin Directory. Use the public Migma plugin for the normal setup path. Custom MCP remains available as a fallback for workspaces that manage their own connector.
ChatGPT web or desktop access to the Plugin Directory.
Permission to install and use plugins in your workspace.
A browser for Migma approval.
Plugin availability depends on your ChatGPT plan, workspace settings, role, supported surface, and region. A workspace admin may need to enable Migma first.
In ChatGPT web or desktop, open Plugins from the sidebar. You can also open Settings → Plugins.Search for Migma and select the black Migma envelope logo.
Illustration of Migma in the ChatGPT Plugin Directory
2
Open Migma
Review the Migma listing. Select Connect when ChatGPT shows it. If Migma is already installed, select Try now to start a conversation.
Illustration of the Migma plugin listing
3
Approve Migma access
When ChatGPT first needs Migma, follow the browser sign-in flow. Sign in to Migma if needed, then review the app name, return host, and every requested permission.email:send allows test and live sends. campaign:write can create, schedule, or send campaigns. Approve only when you trust this ChatGPT session to act for you.
Illustration of the Migma connection review step
Migma creates the scoped connection key automatically. No key needs to be copied into ChatGPT.
4
Verify with a read-only request
Invoke Migma with an @Migma mention. You can also click +, choose More, then select Migma.Start with:
@Migma List my Migma brands. Do not create, export, or send anything.
ChatGPT should use Migma and return the brands you can access without changing account data.
Illustration of a safe first Migma request in ChatGPT
@Migma Use brand [name].Prepare one editable launch email for [audience].Show the preview image and canvas link when ready.Do not send, schedule, or export anything.
Open the returned canvas link when you want visual control in Migma. Keep ChatGPT confirmation controls enabled. Review every test send, live send, export, audience change, or campaign change before allowing it.
