Connect PostNext to ChatGPT in three steps
Turn on developer mode
In ChatGPT on the web, open Settings, then Apps, then Advanced settings, and switch on Developer mode. It is available on Pro, Plus, Business, Enterprise and Education accounts. Before the July 2026 rename this lived under Connectors, and plugins were called connectors.
Create the PostNext plugin
Under Settings, then Apps, choose Create, name it PostNext, paste the server URL below, and set Authentication to OAuth.
https://mcp.postnext.io/apiEnable it in a chat and sign in
In a new chat, enable PostNext from the tools menu. ChatGPT opens the PostNext sign-in screen on first use; approve it once.
MCP API URL:https://mcp.postnext.io/api
What you can ask
Show me everything scheduled for this week and flag the gaps.Draft a Friday recap thread for X and a shorter version for Threads.Which of my LinkedIn posts got the most engagement in the last 30 days?
Tools your assistant can call
- Generate a one-time link to authorise a new social channel.
- Draft a new post (won't auto-publish).
- Move a draft into the publish queue at a future time.
- Read your queued posts before they go out.
- Fetch likes, comments, shares and impressions for a published post across every connected platform.
- Recommend the best (dayOfWeek, hour) slots for the next post on a given platform, ranked by engagement over the past 90 days.
Frequently asked questions
Do I need a paid plan?
No. The free plan gives you read access and draft creation. Only get_account_health (the 30-day analytics summary) requires a paid plan: Basic, Pro, Teams or Business.
How do I revoke access?
Disconnect from your AI client's settings, or open your account page on PostNext and remove the client. Tokens also auto-expire after 30 days of inactivity.