Post to X from Cursor
Connect Cursor to X with the Postbase MCP server and schedule tweets and threads from your editor. No API key, and every post lands on a calendar you can check.
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Connect Cursor from the Developers page
Use your API key to automate Postbase — hook up an AI agent over MCP, script it from the CLI, or call the REST API directly.
API keys
A key authenticates the MCP server, the REST API, and the CLI. Shown once — store it safely.
pb_live_…9c1eMCP client configuration
Connect the Postbase MCP server to your AI tool so it can schedule and publish for you.
Authentication
No key to manage — your tool signs in through Postbase.
Client
Add a custom MCP server in Cursor, or one-click below.
https://mcp.postbase.so/mcpAdd to CursorCopyConnected apps
Tools you've signed in to Postbase from. Revoking cuts off their access immediately.
Set up in three steps
- 1
Connect X to Postbase
Open Channels in Postbase, pick X and approve access on X's own sign-in screen. Postbase never sees your password.
- 2
Add the server
Click Add to Cursor on the Postbase Developers page, or add a custom MCP server in Cursor's settings and paste the server URL.
- 3
Ask for tweets and threads
Tell Cursor what to post on X and when. Everything it schedules shows up in your Postbase calendar.
https://mcp.postbase.so/mcpWhat to ask Cursor
A few X requests that work well.
“Look at the diff for this PR and write an X post about the new feature. Schedule it for tomorrow at noon.”
“Turn the README's feature list into a 4-post X thread and save it as a draft.”
“What's scheduled on X for launch day?”
How Cursor's posts work on X
- Length
- 280 characters per post. Links count as 23 and emoji as 2, so ask for a little under the limit.
- Threads
- Ask for a thread and the agent sends the posts as one list. Postbase publishes them as a chain of replies, up to 25.
- Timing
- Give a time and it's scheduled; leave it out and it's saved as a draft.
Tips for better X posts
- Ask for the hook first: "make the first post work on its own".
- Put links in the last post of a thread, not the first.
- Say how many posts you want. "A 4-post thread" beats "a thread".
Frequently asked questions
Can it post a thread on X?
Yes. Ask for a thread and the agent sends the posts together. Postbase publishes the first at the scheduled time and each following post as a reply to the one before.
Can it attach images to a tweet?
Not through the agent yet. Ask it to save a draft, then add the image in the Postbase composer and schedule it from there.
Does Cursor need my X password?
No. You connect X to Postbase once, and Cursor signs in to Postbase, not to X. You can revoke Cursor's access from the Developers page at any time.
Can Cursor delete my X posts?
No. It can list channels, create drafts and scheduled posts, list the queue and cancel a scheduled post. There's no tool for deleting anything.
Related
Ready to get started?
Connect Cursor in a minute. It writes and schedules your X posts, and you see every one in your calendar.
Cancel anytime · or self-host for free
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Client