Automate your LinkedIn posts with an AI agent
Connect an agent to posthell, flip Publishing on, and it can turn your working notes into a proper LinkedIn text post and publish it for you. No credits, no daily babysitting.
By Rohan Gotwal, Founder, posthellUpdated July 6, 2026LinkedIn rewards a calmer, longer, more professional voice than X, and it is exactly the kind of writing a founder skips when the day gets busy. Point your AI agent at posthell, enable publishing for its key, and it can take a rough note ("shipped the new onboarding, churn down 6 points") and publish a native LinkedIn text update on its own. Because LinkedIn is free to serve, this is unlimited and never touches credits. The agent posts text updates only, so it is your announcements and reflections that go out, not images or documents.
Your agent posts to LinkedIn on its own once you flip its key to Publishing. It asks first by default, and you can turn autonomous posting off anytime.
What your agent does
A working-hours cadence, unattended
Put your agent on a heartbeat and it can keep your LinkedIn feed alive with a steady weekday text post, which is where LinkedIn engagement actually clusters, without you opening the app.
The professional register, written for you
The agent shapes your terse notes into the longer, more measured tone LinkedIn expects, so what publishes reads like a considered update, not a tweet reposted into the wrong room.
Unlimited, zero credits
LinkedIn is free to serve, so an agent publishing to it is never metered. It can post as often as your audience will bear on every plan, with no wallet to drain.
The agent knows where to lean in
Ask it for growth and it reads your 7-day follower change per network, so if LinkedIn is where you are actually gaining, it can focus its posting there instead of guessing.
How to automate LinkedIn posts
Connect your agent
Create an API key in posthell Settings, then add posthell to Claude Code, Cursor, or OpenClaw with one line, or run the posthell CLI. It uses the same account you already have.
Turn on publishing
Flip the key to Publishing so your agent can post to your networks on its own. It stays off by default, and you can revoke it anytime.
Let it post to LinkedIn
Tell your agent what you shipped. It shapes a post in your voice and publishes to LinkedIn on schedule, or on a heartbeat if you have it check in on a loop.
Frequently asked questions
Can an AI agent post to LinkedIn on its own?
Yes, once you enable Publishing on the agent's API key in posthell Settings. Until then the key can only draft. With publishing on, the agent publishes real LinkedIn text posts autonomously, and you can revoke that permission at any time.
Does the agent post images or documents to LinkedIn?
No. The agent surface is text-only for now, so it publishes text updates, announcements, and reflections. If you want an image or a document post, use the posthell composer yourself; the agent handles the writing-and-shipping of text.
Is automated LinkedIn posting metered?
No. LinkedIn is unlimited on every plan, and an agent publishing to it costs nothing. Only X is metered.
How do I stop the agent from posting if I change my mind?
Flip the key back to draft-only, or revoke it, in Settings. Autonomy is per-key and off by default, so a draft-only key can never publish, and a revoked key loses access instantly.
Point your AI agent at LinkedIn
Connect your agent to posthell, enable publishing, and it posts to LinkedIn and your other networks on its own. Honest founder pricing, with X metered at the exact rate (your credit wallet caps the spend) and every other network unlimited.