AI LinkedIn Comment Generator That Never Posts for You

An AI LinkedIn comment generator drafts a comment on a post you're reading. The ones worth using leave the sending to you. LinkedIn said in February 2026 that comments posted through a script or browser plugin without human review can be pushed out of the default view, and that accounts that keep doing it may be restricted.

Search for one and you'll find dozens of Chrome extensions, most with a handful of users. They look alike until you ask one question: who actually presses the button?

We make VoiceMoat, which has a Chrome extension that does this. We cover it near the end, including what it can't promise.

The four kinds of comment tool

Who presses send, by kind of tool.

If you remember one line from this page: anything in the third row isn't worth it.

What LinkedIn actually says

There are three separate statements, and they're stricter than most tool pages admit.

On automated comments. In February 2026, Gyanda Sachdeva, LinkedIn's VP of Product Management, described automated comments as ones posted through a third-party script or browser plugin without human oversight. According to Social Media Today, LinkedIn will remove them from the default Most Relevant view, may stop them reaching beyond your direct connections, and may restrict members who keep doing it.

On comment volume. LinkedIn's help documents say that excessive comment creation or use of an automation tool may limit the visibility of those comments.

On extensions in general. LinkedIn's help pages say it doesn't allow third-party software or browser extensions that scrape the site, change its appearance or automate activity on it, and that members who use them "risk having their accounts restricted or shut down."

That last rule matters here. Its pages don't mention tools that only draft text, in either direction. They don't say a drafting extension is fine, and they don't single one out either. So be wary of any extension that calls itself "100% safe" for LinkedIn, ours included. Keeping a human on the button takes you out of the clearest category, automated comments. It doesn't make an extension officially approved.

We also couldn't find any LinkedIn statement about comments that are simply written with AI. The statements are about automation and volume. What gets a comment ignored is usually simpler: it could have been left on any post.

What makes a comment worth posting

Invented example.

Most AI comments fail the same test. Delete the post above them and they still make sense.

An example, with invented details:

Flat: Great insights! Consistency really is the key to success on LinkedIn.

Worth posting: The part about stopping at three themes matches what happened to us. We dropped to two and the weekly post stopped feeling like homework. Did yours get narrower over time too?

The second one only works under that one post, and it gives the author something to answer. Before you post a drafted comment, check four things:

• Would it make sense under a different post? If so, rewrite it.

• Is it already there? Read the comments above yours. Saying what three people said adds nothing.

• Is anything in it made up? A draft can't know what happened to you. If it claims an experience you didn't have, take it out.

• Would you say it to this person's face? If not, it isn't yours yet.

Our guide to using AI for LinkedIn comments and DMs has prompts if you'd rather use a chat assistant.

What to check before you install one

• Does it ever post by itself? Look for words like auto-comment, schedule or autopilot.

• Does it learn from your own comments, or only from a setting like "professional"?

• Does it read the comments already there, so yours adds something?

• What does it read, and when? Extensions can see the pages you open. Check the store listing and the privacy policy, and prefer tools that only read on your click.

• Who's behind it? Plenty of listings have a few users and no company name.

How VoiceMoat's Chrome extension works

VoiceMoat is an AI social media tool for LinkedIn and Twitter. Its extension adds one pill to every post in your feed.

On LinkedIn:

1. Press Comment as you on any post.

2. You get two drafts, a Short one (one line) and a Thoughtful one (3 to 4 lines).

3. It reads the comments already under the post first, so yours adds something new, and skips ads and name-only comments.

4. Press Put in comment box, edit it, and press LinkedIn's own Comment button.

It learns how you comment from your own recent LinkedIn comments. That happens only when you click Analyze or Re-train, at most once every 3 days, in one tab it closes when done. Never in the background.

On Twitter: Reply as you drafts a reply, and Put in reply box fills Twitter's own box. You press Reply. Since version 1.18.0 there's no posting route in the extension at all, and what used to be bulk replies is now one by one. On your own new post, a slim strip shows the time left in your first 2 hours and the replies you haven't answered. A bait check flags lines like "Like if you agree," with Rewrite without it or Keep it, and it never blocks you. For more on why we work this way, see why we refuse to build reply bots, and for how to reply well, the reply guy playbook.

It can also draft whole posts inside Twitter's composer and LinkedIn's Start a post, or remix a post into your own.

What it can't promise. The pill changes how LinkedIn's page looks and the extension reads the page you have open, and LinkedIn's rules cover extensions that do those things. It never comments for you, but we can't tell you LinkedIn approves of it, because LinkedIn doesn't approve drafting tools one by one.

What it costs

From our plan limits, 9 November 2026.

The extension has no separate price. Each draft uses the same credits as the rest of VoiceMoat: 2 for a LinkedIn comment pair, 1 for a Twitter reply, 3 for a reply that reads a post's images.

If you only leave a comment now and then, a paste-in generator or your own keyboard will do. If you comment most days and want the drafts to be yours, see how the extension works. It needs Chrome 116 or later.