Gemini + Reddit
Post to Reddit from Gemini
Ask Gemini to write and schedule your Reddit posts. BrokenPost connects the two, follows Reddit's rules and posts at the time you pick.
How to connect Gemini to Reddit
- 1
Connect Reddit in BrokenPost. Sign in with Reddit.
- 2
In BrokenPost, open Plugins and copy your MCP URL.
- 3
Add the config below to ~/.gemini/settings.json.
- 4
Start Gemini CLI and run /mcp auth brokenpost to sign in.
- 5
Ask Gemini to schedule a post.
{
"mcpServers": {
"brokenpost": { "url": "<MCP_URL>" }
}
}Prefer another way? See every way to connect Gemini.
What to ask Gemini
Type these in Gemini CLI. Change the details to fit your posts.
- “Post this as a text post in r/SideProject tomorrow at 10am with the title "I built a tool that…".”
- “Share this link in r/webdev and r/javascript on Monday, and pick the right flair for each.”
- “Schedule this screenshot as a media post in our subreddit on Friday.”
- “Write a Reddit post about the file I just shared and schedule it for tomorrow at 9am.”
- “What Reddit posts do I have scheduled for next week?”
What happens next
- 1
You ask in Gemini CLI, in plain words.
- 2
Gemini lists the channels you connected in BrokenPost and picks your Reddit account.
- 3
It reads Reddit's rules and settings from BrokenPost, so the post fits Reddit's limits before it is written.
- 4
If you shared a picture, a video or a link to one, it uploads it to your media library.
- 5
It creates the post as scheduled, as a draft, or to go out now, and gives you a preview link.
- 6
At the set time BrokenPost publishes it to Reddit and it shows on your calendar.
Reddit limits Gemini follows
Gemini reads these rules from BrokenPost before it writes, so the post fits the first time.
| Characters | 10,000 characters |
|---|---|
| Media | Media posts take exactly 1 file, videos need a thumbnail |
| Post types | Text, link or media |
| Media post | Exactly 1 picture or video |
| Video | Needs a thumbnail |
| Subreddits | One or more per post |
Reddit settings you can ask for
Say them in plain words, like "subreddits", and Gemini sets them on the post.
- Subreddits
- Title for each subreddit
- Text, link or media
- URL for link posts
- Flair, when the subreddit needs it
If Reddit rejects a post
Gemini sees the same message and can fix the post for you.
| What you see | How to fix it |
|---|---|
| When posting a media post, you must attached exactly one media file. | Attach one picture or video, or change the post type to text or link. |
| You must attach a thumbnail to your video post. | Add a thumbnail picture to the video. |
Good to know
- Each subreddit has its own rules. Some need a flair, and BrokenPost asks for it.
- A media post takes exactly one file. A video also needs a thumbnail.
- Reddit allows few posts per minute, so posts to many subreddits go out one by one.
- Gemini only posts when you ask. Ask for a draft to check the post in BrokenPost first.
Questions people ask
Can Gemini post to Reddit directly?
Yes, through BrokenPost. Connect Reddit in BrokenPost, connect BrokenPost to Gemini, and Gemini can schedule, draft or publish Reddit posts.
Does Gemini know the Reddit limits?
Yes. Gemini reads Reddit's rules from BrokenPost before it writes: 10,000 characters and media posts take exactly 1 file, videos need a thumbnail. BrokenPost checks again before it posts.
Can Gemini schedule Reddit posts for later?
Yes. Give a day and time, like "Friday at 6pm", and the post goes out then. Ask for a draft if you want to check it first.
Is it free?
Gemini with BrokenPost works on every plan. The Free plan includes 1 account on every app and 20 posts a month. Paid plans start at $19 a month with unlimited posts.
Which Reddit settings can Gemini set?
Subreddits; Title for each subreddit; Text, link or media; URL for link posts; Flair, when the subreddit needs it.
Can Gemini post a Reddit thread or comments?
Yes. Ask for a thread or a first comment and BrokenPost posts each part as a reply, right after the first one.
Can I post to several subreddits at once?
Yes. Add each subreddit with its own title. BrokenPost posts to them one after another.
Does it handle subreddit flair?
Yes. When a subreddit needs flair, BrokenPost loads the list and you pick one.
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