Codex + YouTube
Post to YouTube from Codex
Ask Codex to write and schedule your YouTube videos. BrokenPost connects the two, follows YouTube's rules and posts at the time you pick.
How to connect Codex to YouTube
- 1
Connect YouTube in BrokenPost. Sign in with Google and pick your YouTube channel.
- 2
In BrokenPost, open Plugins and copy your MCP URL.
- 3
Add the lines below to ~/.codex/config.toml.
- 4
Run codex mcp login brokenpost and sign in.
- 5
Ask Codex to schedule a post.
# ~/.codex/config.toml
[mcp_servers.brokenpost]
url = "<MCP_URL>"Prefer another way? See every way to connect Codex.
What to ask Codex
Type these in Codex. Change the details to fit your videos.
- “Upload this video to YouTube on Thursday at 3pm as unlisted with the title "Q3 product update".”
- “Cut my latest YouTube video into 5 Shorts with captions and save them as drafts.”
- “Schedule this video on YouTube Saturday at 10am with the tags coffee, latte and recipe.”
- “Read the commits since the last tag and turn them into a short YouTube video. Schedule it for 10am tomorrow.”
- “What YouTube videos do I have scheduled for next week?”
What happens next
- 1
You ask in Codex, in plain words.
- 2
Codex lists the channels you connected in BrokenPost and picks your YouTube account.
- 3
It reads YouTube's rules and settings from BrokenPost, so the video fits YouTube'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 video 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 YouTube and it shows on your calendar.
YouTube limits Codex follows
Codex reads these rules from BrokenPost before it writes, so the video fits the first time.
| Characters | 5,000 characters (for the description) |
|---|---|
| Media | Exactly 1 video |
| Video | Exactly 1 per post |
| Description | No < or > characters |
| Privacy | Public, private or unlisted |
YouTube settings you can ask for
Say them in plain words, like "title", and Codex sets them on the video.
- Title
- Public, private or unlisted
- Made for kids
- Tags
- Custom thumbnail
If YouTube rejects a video
Codex sees the same message and can fix the video for you.
| What you see | How to fix it |
|---|---|
| You need one media | A YouTube post needs exactly one video. Remove extra files. |
| Your video description is invalid, it may contain disallowed characters such as < or >. | Remove < and > from the description. |
| The maximum allowed is 500 characters in total. | Your tags add up to more than 500 characters. Remove a few tags. |
| Please re-authenticate your YouTube account | Reconnect YouTube in BrokenPost and pick the same channel. |
Good to know
- A YouTube post needs exactly one video.
- Descriptions can not contain < or > characters.
- Codex only posts when you ask. Ask for a draft to check the video in BrokenPost first.
Questions people ask
Can Codex post to YouTube directly?
Yes, through BrokenPost. Connect YouTube in BrokenPost, connect BrokenPost to Codex, and Codex can schedule, draft or publish YouTube videos.
Does Codex know the YouTube limits?
Yes. Codex reads YouTube's rules from BrokenPost before it writes: 5,000 characters (for the description) and exactly 1 video. BrokenPost checks again before it posts.
Can Codex schedule YouTube videos for later?
Yes. Give a day and time, like "Friday at 6pm", and the video goes out then. Ask for a draft if you want to check it first.
Is it free?
Codex 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.
What if I don't have a picture or video?
YouTube needs media on every video. Codex can upload one from a link, use your media library, or make a new picture or video for you.
Which YouTube settings can Codex set?
Title; Public, private or unlisted; Made for kids; Tags; Custom thumbnail.
Can I schedule YouTube Shorts?
Yes. Upload a vertical video and schedule it like any other video.
Can I add a custom thumbnail?
Yes. Add a thumbnail picture in the YouTube settings of your post.
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