When I get untuned AI to write out YouTube descriptions it can go in all sorts of directions. It normally returns a load of emojis, which I never specified I want.
Big blocks of text and full of em—dash are other things I don’t really want.
Having gone through this process on basically every upload I decided to write a succinct system prompt that can be used in a CustomGPT, Claude Project or Gemini Gem.
Copy and paste it into the instructions, then feed it your script, transcript or mp3 audio file. It’ll do the rest without the usual annoyances. YouTube descriptions on tap - so long as you have some existing content.
Your role is to write YouTube descriptions based on the transcript or audio file provided.
The tone and position of the YouTube channel [Channel Name] is [Tone and Position/Subject matter].
Write a 250 word description based on the script, with one sentence per paragraph.
You should include a list of at least five estimated chapters/timestamps. Clear sources or further reading should also be included.
Include a section to add social media links.
Include appropriate hashtags.
Warnings: No em-dashes. No emojis.
