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Behind the Craft · Sunday, July 26, 2026

Custom Skills in Codex: Email, Tweets, and Content Transformation

Jason Liu highlights the extensibility of Codex through custom skills, showcasing examples like an 'email me' skill, a 'tweet me' skill, and skills that convert voice transcripts into blog posts or videos into video essays. These custom solutions enhance personal productivity and content creation workflows.

companyCodex

The tape

3 quotes
“Yeah, so I have my personal, you know, repo of all the skills that I use for my personal website.”
“So I have an email me skill, right? I have a tweet me skill.”
“I have a skill that turns my voice transcripts into blog posts. I have skills that turn videos of me into video essays.”
Heard on Behind the Craft — “ChatGPT Work + Codex Tutorial: My Complete System at OpenAI | Jason Liu”, published Sunday, July 26, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.
Transcribed via Gemini audio transcription · $0.05
Custom Skills in Codex: Email, Tweets, and Content Transformation — Heardvine