kappaemme-git/codex-sell-my-saas-skill

★ 17JavaScriptAudience · pm founderComplexity · 1/5Setup · easy

Mindmap

mindmap
  root((sell-my-saas))
    What it does
      Reads product URL
      Writes social posts
      Three platforms
    Platforms
      X Twitter
      LinkedIn
      Reddit
    Features
      Tone instructions
      Language control
      No fake claims
    How to use
      One install command
      Paste URL to Codex
      Ready to publish
    Tech stack
      JavaScript
      Codex skill

mindmap root((sell-my-saas)) What it does Reads product URL Writes social posts Three platforms Platforms X Twitter LinkedIn Reddit Features Tone instructions Language control No fake claims How to use One install command Paste URL to Codex Ready to publish Tech stack JavaScript Codex skill

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Things people build with this

USE CASE 1

Generate platform-appropriate X/Twitter, LinkedIn, and Reddit launch posts for your product by pasting its URL into Codex.

USE CASE 2

Produce social posts in a language other than English by adding a tone or language instruction to the skill command.

USE CASE 3

Skip writing promotional copy from scratch and get Reddit-safe posts that avoid fake testimonials and generic filler.

Tech stack

JavaScript

Getting it running

Difficulty · easy Time to first run · 5min

In plain English

This is a skill (a small add-on) for Codex, an AI coding assistant made by OpenAI. The skill is called "sell-my-saas" and its job is to take the URL of any software product, startup, or landing page and produce ready-to-publish social media posts for three platforms: X/Twitter, LinkedIn, and Reddit. Installing it takes one command in your terminal. Once installed, you tell Codex to use the skill by typing something like "Use sell-my-saas for https://your-product.com". From there the skill reads the page at that URL, figures out what the product does, who it is for, and what the strongest reasons to buy it are. It then writes one post for each of the three platforms, styled to match how real posts look and sound on each site. You can also pass in tone instructions. The example in the README shows an Italian-language constraint, and the skill will write in Italian or English depending on what you ask. The skill is described as actively avoiding fake testimonials, inflated claims, and the kind of generic promotional copy that gets flagged or ignored on Reddit. The package itself is small: a skill definition file, a file of platform-specific writing patterns, a config file for the OpenAI agent, and an install script. There is no web interface and no server to run. It works entirely through Codex once the files are copied into place. This is useful if you are building or launching a software product and want a quick first draft of social posts without writing them from scratch. It is aimed at solo founders or small teams who already use Codex and want to add a marketing-assist step to their workflow.

Copy-paste prompts

Prompt 1

Install the sell-my-saas Codex skill and generate launch posts for my product at https://myproduct.com. Show me the X, LinkedIn, and Reddit versions.

Prompt 2

I used sell-my-saas to generate a Reddit post but it sounds too promotional. Help me edit it to match r/SideProject tone without losing the product pitch.

Prompt 3

I want to customize the platform writing patterns file in sell-my-saas to add Hacker News as a fourth platform. What format does that file use?

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