Build your own social media management tool

Built Brightbean Studio, a social media management tool, in three weeks with Claude and Codex.

Free tier3 weeksAdvancedSource linked

Source

JanSchu on Hacker News · 2026-04-13 · Project link

Written in our own words. Credit to the original author. Link checked 2026-10-14.

What they did

Built Brightbean Studio, a social media management tool, in three weeks with Claude and Codex.

Result (as claimed)

Open-sourced on GitHub.

Tools they used

Claude OpenAI Codex

Cost: OpenAI Codex: free plan, paid from $8/mo. Checked 2026-10-14.

Set it up

Pick one goal and metric
For example replies to outreach, ad ideas per week or landing page conversion.
Set up the tools
Open Claude, OpenAI Codex. Load your offer, audience and examples of what already works.
Generate, then review
Have the agent research and draft. You approve every message, post or ad before it goes out.
Measure and iterate
Track the metric for a week, keep what works and feed the results back into the prompt.

Copy the full setup prompt

Paste into your agent and it will walk you through the setup, asking before anything that sends, posts or spends.

You are helping me set up this AI use case end to end in Claude Code.

Goal: Build your own social media management tool
What the original author did: Built Brightbean Studio, a social media management tool, in three weeks with Claude and Codex.
Reported result (as claimed by the author): Open-sourced on GitHub.
Source: https://news.ycombinator.com/item?id=47749674
Tools they used: Claude, OpenAI Codex
Category: Marketing & growth

Please:
1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like).
2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure.
3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data.
4. Finish with a checklist to run it again next time.

You are helping me set up this AI use case end to end in Codex.

Goal: Build your own social media management tool
What the original author did: Built Brightbean Studio, a social media management tool, in three weeks with Claude and Codex.
Reported result (as claimed by the author): Open-sourced on GitHub.
Source: https://news.ycombinator.com/item?id=47749674
Tools they used: Claude, OpenAI Codex
Category: Marketing & growth

Please:
1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like).
2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure.
3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data.
4. Finish with a checklist to run it again next time.

You are helping me set up this AI use case end to end in Grok Bot.

Goal: Build your own social media management tool
What the original author did: Built Brightbean Studio, a social media management tool, in three weeks with Claude and Codex.
Reported result (as claimed by the author): Open-sourced on GitHub.
Source: https://news.ycombinator.com/item?id=47749674
Tools they used: Claude, OpenAI Codex
Category: Marketing & growth

Please:
1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like).
2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure.
3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data.
4. Finish with a checklist to run it again next time.