Real AI agent use cases, with sources and setup prompts

Self-host a Codex-style runner for any coding agent

Built Proliferate, an open-source, self-hostable Codex-style runner for any coding agent.

Free tier1-2 daysAdvancedSource linked

Source

pablo24602 on Hacker News · 2026-08-21 · Project link

Written in our own words. Credit to the original author. Link checked 2026-10-16.

What they did

Built Proliferate, an open-source, self-hostable Codex-style runner for any coding agent.

Result (as claimed)

Open-sourced on GitHub; shared on Show HN (46 points).

Tools they used

OpenAI CodexClaude Code

Cost: OpenAI Codex: free plan, paid from $8/mo; Claude Code: free plan, paid from $17/mo. Checked 2026-10-14.

Set it up

  1. Define the job

    Say exactly what you want done and what the agent may and may not do on your behalf.

  2. Share only what is needed

    Give OpenAI Codex the minimum files or access required. Avoid sharing passwords in chat when a safer login flow exists.

  3. Review the plan

    Ask the agent to show its plan or draft before it acts, and approve each step that has real consequences.

  4. Check the result

    Confirm the outcome yourself (order placed, request sent, document understood) and keep a record.

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: Self-host a Codex-style runner for any coding agent
What the original author did: Built Proliferate, an open-source, self-hostable Codex-style runner for any coding agent.
Reported result (as claimed by the author): Open-sourced on GitHub; shared on Show HN (46 points).
Source: https://news.ycombinator.com/item?id=49390739
Tools they used: OpenAI Codex, Claude Code
Category: Personal & life

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.

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