Real AI agent use cases, with sources and setup prompts

Generate an explorable wiki for an imaginary world with Gemini Argon

After experimenting with worldbuilding in Gemini, the author waited until Argon was creative enough, then launched Fakeipedia: describe a world and it writes a full wiki you explore by clicking red links, with choose-your-own-adventure steering.

$2 in / $10 out per 1M tokensSeveral monthsIntermediateSource linked

Source

darajava on Hacker News · 2026-10-16 · Project link

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

What they did

After experimenting with worldbuilding in Gemini, the author waited until Argon was creative enough, then launched Fakeipedia: describe a world and it writes a full wiki you explore by clicking red links, with choose-your-own-adventure steering.

Result (as claimed)

Live at fakeipedia.org; a new article costs $0.90 to cover AI and Stripe fees; 29 points on Show HN.

Tools they used

Cost: Gemini 4 Argon: from $2 in / $10 out per 1M tokens; Stripe: free plan, paid from 2.9% + 30¢.

Set it up

  1. Collect your inputs

    List what goes in (raw footage, script, topic list or audio) and the exact output you want, for example 5 vertical clips under 45 seconds. Put inputs in one folder.

  2. Set up the tools

    Open Gemini 4 Argon, Stripe. Connect accounts only where needed and note any per-minute or per-credit limits on the free plan before you start.

  3. Run one piece end to end

    Make a single output first. Check pacing, captions, voice and framing by watching it on a phone.

  4. Turn it into a repeatable recipe

    Save the prompts and settings that worked as a template so the next run takes minutes, then batch.

  5. Review before you post

    Watch every output before publishing. Check rights for music, likeness and footage, and label AI content where the platform requires it.

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: Generate an explorable wiki for an imaginary world with Gemini Argon
What the original author did: After experimenting with worldbuilding in Gemini, the author waited until Argon was creative enough, then launched Fakeipedia: describe a world and it writes a full wiki you explore by clicking red links, with choose-your-own-adventure steering.
Reported result (as claimed by the author): Live at fakeipedia.org; a new article costs $0.90 to cover AI and Stripe fees; 29 points on Show HN.
Source: https://news.ycombinator.com/item?id=50126334
Tools they used: Gemini 4 Argon, Stripe
Category: Creators & video

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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