Real AI agent use cases, with sources and setup prompts

Turn Claude Code or Codex into your video editor

To never edit a video by hand again, a builder made OpenFilm, which turns Claude Code, Codex or any AI agent into a video editor. The launch video was itself made with it.

$17/mo30 minutesIntermediateSource linked

Source

@riverisbuilding on X · 2026-10-18

Written in our own words. Credit to the original author. Link checked 2026-10-19.

What they did

To never edit a video by hand again, a builder made OpenFilm, which turns Claude Code, Codex or any AI agent into a video editor. The launch video was itself made with it.

Result (as claimed)

Free and open source.

Tools they used

Claude CodeOpenAI Codex

Cost: Claude Code: from $17/mo; OpenAI Codex: free plan, paid from $8/mo.

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 Claude Code, OpenAI Codex. 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: Turn Claude Code or Codex into your video editor
What the original author did: To never edit a video by hand again, a builder made OpenFilm, which turns Claude Code, Codex or any AI agent into a video editor. The launch video was itself made with it.
Reported result (as claimed by the author): Free and open source.
Source: https://x.com/riverisbuilding/status/2111950293923447106
Tools they used: Claude Code, OpenAI Codex
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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Guides for this use case

How to make faceless YouTube videos with AI · How to vibe code an app with Claude Code · How to run multiple coding agents together

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