Real Agent Cases

Build a blog feature by voice with Codex while cooking

Source date:
Last verified:
Method:
How we verify

Evidence: Screenshots or logsThe source shows screenshots, a transcript or the agent's output.

Outcome

Talking to Codex in voice mode while cooking dinner, the author got a Django newsletters archive with four importers and a pull request, then finished the rest with typed prompts.

Agent

OpenAI Codex (ChatGPT desktop, voice mode)

Prompt Recreated prompt

The source did not publish its exact prompt. This one is our reconstruction from what the source describes.

Build a Newsletters page for my Django blog: add a model and migration for imported newsletters with Django Admin support, import my Substack issues (RSS plus the archive API) and my monthly sponsor newsletters from GitHub, add date-based archive pages and search integration, then create a branch and open a pull request.

Source

https://simonwillison.net/2026/Oct/9/built-using-my-voice/

By Simon Willison · Published Oct 9, 2026 · Added Oct 15, 2026 · Last verified Oct 15, 2026

  • Migrate two websites from WordPress to Wagtail with Claude CodeRecreated promptEvidence: Described by poster

    Over a weekend Claude Code migrated two sites from WordPress to Wagtail (PHP to Python), including server setup, data transfer, testing and fixes, and redesigned a homepage; the poster reports nothing broke and traffic and tools stayed in place.

    Claude Code · Coding · Source date:

  • Claude Code (Sonnet 4.5) wrote every line of code and every test for the datasette-os-info plugin with minimal prompting, and the author shipped it.

    Claude Code · Coding · Source date:

  • From a single informal prompt, Claude Code built a working 3D game for placing buildings and driving around in about four minutes; follow-up prompts added a fire truck, traffic, and fires.

    Reported by One Useful Thing:Working game in about four minutes

    Claude Code · Coding · Source date: