Guides to Codex prompts for front-end work
Answer in brief
How to work with Codex on design: the task brief, design rules in AGENTS.md, connecting a template library over MCP, and follow-ups that fix a build.
- How to brief Codex for designThe five parts of a front-end task brief for Codex: goal, constraints, design values, files it may touch and a definition of done. With a skeleton to copy.
- Design rules in AGENTS.mdAn AGENTS.md example for front-end work: where design rules go, what to include, and a rules block to copy so every Codex task follows the same system.
- Using the uberdesigner MCP server in CodexHow to connect the uberdesigner template library to Codex over MCP with two terminal commands, and what to ask the agent once it's connected.
- Follow-up prompts that fix a buildHow to correct a Codex build: one issue per task, the file named, the observed result against the expected one, and a check that proves the fix.
Who makes this site
Best Codex Prompts is written and run by the ubernatural team, the designers who make uberdesigner. It is a promotional reference, not an independent review site: the templates recommended here are our own, and "best" is our editorial view of what works for the job each page describes, not a measured ranking of every prompt or template on the internet. This site is not affiliated with or endorsed by OpenAI. Codex is OpenAI's product.
Cite this page: Best Codex Prompts, “Guides to Codex prompts for front-end work”. Reviewed 11 November 2026. https://bestcodexprompts.com/guides/