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Build and Sell Websites with Codex: A Practical AI Agent Playbook for Freelancers, Consultants, and Solo Builders
Paperback
Series: Codex Capital, Book 2
Publisher: Independently Published
Published: May 23 2026
Pages: 188
Weight: 0.57
Height: 0.40 Width: 6.00 Depth: 9.00
Language: English
Codex has changed. AI-assisted development has changed. The way freelancers and solo builders can create, test, launch, and sell websites has changed with it.
This new edition has been rebuilt around modern agentic workflows rather than simple prompt engineering. It shows how to use Codex as part of a complete production system, from the first client brief to browser verification, deployment, maintenance, and recurring revenue.
You will learn how to:
- structure projects with clear briefs, acceptance criteria, and AGENTS.md
- work with Codex across modern development environments
- build landing pages, business websites, and lightweight web applications
- turn screenshots and references into responsive interfaces
- verify real browser behavior with Playwright and automated checks
- improve accessibility, performance, conversion, and modern SEO
- build forms, payments, dashboards, authentication, and integrations
- add practical AI features using current agentic API patterns
- manage permissions, secrets, security, and production boundaries
- move safely from preview to production
- manage client projects from discovery to final handoff
- package website services into clear offers
- build recurring revenue through maintenance and ongoing improvements
- create reusable workflows with Skills, MCP, subagents, worktrees, and automations
- build a portfolio and start selling through a structured 90-day roadmap
The Second Edition also includes:
- 25 practical Codex web-building recipes
- a reusable project brief template
- an AGENTS.md template
- launch, security, handoff, and maintenance checklists
- a complete 90-day builder-to-business action plan
This is not a book about asking AI to make me a website.
It is about building a reliable system in which AI helps you research, plan, code, inspect, test, refine, deploy, and maintain real websites that solve real business problems.
The goal is not simply to generate more code.
The goal is to build better websites faster, deliver work you can stand behind, and turn that capability into a business.
Build and Sell Websites with Codex: Second Edition is written for freelancers, consultants, creators, independent developers, and solo builders who want to use modern AI coding agents commercially without treating generated output as finished work.
No professional programming background is required. You do need to be willing to inspect, test, verify, and improve what the agent produces.
If you want to move from idea to working website to paying client, this edition gives you a current, practical system for doing it.
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