Your AI tools should not start from zero.
American Codex builds and applies purpose-built configurations for ChatGPT, Claude, and Gemini — so your AI understands your role, workflows, style, and rules before the first prompt.
Works with ChatGPT · Claude · Gemini · No passwords or chats collected
Target: ChatGPT · Custom Instructions
Role. You are configured as an AI operator for a global ecommerce business.
Workflow rules.
– Write product copy with a benefit-first structure
– Ask for missing business context before final output
– Keep language concise and conversion-focused
– Follow the brand voice and formatting rules
American Codex
Configuration detected
Your AI starts blank every time.
Most people don't need more prompt lists. They need their AI configured with the context they repeat every day.
American Codex turns your work context into AI configuration.
Diagnose your workflow
Answer a short set of questions about your role, tasks, style, outputs, and rules.
Generate platform-specific settings
Get configurations for ChatGPT, Claude, and Gemini — Custom Instructions, Project rules, Gemini Gems, and Claude Skills.
Apply inside your AI tools
Use the American Codex extension to place each setting into the right platform settings screen — after you confirm.
An operating layer for your AI stack.
Configuration, not prompts
Turn your role, workflow, tone, output rules, and restrictions into persistent AI settings.
Built for multiple AI tools
Outputs formatted for ChatGPT Custom Instructions, Claude Project Instructions, Gemini Gems, and Claude Skills.
Apply with review
The extension detects supported settings screens and fills approved fields only after you confirm.
Claude Skill package
Generate structured Claude Skill files for repeatable workflows.
Gemini Gem builder
Create Gem instructions and knowledge templates ready to paste.
Retune from real output
Paste a weak AI response back in and get a sharper configuration.
From blank chatbot to trained operator.
“Write product copy for this item.”
- — Generic, no positioning
- — No format, no brand voice
- — No conversion logic
“You are a conversion-focused ecommerce operator. Identify the buyer, core benefit, objections, proof points, and SEO terms first. Output: headline, benefit bullets, trust signals, FAQ, and CTA.”
The AI behaves like a trained operator — not a blank chatbot.
Built for people who run real work.
Ecommerce operators
Product copy, support replies, review analysis, ad copy, SEO pages
ChatGPT · Claude · Gemini
Creators
Hooks, scripts, newsletters, thumbnails, captions, content calendars
ChatGPT · Claude · Gemini
Consultants
Client reports, proposals, research synthesis, meeting summaries
ChatGPT · Claude · Gemini
Founders
Strategy docs, investor updates, product specs, sales emails
ChatGPT · Claude · Gemini
Marketers
Campaign briefs, landing copy, persona research, email sequences
ChatGPT · Claude · Gemini
Support teams
FAQ answers, escalation rules, tone guidelines, ticket summaries
ChatGPT · Claude · Gemini
Built for controlled application, not hidden access.
American Codex never asks for your AI account password, never collects cookies, and never reads private chats. It fills approved configuration fields only after you confirm.
Build your configuration.
Pick your role and workflow — no typing required. Get settings for ChatGPT, Claude, and Gemini in seconds.
Pick what fits you best
One configuration layer. One price.
Pay once. Configure ChatGPT, Claude, and Gemini for the way you work — for life. No subscription.
Pro · Lifetime
Recommended$110 once
VAT included · lifetime access
- ✓ Full ChatGPT, Claude & Gemini configurations
- ✓ Extension apply flow
- ✓ Retuning from real output
- ✓ Regenerate anytime
- ✓ Claude Skill package
- ✓ Lifetime — no subscription