Coding agents (Claude Code, Codex)
FreeFor owners with no coding background: have Claude Code or Codex turn a spreadsheet you rely on into a small, safe tool that runs on your own computer.
Works in Claude Code, Codex, Copilot.
Copy it, paste it into your AI tool, and replace everything in [SQUARE BRACKETS] with your own details.
I run a small business and I am not a programmer. I want you to turn a spreadsheet I use every day into a small internal tool that runs on my own computer. Work carefully and explain things in plain English. The spreadsheet file in this folder: [SPREADSHEET FILE NAME] What my team and I use it for: [WHAT THE SPREADSHEET DOES] What the tool must let us do: [WHAT THE TOOL SHOULD DO] What annoys us about the spreadsheet today: [CURRENT PROBLEMS] How to work: 1. Before writing any code, read the spreadsheet and explain back to me in plain English what it contains and how you understand it is used. Then propose the simplest possible tool and a short step-by-step plan. Wait for my approval. 2. Never change or delete my original spreadsheet. Work on a copy. If this folder is not already using git, ask me before setting it up, then save a checkpoint after each working step. 3. Work in small steps. After each step, tell me what changed and how to try it myself. 4. Ask before installing anything, and tell me what it is and why it is needed. Prefer the fewest, most common tools. 5. Do not read, create or change secrets, passwords, .env files or anything to do with payments. 6. Keep it on my computer only. Never publish, push, upload or deploy anything without my clear approval. 7. If something is unclear, or you are unsure, stop and ask me. Do not guess about my business rules. When finished, give me: how to open the tool, a short guide written for my staff, a list of what the tool does not do yet, and a checklist of things I should test by hand with real examples.
Replace each one with your own details before you send the prompt.
| Fill-in | Example |
|---|---|
| [SPREADSHEET FILE NAME] | job-tracker-2026.xlsx |
| [WHAT THE SPREADSHEET DOES] | Tracks every repair job: customer, device, status, parts ordered, price quoted, date collected |
| [WHAT THE TOOL SHOULD DO] | Add a job with a simple form, see all open jobs on one screen, mark jobs as done, search by customer |
| [CURRENT PROBLEMS] | Staff type dates in different formats and sometimes overwrite each other's rows |
A plain-English explanation of your spreadsheet and a step-by-step plan for your approval, then a small tool built in checkpoints on your computer, with instructions to open it, a staff guide, its limits and a hands-on test checklist.
Keep your own backup copy of the spreadsheet before you start. Test the finished tool by hand: add, edit, search and delete a few real-looking entries and compare the results with your spreadsheet, and try a wrong date or empty field to see what happens.
If the spreadsheet holds sensitive customer, health or payment data, or many people need to use the tool over the internet, talk to a developer about security and hosting before relying on a homemade tool.
Yes, it can build a simple tool from a spreadsheet in a folder on your computer, even if you do not code. Ask it to explain its plan first and test the result yourself with real examples.
No, but you need to read what it proposes, approve steps and test the result. Asking it to work in small steps and explain each one in plain English makes this much easier.
Add a contact form
FreeHave Claude Code or Codex add a contact or booking request form to the website files you already have, safely and step by step, without publishing anything.
Works in Claude Code, Codex, Copilot
Understand your code first
With a planBefore anyone changes your website or app, have Claude Code or Codex map it out in plain English: what it does, where things live, and what is risky to touch.
Works in Claude Code, Codex, Copilot
Fix a bug safely
With a planDescribe a problem in plain words and have Claude Code or Codex find the cause, propose a plan, and fix it in small, reversible steps you approve.
Works in Claude Code, Codex, Copilot
Add tests before changing code
With a planBefore changing an important part of your website or app, have Claude Code or Codex write simple tests that prove it still works afterward.
Works in Claude Code, Codex, Copilot
Set up backup and deploy checklist
With a planHave Claude Code or Codex look at how your website or app is stored and published, then write you a plain backup routine and a step-by-step publish checklist.
Works in Claude Code, Codex, Copilot
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