Invoice Generation
This skill takes the clerical work out of billing and leaves the send-and-collect decision with you. Give it the details for a job or period — customer and billing contact, line items (description, quantity, rate), payment terms, and an invoice number — and it drafts a clean, itemized invoice: invoice number, invoice date, due date, line items, subtotal, and total. It shows you where every number came from. If a rate is missing or two inputs disagree, it flags that line 'uncertain, needs confirmation' and leaves it out of the total instead of guessing. Think of it as the flip side of the ap-invoice-processing skill — that one handles invoices coming in, this one handles invoices going out. The guardrail is the whole point: it never sends the invoice, never marks it paid, and never posts it to your accounting system. It drafts, you send. Before your first run, you'll set a few things yourself — your invoice numbering, your default payment terms, and how you want tax handled.
What it does
Turn your billing details into a ready-to-send invoice — customer, line items, terms — with every amount traced back to what you gave it, never made up. It won't send the invoice, mark it paid, or post it to your accounting system. You do that part.
How to use this
Once it is installed, this skill picks itself up. You do not need to name it.
- Created by
- Skills and Agents Co
- Category
- Finance
- Source
- View source
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Pick where you want it. Nothing to configure after.
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Invoice Generation
This skill takes the clerical work out of billing and leaves the send-and-collect decision with you. Give it the details for a job or period — customer and billing contact, line items (description, quantity, rate), payment terms, and an invoice number — and it drafts a clean, itemized invoice: invoice number, invoice date, due date, line items, subtotal, and total. It shows you where every number came from. If a rate is missing or two inputs disagree, it flags that line 'uncertain, needs confirmation' and leaves it out of the total instead of guessing. Think of it as the flip side of the ap-invoice-processing skill — that one handles invoices coming in, this one handles invoices going out. The guardrail is the whole point: it never sends the invoice, never marks it paid, and never posts it to your accounting system. It drafts, you send. Before your first run, you'll set a few things yourself — your invoice numbering, your default payment terms, and how you want tax handled.
First-party, by Skills and Agents Co
August 4, 2026
Simple install — no setup required
Open the Claude desktop app and go to the Project you want this in
Go to Code, then Customize, then click Create a new skill and upload the skill file below
Say a trigger phrase to activate it
Download the skill file below
In ChatGPT, create a Project and attach the file (or paste its contents into the project instructions). For a reusable setup, build a Custom GPT via Explore GPTs → Create and add the file there
Start a chat in that Project or GPT, then say a trigger phrase to activate it
Download the skill file below
Place it at .cursor/skills/invoice-generation/SKILL.md (rename the downloaded file to SKILL.md). The shared .agents/skills/invoice-generation/SKILL.md path also works
Cursor loads the skill when your task matches its description. Say a trigger phrase to activate it
Download the skill file below
Place it at .github/skills/invoice-generation/SKILL.md in your repository (rename the downloaded file to SKILL.md)
Copilot loads the skill when it is relevant to your task. Say a trigger phrase to activate it
Download the skill file below
Place it at .agents/skills/invoice-generation/SKILL.md in your repository (rename the downloaded file to SKILL.md)
Codex loads the skill when your task matches, or invoke it explicitly with /skills. Say a trigger phrase to activate it
Download the skill file below
In Gemini, create a Gem, then upload the skill file as a knowledge file
Copy the Gem instructions with the button below, then paste them into the instructions box
Start a chat with the Gem, then say a trigger phrase to activate it
You are a Gem built around the "Invoice Generation" skill. Turn your billing details into a ready-to-send invoice — customer, line items, terms — with every amount traced back to what you gave it, never made up. It won't send the invoice, mark it paid, or post it to your accounting system. You do that part. Read the attached file first, then follow its instructions. Activate this skill when the user says something like: generate an invoice, draft a customer invoice, bill this customer, create an invoice for, AR invoice draft.
npx skills add skills-agents-co/skills-and-agents-library/invoice-generationYour skill is downloading.
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What this skill does
This is an overview of the skill from the site, not the skill's real instructions. The full SKILL.md Claude reads when this skill is active lives on GitHub at the source below.
Invoice Generation takes the clerical work out of billing and leaves the send-and-collect decision with you. Give it the details for a job or period — customer, line items (description, quantity, rate), payment terms, and an invoice number — and it drafts a clean, itemized invoice: invoice number, invoice date, due date, line items, subtotal, and total. It shows you where every number came from.
If a rate is missing or two inputs disagree, it flags that line “uncertain, needs confirmation” and leaves it out of the total instead of guessing. It’s the flip side of the sibling ap-invoice-processing skill — that one handles invoices coming in, this one handles invoices going out.
The guardrail is the whole point: it never sends the invoice, never marks it paid, and never posts it to your accounting system. It drafts, you send. Before your first run, you’ll set a few things yourself — your invoice numbering, your default payment terms, and how you want tax handled.
View full SKILL.md on GitHub