Invoice Skill

SkillMedia

Lets your agent create a printable invoice page with line items, tax, totals, and payment details.

Available today. Use it from your connected AI after setup.

Connect ahel once, and every AI you use reads what you have installed.

Then ask your AI: use the Invoice Skill skill

About this capability

A printable invoice page — sender + recipient block, line items table, tax breakdown, totals, and payment instructions. Use when the brief mentions "invoice", "bill", "billing statement", or "发票".

What this skill tells your AI

The instructions your AI receives, as published by nexu-io/open-design in design-templates/invoice/SKILL.md and read by ahel’s review.

Produce a single-page printable invoice.

Workflow

  1. Read DESIGN.md.
  2. Layout:
    • Top band: studio brand on the left, "INVOICE" + number + date + due date on the right.
    • Two columns: From (sender) / Bill to (recipient) with addresses.
    • Project ref + payment-terms strip.
    • Line items table: description / qty / unit / amount.
    • Right-aligned totals block: subtotal, retainer, tax, total due.
    • Payment instructions (bank, wire, ACH).
    • Thank-you note + signature line.
  3. Print stylesheet @media print to remove backgrounds.

Output contract

<artifact identifier="invoice-name" type="text/html" title="Invoice">
<!doctype html>...</artifact>

Signals

GitHub stars
95k
Forks
11k
Last commit
Sep 2026
Hacker News mentions
20
Advanced
Catalog kind
skill
Gateway key
invoice-nexu-io
Source
github.com/nexu-io/open-design