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Invoice Chaser

Polite or firm reminders for overdue invoices, matched to each customer's history.

Official Anthropicby AnthropicChecked October 18, 2026

From Anthropic's Small Business plugin, this skill finds who owes you money and drafts the right reminder for each customer. It reads ledgers like QuickBooks or Xero plus payment tools and queues messages for your approval.

Who it is for

  • Small business owners
  • Freelancers
  • Bookkeepers

Prompts to try

Once the skill is installed, ask for the result in plain words. Claude picks the skill up on its own.

Prompt 1
Who owes me money right now?
Prompt 2
Draft reminders for every invoice more than 30 days overdue
Prompt 3
Follow up on the unpaid invoices from last month

How to install it

In Claude Code

  1. /plugin marketplace add anthropics/knowledge-work-plugins
  2. /plugin install small-business@knowledge-work-plugins

In Claude.ai

Listed in Claude's plugin directory for Cowork: add the Small Business plugin from Customize > Plugins on a paid plan, and its skills also load in chat.

Good to know

Has a no-connector mode that works from exported invoice lists.

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How we checked it

Confirmed SKILL.md at small-business/skills/invoice-chase/SKILL.md in anthropics/knowledge-work-plugins via the GitHub API; skill folder last changed 2026-09-15, repo has 29,992 stars and was pushed 2026-10-17; published in Anthropic's knowledge-work-plugins marketplace.

Source: github.com/anthropics/knowledge-work-plugins/tree/main/small-business/skills/invoice-chase

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