Name: Inbox Manager
Author: Anthropic

Turn a flooded inbox into a short ranked list, with replies drafted in your voice.

From Anthropic's Small Business plugin, this skill reads your mail and sorts it into what needs you, what is drafted and what is handled. It pulls action items out of long threads and files what is done after you approve.

Who it is for

Small business owners
Executives
Freelancers

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

I have 300 unread emails, what actually needs me?

Prompt 2

Go through my inbox and draft replies to the important ones

Prompt 3

Clean up my email and tell me what deadlines I'm missing

How to install it

In Claude Code

>/plugin marketplace add anthropics/knowledge-work-plugins
>/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

Works from pasted or forwarded email when no mailbox is connected.

Unlock the install steps

Free. Leave your email once to open the install steps for all 149 skills, and get the best new skills each month.

How we checked it

Confirmed SKILL.md at small-business/skills/inbox-manager/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/inbox-manager

Inbox Manager