Question 1

What are Claude Cowork plugins?

Accepted Answer

Plugins are installable packages that add specialized capabilities to Claude Cowork. Each plugin bundles domain knowledge, tool integrations, slash commands, and sub-agents into a single unit. They let Claude handle tasks in specific areas like finance, sales, engineering, and more.

Question 2

How do I install Claude Cowork plugins?

Accepted Answer

Open the Claude Desktop app, switch to the Cowork tab, and click Customize in the left sidebar. You can browse available plugins and install them with one click. Installed plugins take effect immediately in your next session.

Question 3

Are Claude Cowork plugins free?

Accepted Answer

Plugins are included with all paid Claude plans (Pro, Max, Team, and Enterprise). There is no additional cost per plugin. You need an active paid subscription to access the Cowork tab and its plugin library.

Question 4

Are Claude Cowork plugins made by Anthropic?

Accepted Answer

Most plugins are built by Anthropic. Others come from third-party partners: Slack, Apollo, and Common Room provide their own integration plugins, Brand Voice is built by Tribe AI, S&P Global is built by Kensho Technologies, and LSEG is built by LSEG. All plugins in the official library are reviewed and verified by Anthropic.

Question 5

Is there a Claude Cowork plugin marketplace?

Accepted Answer

The plugin library is built into the Claude Desktop app under the Cowork tab. You can also view individual plugin pages at claude.com/plugins. There is no separate app store. All plugins are distributed through Anthropic's official library.

Question 6

What are the best Claude Cowork plugins to start with?

Accepted Answer

It depends on your role. For general productivity, start with the Productivity plugin. Sales teams benefit most from the Sales and Apollo plugins. Engineers should try the Engineering plugin. Finance professionals should look at Financial Analysis as a foundation, then add specialized plugins like Equity Research or Private Equity.

Question 7

Are Claude Cowork plugins available on GitHub?

Accepted Answer

Yes. Anthropic publishes the source code for core Cowork plugins at github.com/anthropics/knowledge-work-plugins under an Apache 2.0 license. You can use these as templates to build your own plugins. The Cowork Plugin Management plugin also lets you create custom plugins using MCP servers.

Question 8

How many Claude Cowork plugins are there?

Accepted Answer

There are currently 26 plugins available across four categories: Business, Technical, Finance, and Integrations. Anthropic adds new plugins regularly, so this number grows over time.

Claude Cowork Plugins

What Are Plugins?

Plugin List & Features

Productivity

Sales

Customer Support

Product Management

Marketing

Legal

Finance

Human Resources

Operations

Enterprise Search

Bio Research

Brand Voice

Engineering

Design

Data

Cowork Plugin Management

Financial Analysis

Investment Banking

Equity Research

Private Equity

Wealth Management

S&P Global

LSEG

Slack

Apollo

Common Room

More Plugins on the Way

Frequently Asked Questions