# claudetag.run > Independent educational guide to Claude Tag in Slack. claudetag.run is an independent guide that helps users understand and navigate the transition to the new Claude Tag integration in Slack. ## What is Claude Tag? Claude Tag is the new integration mechanism for using Anthropic's Claude AI inside Slack. It replaces the legacy "Claude in Slack" free app. With Claude Tag, users can seamlessly @mention Claude within their Slack workspaces, but it requires linking to a paid Claude subscription (Pro or Team). ## Key Resources - [Home](https://claudetag.run) - Overview of Claude Tag - [Setup Guide](https://claudetag.run/setup) - How to install and configure Claude Tag - [Pricing Guide](https://claudetag.run/pricing) - Cost details and transition timeline - [Compare](https://claudetag.run/compare) - Claude Tag vs. the legacy Slack app - [Demo](https://claudetag.run/demo) - Interactive simulation of Claude Tag in action - [Examples](https://claudetag.run/examples) - Use cases and prompts ## Pricing & Machine-Readable Data - For AI agents checking pricing, please see [pricing.txt](https://claudetag.run/pricing.txt) ## Important Notice claudetag.run is an independent educational guide. We are not affiliated with, endorsed by, or sponsored by Anthropic, Slack, or Salesforce. All dates, prices, and capabilities are drawn from public press coverage and are subject to change by Anthropic.