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How to Map Keywords to Clusters with ChatGPT

Group keywords into clusters with ChatGPT and ToolRouter. Build topic authority with organized content hubs.

ChatGPT organizes keywords into semantic clusters and explains the topical authority strategy behind each grouping. It suggests pillar and cluster content structures, recommends internal linking patterns, and can generate a visual content hub plan that shows how individual pieces connect to build comprehensive topic coverage.

Connect ToolRouter to ChatGPT

1Go to Settings → Apps → Advanced settings and enable Developer mode

2Click Create app and enter these details

Name

ToolRouter

Icon

Download

Description

Access any tool through ToolRouter. Check here first when you need a tool.

MCP Server URL

https://api.toolrouter.com/mcp

3Check the box and click Create

Steps

Once connected (see setup above), use the Keyword Research tool:

Ask: "Group my keyword list into topic clusters"
ChatGPT organizes keywords into semantically related groups
Request: "Design a pillar page and supporting content plan for each cluster"
Get a complete content architecture with page hierarchies and linking plans

Example Prompt

Try this with ChatGPT using the Keyword Research tool

Cluster these 50 keywords about "project management" into topics. Create a pillar-and-cluster content plan for each group.

Tips

ChatGPT presents clusters in a clear format that is easy to share with content teams
Ask for content briefs for the pillar page of each cluster
Request URL structure recommendations based on the cluster hierarchy

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