ReddRadar
Agent skill
keyword-cluster-builder
Techniques for expanding seed keywords and clustering by topic and intent. Use when building keyword lists, planning content calendars, or identifying topic clusters for pillar content strategy.
Install this agent skill to your Project
npx add-skill https://github.com/MadAppGang/claude-code/tree/main/plugins/seo/skills/keyword-cluster-builder
SKILL.md
plugin: seo updated: 2026-01-20
Keyword Cluster Builder
When to Use
- Expanding seed keywords to comprehensive lists (50-100+)
- Grouping keywords by topic for pillar content strategy
- Mapping keywords to funnel stages
- Identifying content gaps in keyword coverage
Expansion Techniques
Question Modifiers
- What is {keyword}
- How to {keyword}
- Why {keyword}
- When to {keyword}
- Where to {keyword}
Comparative Modifiers
- {keyword} vs {competitor}
- {keyword} alternatives
- best {keyword}
- {keyword} comparison
Intent Modifiers
- {keyword} guide
- {keyword} tutorial
- {keyword} examples
- {keyword} template
- buy {keyword}
- {keyword} pricing
Audience Modifiers
- {keyword} for beginners
- {keyword} for {industry}
- {keyword} for small business
- {keyword} for enterprise
Clustering Algorithm
- Extract Seed Topics: Identify main themes from expanded list
- Group by Semantic Similarity: Keywords with overlapping meaning
- Map Intent: Assign I/C/T/N to each cluster
- Identify Pillar: Highest-volume, broadest term = pillar
- Map Supporting: Lower-volume terms support pillar
Cluster Structure
PILLAR: "content marketing" (highest volume)
+-- CLUSTER: "content marketing strategy" (commercial)
| +-- content marketing plan template
| +-- content marketing framework
| +-- how to create content marketing strategy
+-- CLUSTER: "content marketing examples" (informational)
| +-- B2B content marketing examples
| +-- content marketing case studies
| +-- content marketing success stories
+-- CLUSTER: "content marketing tools" (commercial)
+-- best content marketing tools
+-- content marketing software
+-- content marketing platforms
Intent Classification Rules
| Signal | Intent |
|---|---|
| "what is", "how to", "guide" | Informational |
| "best", "vs", "review", "compare" | Commercial |
| "buy", "price", "discount", brand | Transactional |
| Brand name, specific product | Navigational |
Output Format
When generating keyword clusters, use this format:
## Keyword Cluster Report
**Seed Keyword**: {seed}
**Total Keywords**: {count}
**Clusters**: {cluster_count}
### Cluster 1: {cluster_name}
**Intent**: {intent}
**Funnel Stage**: {stage}
**Keywords**:
1. {keyword1} - {estimated_volume}
2. {keyword2} - {estimated_volume}
...
### Cluster 2: {cluster_name}
...
Recommended Agent Skills
Expand your agent's capabilities with these related and highly-rated skills.
MadAppGang/claude-code
test-skill
A test skill for validation testing. Use when testing skill parsing and validation logic.
MadAppGang/claude-code
bad-skill
MadAppGang/claude-code
claudish-usage
CRITICAL - Guide for using Claudish CLI ONLY through sub-agents to run Claude Code with OpenRouter models (Grok, GPT-5, Gemini, MiniMax). NEVER run Claudish directly in main context unless user explicitly requests it. Use when user mentions external AI models, Claudish, OpenRouter, or alternative models. Includes mandatory sub-agent delegation patterns, agent selection guide, file-based instructions, and strict rules to prevent context window pollution.
MadAppGang/claude-code
release
Plugin release process for MAG Claude Plugins marketplace. Covers version bumping, marketplace.json updates, git tagging, and common mistakes. Use when releasing new plugin versions or troubleshooting update issues.
MadAppGang/claude-code
claudish-integration
MadAppGang/claude-code
openrouter-trending-models
Fetch trending programming models from OpenRouter rankings. Use when selecting models for multi-model review, updating model recommendations, or researching current AI coding trends. Provides model IDs, context windows, pricing, and usage statistics from the most recent week.
Didn't find tool you were looking for?