Knowledge-graph text analysis tool that surfaces topics and content gaps for research, SEO and market analysis.
What it does
InfraNodus represents text as a network knowledge graph, revealing key topics, clusters and the structural gaps between them, then uses built-in AI or its MCP server to generate insights, questions and ideas from documents, search results, surveys, YouTube and more.
Core features
Text network / knowledge graph visualization
Topic modeling and content-gap detection
AI insight and question generation
GraphRAG and MCP server for LLMs
Many import sources (PDF, CSV, YouTube, Google, web)
Obsidian plugin and browser extension
Best for
→Research and idea generation
→SEO content-gap analysis
→Qualitative and market research
Toolspool rankingby monthly traffic
Reviews
Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.
Tutorials
Step-by-step: exactly how to get things done with it.