Google Knowledge Graph
Pull structured facts about brands, people, and topics from Google’s Knowledge Graph while you research niches or entity SEO for a solo project.
Overview
Google Knowledge Graph MCP is a MCP server for the Idea phase that searches Google’s Knowledge Graph for structured information about real-world entities from your agent.
What is this MCP server?
- Stdio MCP server (npm @houtini/google-knowledge-graph-mcp v1.0.2) over Google Knowledge Graph Search API
- Returns structured real-world entity metadata for brands, products, people, and places
- Single required secret: GOOGLE_KNOWLEDGE_GRAPH_API_KEY
- Useful for competitor entity checks and launch-phase entity-rich copy without manual KG lookups
- Published server schema 2025-12-11 with GitHub source at houtini-ai/google-knowledge-graph-mcp
- Server version 1.0.2
- 1 required secret environment variable
- stdio transport via npm package @houtini/google-knowledge-graph-mcp
Community signal: 10 GitHub stars.
What problem does it solve?
Manual Knowledge Graph API calls slow down niche research and make it easy to confuse similarly named brands or people when you are working alone.
Who is it for?
Indie builders validating brand or topic entities, writing factual landing pages, or enriching content workflows with KG-backed identifiers.
Skip if: Teams that need full-site SEO crawls, rank tracking, or deep SERP scraping without a Google Cloud API key.
What do I get? / Deliverables
Your agent can fetch structured entity records in-thread so positioning, competitor notes, and entity-aware copy start from Google’s canonical graph data.
- Structured Knowledge Graph hits for queried entities
- In-session entity metadata usable in specs, copy, and research docs
- Repeatable agent-driven entity lookups without leaving the IDE
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Journey fit
Canonical shelf is Idea because entity lookup is a first-pass research tool before you commit positioning, naming, or content angles. Research subphase fits competitive and audience discovery when you need verified entity IDs, types, and descriptions instead of guessing from SERP snippets.
How it compares
MCP integration for Knowledge Graph entity lookup, not an on-site SEO crawler or a general web browser automation skill.
Common Questions / FAQ
Who is Google Knowledge Graph MCP for?
Solo builders and small teams who use Claude Code, Cursor, or other MCP hosts and want entity research inside the coding session.
When should I use Google Knowledge Graph MCP?
Use it during idea research or launch content work when you need structured facts about companies, products, or public figures from Google’s graph.
How do I add Google Knowledge Graph MCP to my agent?
Add the stdio MCP entry for @houtini/google-knowledge-graph-mcp in your host’s MCP settings and set GOOGLE_KNOWLEDGE_GRAPH_API_KEY.