Knowledge Graph RDBMS vs Postgres
Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
Creates and queries a knowledge graph stored in a SQLite database using entities and relationships.
Comparison
| Feature | Knowledge Graph RDBMS | Postgres |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | 1 |
| Rating | — | — |
| Verified | — | — |
| Hosted | — | — |
| Tools | — | 4 |
| Category | data | data |
| Author | cunicopia-dev | Anthropic |
| Repo | cunicopia-dev/knowledge-graph-rdbms | crystaldba/postgres-mcp |
When to pick Knowledge Graph RDBMS
Creates and queries a knowledge graph stored in a SQLite database using entities and relationships.
When to pick Postgres
Connect Claude to any Postgres. Ask questions in English, get SQL + results. Schema-aware, read-only safe mode by default.
Looking for something else? Browse all MCPs or check trending this week.