Erdlens vs PostgreSQL
Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
MCP server that reads your database schema from SQL DDL, Prisma, Drizzle, TypeORM, or SQLAlchemy, generates a Mermaid ER diagram, and writes it into your docume
Read-only database access with schema inspection.
Comparison
| Feature | Erdlens | PostgreSQL |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | — |
| Rating | — | — |
| Verified | — | |
| Hosted | — | — |
| Tools | — | — |
| Category | data | data |
| Author | ryanda9910 | modelcontextprotocol |
| Repo | ryanda9910/erdlens | modelcontextprotocol/servers-archived |
When to pick Erdlens
MCP server that reads your database schema from SQL DDL, Prisma, Drizzle, TypeORM, or SQLAlchemy, generates a Mermaid ER diagram, and writes it into your documentation, with drift detection to keep diagrams up-to-date.
When to pick PostgreSQL
Read-only database access with schema inspection.
Looking for something else? Browse all MCPs or check trending this week.