What is the MCP Postgres Server?

The MCP Postgres Server is an implementation of the Model Context Protocol (MCP) that allows AI models, particularly in Cursor, to access and query PostgreSQL databases.

What is MCP (Model Context Protocol)?

MCP is an open protocol standardizing how applications provide context to LLMs.

What are the prerequisites for installing the MCP Postgres Server?

You need Docker and Docker Compose installed on your system.

How do I install and start the MCP Postgres Server?

Clone the repository and run docker-compose up -d.

How do I configure the MCP Postgres Server in Cursor?

Go to Cursor Settings > MCP, add a new connection with type ‘command’, and use the command docker exec -i mcp-postgres-server node dist/index.js.

What if the server doesn’t start correctly?

Check the container logs using docker logs mcp-postgres-server and restart the server using docker-compose restart.

What functionalities does the MCP Postgres Server expose for Cursor?

The server exposes postgres_query for read-only SQL queries, postgres_list_tables for listing tables, and postgres_describe_table for getting a table’s schema.

What is UBOS?

UBOS is a full-stack AI Agent Development Platform focused on bringing AI Agents to every business department. It helps you orchestrate AI Agents, connect them with enterprise data, and build custom AI Agents.