PostgreSQL FAQs

Question 1

How do I configure my database connection?

Accepted Answer

After installing the extension in your MCP client (e.g., Claude Desktop), you configure required environment variables like POSTGRES_HOST, POSTGRES_DB, POSTGRES_USER, and POSTGRES_PASSWORD directly in its settings panel.

Question 2

What SQL operations are supported?

Accepted Answer

Only SELECT SQL queries are permitted. The connector strictly blocks dangerous operations such as DROP, DELETE, INSERT, UPDATE, CREATE, and ALTER to ensure data safety and prevent unintended modifications.

Question 3

What is the PostgreSQL Connector?

Accepted Answer

It's an MCP server extension that enables secure, read-only interaction with PostgreSQL databases through MCP-compatible clients like Claude Desktop, allowing SQL queries and database information retrieval.

Question 4

What security measures are in place to protect my database?

Accepted Answer

The connector enforces read-only operations by blocking all modifying SQL statements and performs statement-level validation. It also recommends using a dedicated read-only database user for enhanced security.

Question 5

Does this tool provide table schema information?

Accepted Answer

Yes, it includes a dedicated 'get-all-tables' tool that retrieves and displays a list of all tables present in the public schema of your connected PostgreSQL database.

PostgreSQL

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