Question 1

What is `mcp-server-postgres`?

Accepted Answer

`mcp-server-postgres` is a Model Context Protocol (MCP) server that allows Large Language Models (LLMs) to securely access and query PostgreSQL databases in a read-only manner.

Question 2

How does `mcp-server-postgres` ensure data security?

Accepted Answer

It enforces read-only access, executing all queries within READ ONLY transactions. It is recommended to create a dedicated read-only user in your PostgreSQL database for enhanced security.

Question 3

What are the main features of `mcp-server-postgres`?

Accepted Answer

Key features include read-only database access, schema inspection capabilities, Docker support, and an NPM package for easy integration.

Question 4

How do I install `mcp-server-postgres`?

Accepted Answer

You can install it using Docker or via Smithery. Instructions for both methods are provided in the documentation.

Question 5

What is Smithery?

Accepted Answer

Smithery is a tool that simplifies the installation and management of MCP servers.

Question 6

How do I configure Claude Desktop to use `mcp-server-postgres`?

Accepted Answer

You need to add a configuration block to your `claude_desktop_config.json` file, specifying the command and arguments for running the `mcp-server-postgres` server.

Question 7

What is the connection URL format for PostgreSQL?

Accepted Answer

The connection URL format is `postgresql://[user][:password]@host[:port]/database`, where you should replace `/database` with your database name.

Question 8

Can I use `mcp-server-postgres` with databases running on my host machine when using Docker on macOS?

Accepted Answer

Yes, use `host.docker.internal` as the host in the connection URL if your PostgreSQL server is running on the host network.

Question 9

What kind of queries can LLMs execute through `mcp-server-postgres`?

Accepted Answer

LLMs can only execute read-only queries. This means they can select data but cannot modify or delete any data.

Question 10

Is `mcp-server-postgres` open source?

Accepted Answer

Yes, it is released under the MIT License.

Question 11

How can I contribute to `mcp-server-postgres`?

Accepted Answer

Contributions are welcome! Feel free to submit a Pull Request.

Question 12

How does `mcp-server-postgres` integrate with the UBOS platform?

Accepted Answer

`mcp-server-postgres` provides a secure way for AI Agents on the UBOS platform to access and utilize data stored in PostgreSQL databases. This allows UBOS users to build more sophisticated and data-driven AI applications.

Question 13

What if I have other databases besides Postgres?

Accepted Answer

You can check if there are other MCP server options at [https://smithery.ai/](https://smithery.ai/).

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