Question 1

What does the rails pg extras mcp server do?

Accepted Answer

Use a minimally privileged, [read-only user](#least-responsibility) to eliminate the risk of data modification or exposure. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

Question 2

How do I install the rails pg extras mcp server?

Accepted Answer

Use a recorded configuration for your client, replace example credential values and paths, and verify the documented runtime. Restart or reconnect the client, then inspect the available tools.

Question 3

What credentials does it need?

Accepted Answer

It reads `RAILS_PG_EXTRAS_MCP_DATABASE_URL` from the environment. Store these in your client's env block or a secrets manager — never commit them to a repository — and grant the narrowest scope that still covers your use case.

Rails Pg Extras MCP Server

What is the Rails Pg Extras MCP Server?

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