Postgres FAQs

Question 1

What is Postgres MCP?

Accepted Answer

Postgres MCP is a Model Context Protocol implementation for PostgreSQL databases, providing a standardized interface for AI agents to interact with PostgreSQL through well-defined commands.

Question 2

What are the main features of Postgres MCP?

Accepted Answer

Key features include connection management with pooling, SQL validation, support for executing SELECT, INSERT, UPDATE, and DELETE operations, and the ability to create, drop, and describe tables and indexes.

Question 3

How do I install Postgres MCP?

Accepted Answer

You can install Postgres MCP using Cargo with the command: `cargo install postgres-mcp`.

Question 4

What dependencies does Postgres MCP have?

Accepted Answer

Postgres MCP requires Rust 1.70 or later, PostgreSQL 12 or later, and specific Rust crates like anyhow, arc-swap, sqlx, rmcp, schemars, sqlparser, and tokio with the specified features.

Question 5

How can I register a database connection using Postgres MCP?

Accepted Answer

Use the command `pg_mcp register "postgres://postgres:postgres@localhost:5432/postgres"`.  This returns a connection ID for use in subsequent commands.

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