Frequently Asked Questions about FastPostgresMCP

Q: What is FastPostgresMCP? A: FastPostgresMCP is a full-featured Model Context Protocol (MCP) server designed for AI Agents to interact with multiple PostgreSQL databases. It provides a fast, type-safe, and secure way for AI agents to list tables, inspect schemas, and execute queries.

Q: What is MCP (Model Context Protocol)? A: MCP is an open protocol that standardizes how applications provide context to LLMs, allowing AI models to access and interact with external data sources and tools.

Q: What are the prerequisites for using FastPostgresMCP? A: You need to have Bun (v1.0 or later recommended) installed and in your PATH, as well as access to PostgreSQL databases with the necessary credentials and permissions.

Q: How do I install FastPostgresMCP? A: You can install it globally via NPM (npm install -g postgres-mcp) or clone the repository and install dependencies using bun install.

Q: How do I configure FastPostgresMCP to connect to my databases? A: You configure database connections via environment variables in .env files. You need to define database aliases and connection details for each alias.

Q: How do I run the FastPostgresMCP server? A: You can run the server using postgres-mcp (if installed globally), npx postgres-mcp (if installed locally in your project), or bun run src/index.ts (if running from the cloned repository).

Q: How do I connect my AI client (e.g., Cursor, Claude Desktop) to FastPostgresMCP? A: You need to configure your AI client to execute the FastPostgresMCP server script via its command/args mechanism. Refer to the documentation for specific instructions for each client.

Q: What security measures are in place to protect my data? A: FastPostgresMCP uses parameterized queries to prevent SQL injection attacks and provides optional API key authentication for secure network connections.

Q: What are the available tools in FastPostgresMCP? A: The available tools include query_tool (for executing read-only SQL queries), execute_tool (for executing data-modifying SQL statements), schema_tool (for retrieving schema information), and transaction_tool (for executing multiple SQL statements atomically).

Q: What resources are exposed by FastPostgresMCP? A: FastPostgresMCP exposes resources for listing database tables (db://{dbAlias}/schema/tables) and inspecting table schemas (db://{dbAlias}/schema/{tableName}).

Q: Can I use FastPostgresMCP programmatically as a library? A: Yes, you can use FastPostgresMCP programmatically in your Node.js/TypeScript applications. Refer to the documentation for details on the programmatic API.

Q: What is UBOS and how does it relate to FastPostgresMCP? A: UBOS is a Full-stack AI Agent Development Platform that complements FastPostgresMCP by providing a comprehensive environment for building, orchestrating, and deploying AI agents.

Q: Where can I find the license for FastPostgresMCP? A: The project is licensed under the MIT License. See the LICENSE file for details.