概要
What is MCP PostgreSQL Server?
A Model Context Protocol server that enables AI models to interact with PostgreSQL databases through a standardized interface. It provides database operations such as connecting, querying, executing statements, and listing schemas and tables.
How to use MCP PostgreSQL Server?
Install via npm (npm install mcp-postgres-server) or run directly with npx mcp-postgres-server. Configure environment variables for database credentials (host, port, user, password, database). Then use the available MCP tools: connect_db, query, execute, list_schemas, list_tables, describe_table.
Key features of MCP PostgreSQL Server
- Secure connection handling with automatic cleanup
- Prepared statement support to prevent SQL injection
- Supports PostgreSQL-style ($1, $2) and MySQL-style (?) parameter placeholders
- Comprehensive error handling with detailed messages
- TypeScript support
- Automatic connection management
- Multi-schema support for database operations
Use cases of MCP PostgreSQL Server
- Querying data from PostgreSQL tables using SELECT statements
- Executing INSERT, UPDATE, and DELETE operations securely
- Exploring database structure by listing schemas, tables, and describing columns
- Integrating AI models with existing PostgreSQL databases for data retrieval
FAQ from MCP PostgreSQL Server
How does the server prevent SQL injection?
It uses prepared statements for all queries, securely handling parameterized inputs to avoid injection.
What parameter placeholder styles are supported?
Both PostgreSQL-style ($1, $2) and MySQL
