MCP PostgreSQL Read-Only Server

# MCP PostgreSQL Server This is a Model Context Protocol (MCP) server for PostgreSQL database access. ## Features - Secure PostgreSQL database access via MCP - Only allows SELECT queries for security - Reads connection string from MCP_PG_CONNSTR environment variable from .env file - Built with pure JavaScript (no TypeScript) - Proper error handling and logging ## Development Guidelines - Use pure JavaScript for all server code - Implement proper error handling and logging - Follow MCP protocol specifications - Ensure security by only allowing SELECT operations - Read connection string from .env file in project root (the project being edited, not the MCP server directory)