Update dependencies and posgresql version support.

Author: Temp

README.md

@@ -23,7 +23,7 @@ A **PostgreSQL MCP Server** that enables AI assistants (Claude, Cursor, etc.) to
 ### Prerequisites
 
 - Node.js 18+
-- PostgreSQL 12+ server
+- PostgreSQL 12-18 (tested with PostgreSQL 18.1)
 - npm or yarn
 
 ### Installation

package-lock.json

@@ -44,7 +44,7 @@
     },
     "dependencies": {
         "@modelcontextprotocol/sdk": "^1.0.0",
-        "commander": "^12.0.0",
+        "commander": "^14.0.0",
         "jose": "^6.0.0",
         "pg": "^8.13.0",
         "zod": "^4.1.13"