PostgreSQL

A Model Context Protocol server that provides read-only access to PostgreSQL databases. This server enables LLMs to inspect database schemas and execute read-only queries.

Installation Instructions

How to Use Model Context Protocol (MCP) in Claude Code

What is MCP?

Model Context Protocol (MCP) is a protocol that enables LLMs to access custom tools and services. Claude Code can connect to MCP servers to access additional tools and capabilities.

Configuration Steps

Add MCP Server
- Run: claude mcp add <server-name>
- Or manually edit ~/.claude/claude_desktop_config.json
Configure MCP Servers
- Specify servers in the JSON configuration
- Include necessary arguments and environment variables

Example Configuration

Filesystem Server Example:

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem",
        "/path/to/allowed/files"
      ]
    }
  }
}

Important Notes

MCP servers extend Claude Code's capabilities
Only servers using the stdio transport type are supported
See the Claude Code documentation for more details