How I combined MCP, Python and PostgreSQL into a single workflow

Model Context Protocol (MCP) is quietly becoming one of the most transformative technologies of 2025. Introduced just this March, MCP has already been embraced by the majority of major AI platforms – and an open-source ecosystem has sprung up around it at breakneck speed.

With the rapid adoption of large language models (LLMs), it became clear early on that real-world enterprise applications require something more than general AI knowledge. To be genuinely useful, especially within companies, models need to work not just with their own training data, but with internal company data—data that lives behind firewalls,...

If you've already set up a vector database—I've previously covered the basics on this blog—you know how powerful they can be for semantic searches, document retrieval, clustering related content, and much more. But trust me, the real excitement kicks in when you combine this database with a Large Language Model (LLM).