https://mattiaperetti.it/blog Senior backend engineer writing about backend architecture, application security, and the shift toward agentic AI systems. en-us undefined (Mattia Peretti) undefined (Mattia Peretti) Fri, 03 Jul 2026 00:00:00 GMT https://mattiaperetti.it/blog/building-an-mcp-server-with-mastra https://mattiaperetti.it/blog/building-an-mcp-server-with-mastra I followed the Mastra tutorial to build and publish a simple MCP server, then connected it to a self-built agent and to Claude. Here is what the protocol actually does under the hood and what surprised me. Fri, 03 Jul 2026 00:00:00 GMT undefined (Mattia Peretti) mcpaiagentic-aimastra