In SaaS applications, authentication and authorization are critical. As your platform grows to serve multiple customers, each tenant wants to use their own identity provider (IDP), users need automatic provisioning from corporate directories, and access control must work across tenants. ...
As software engineers, we often work with systems that abstract away the fundamental concepts of operating systems. We deploy containers to Kubernetes, scale web services, and optimize database queries without thinking deeply about the underlying resource management. Yet understanding these foundations becomes crucial when we hit performance walls or design systems that need to handle thousands of concurrent operations efficiently. ...
Model Context Protocol (MCP) enables AI assistants to interact with external tools and services. In this guide, we’ll build a simple calculator server that demonstrates MCP concepts by creating a tool that Claude (or other MCP clients) can use to perform mathematical calculations. ...
In late 2024, I contributed to Tinode Chat1, an open-source chat platform, by adding a link preview feature2. This post highlights implementation details and lessons learned from collaborating with the Tinode community. ...