Dev Containers: The Missing Runtime for Agentic Teams

The agentic era of software engineering is already here. We have moved beyond autocomplete into a world where tools like Claude Code and Cursor can inspect codebases, run tests, refactor modules, and propose meaningful changes with very little supervision. But there is still a quiet productivity killer in many AI-assisted workflows: environmental friction. If you have ever watched an agent fail because a compiler is missing, a runtime version is wrong, or a dependency exists on one machine but not another, then you have seen the real problem.