GitHub Copilot Now Supports MCP — Here's How to Give It Persistent Memory

GitHub Copilot just got MCP. That means you can now connect external tools directly to Copilot's Agent Mode in VS Code. One thing you can do with this: give Copilot memory that persists across sessions. The problem Every time you start a new Copilot chat, it starts from zero. It doesn't know your architecture. It doesn't remember the decision you made last week about the auth flow. It doesn't know that your team uses Zustand instead of Redux, or that the billing module has a quirk with European tax codes. You explain. Again. And again. This isn't a minor inconvenience.