Latest VS Code update introduces prepackaged bundles of chat customizations that can include skills, commands, agents, MCP ...

Barrel files are convenient, but they often come with trade-offs including: Performance and memory: they artificially inflate the module graph and slow down startup times, HMR, and CI pipelines.

Visual Studio Code 1.110 (February 2026) adds new agent extensibility, browser-driving chat tools, and expanded chat accessibility.