Running vscode.dev Against Local VS Code Sources The repo is the server. When run locally with , it serves the VS Code web workbench (or Agents window at ) from the sibling checkout. This is the fastest way to validate web-only changes to the workbench without shipping an Insiders build. Layout assumption and must be sibling folders: If your paths differ, check in for the source root resolution — the route maps to . Start the dev server Critical: Run from the folder, NOT from . The repo has no script and will fail with . Terminal tools that simplify/strip leading into separate commands will s…