diff --git a/mcp/pnpm-workspace.yaml b/mcp/pnpm-workspace.yaml
index 60c228aba4..14eaeefa61 100644
--- a/mcp/pnpm-workspace.yaml
+++ b/mcp/pnpm-workspace.yaml
@@ -1,3 +1,8 @@
+# auto-confirm node_modules purge when pnpm detects an incompatible modules
+# directory (e.g. after a store location or pnpm major version change),
+# preventing the interactive prompt from blocking bootstrap
+confirmModulesPurge: false
+
 allowBuilds:
   esbuild: true
   sharp: false