diff --git a/prisma/migrations/20260502175000_add_task_repo_url/migration.sql b/prisma/migrations/20260502175000_add_task_repo_url/migration.sql
new file mode 100644
index 0000000..779dc9f
--- /dev/null
+++ b/prisma/migrations/20260502175000_add_task_repo_url/migration.sql
@@ -0,0 +1,4 @@
+-- AlterTable: optional repo_url override on Task. Used when an MCP-server
+-- task is tracked under a different product's PBI (cross-repo support).
+-- Falls back to product.repo_url when NULL.
+ALTER TABLE "tasks" ADD COLUMN "repo_url" TEXT;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 1c9c121..599cdc2 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -254,6 +254,11 @@ model Task {
   status              TaskStatus @default(TO_DO)
   verify_only         Boolean        @default(false)
   verify_required     VerifyRequired @default(ALIGNED_OR_PARTIAL)
+  // Override product.repo_url for branch/worktree/push purposes. Set when
+  // a task targets a different repo than its parent product (e.g. an
+  // MCP-server task tracked under the main product's PBI). Falls back to
+  // product.repo_url when null.
+  repo_url            String?
   created_at          DateTime       @default(now())
   updated_at          DateTime   @updatedAt
   claude_questions    ClaudeQuestion[]