diff --git a/workspace-server/internal/handlers/platform_agent.go b/workspace-server/internal/handlers/platform_agent.go
index 2b90ed84..57666d5e 100644
--- a/workspace-server/internal/handlers/platform_agent.go
+++ b/workspace-server/internal/handlers/platform_agent.go
@@ -663,8 +663,8 @@ func MaybeProvisionPlatformAgentOnBoot(ctx context.Context, database *sql.DB, pr
 			return
 		}
 		log.Printf("boot: platform-agent %s running but MISSING concierge identity — re-declaring management MCP and restarting once to apply the system prompt + platform MCP", id)
-		if rec, skip := seedTemplatePlugins(ctx, id, []string{conciergePlatformMCPPlugin}); skip > 0 {
-			log.Printf("boot: concierge %s could not re-declare %q plugin (recorded=%d skipped=%d) — management MCP may be absent until next provision", id, conciergePlatformMCPPlugin, rec, skip)
+		if rec, skip := seedTemplatePlugins(ctx, id, []string{conciergePlatformMCPSource}); skip > 0 {
+			log.Printf("boot: concierge %s could not re-declare %q plugin (recorded=%d skipped=%d) — management MCP may be absent until next provision", id, conciergePlatformMCPSource, rec, skip)
 		}
 		go restartByID(id)
 		return
diff --git a/workspace-server/internal/handlers/platform_agent_test.go b/workspace-server/internal/handlers/platform_agent_test.go
index 90c5003b..ed4e2e57 100644
--- a/workspace-server/internal/handlers/platform_agent_test.go
+++ b/workspace-server/internal/handlers/platform_agent_test.go
@@ -318,7 +318,7 @@ func TestMaybeProvisionPlatformAgentOnBoot_RestartsRunningButVanilla(t *testing.
 	mock.ExpectQuery(kindQuery).WithArgs(bootPlatformID).
 		WillReturnRows(sqlmock.NewRows([]string{"kind"}).AddRow("platform"))
 	mock.ExpectExec(`INSERT INTO workspace_declared_plugins`).
-		WithArgs(bootPlatformID, conciergePlatformMCPPlugin, sqlmock.AnyArg()).
+		WithArgs(bootPlatformID, conciergePlatformMCPName, sqlmock.AnyArg()).
 		WillReturnResult(sqlmock.NewResult(0, 1))
 
 	// Running, but ExecRead of system-prompt.md returns vanilla content (no