diff --git a/tools-sync/scripts/sync_mcp_registrations.ps1 b/tools-sync/scripts/sync_mcp_registrations.ps1
index 81e96b3..bfdd500 100644
--- a/tools-sync/scripts/sync_mcp_registrations.ps1
+++ b/tools-sync/scripts/sync_mcp_registrations.ps1
@@ -36,6 +36,8 @@ param(
 )
 
 $ErrorActionPreference = "Stop"
+# `powershell -File x.ps1 -ExcludeName a,b` binds the single string "a,b"; split it ourselves.
+$ExcludeName = @($ExcludeName | ForEach-Object { $_ -split ',' } | ForEach-Object { $_.Trim() } | Where-Object { $_ })
 $script:CodexBackupMade = $false
 $script:Failures = @()
 $script:Unsupported = @()
@@ -156,12 +158,13 @@ function Get-CodexMcpsFromCli {
         $t = $s.transport
         $transport = if ($t.type) { [string]$t.type } elseif ($t.url) { "http" } else { "stdio" }
         if ($transport -eq "streamable_http") { $transport = "http" }
-        $result[[string]$s.name] = New-CanonicalMcp ([string]$s.name) $transport ([string]$t.command) `
+        $mcp = New-CanonicalMcp ([string]$s.name) $transport ([string]$t.command) `
             @($t.args) (ConvertTo-StringMap $t.env) ([string]$t.url) `
             (ConvertTo-StringMap $t.http_headers) ([string]$t.bearer_token_env_var) "Codex"
         # Not part of the drift comparison; Test-CodexManaged needs it because bundled
         # plugin MCPs launch as plain `cmd.exe` and only their cwd names the plugin cache.
-        $result[[string]$s.name] | Add-Member -NotePropertyName cwd -NotePropertyValue ([string]$t.cwd)
+        $mcp | Add-Member -NotePropertyName cwd -NotePropertyValue ([string]$t.cwd)
+        $result[[string]$s.name] = $mcp
     }
     return $result
 }
@@ -208,6 +211,8 @@ function Test-CodexManaged($Mcp) {
     # codex-cli 0.162: code-review / codex_app are `cmd.exe /c scripts\launch_*.cmd` with
     # cwd under .codex\plugins\cache\openai-bundled -- the command alone looks portable.
     if ([string]$Mcp.cwd -match '(?i)[\\/]\.codex[\\/](runtimes|plugins[\\/]cache)[\\/]') { return $true }
+    # The plugin cache may also live outside ~\.codex (e.g. orca's codex-runtime-home). 2026-10-08 HJ_PC.
+    if ([string]$Mcp.cwd -match '(?i)[\\/]plugins[\\/]cache[\\/]') { return $true }
     # The Codex desktop app also bundles MCPs from its own install dir (MSIX
     # WindowsApps, or AppData\Local\OpenAI\Codex). Host-owned, not portable.
     return ($command -match '(?i)[\\/](WindowsApps[\\/]OpenAI\.Codex|OpenAI[\\/]Codex[\\/])')