diff --git a/cowork-plugin-management/skills/cowork-plugin-customizer/examples/customized-mcp.json b/cowork-plugin-management/skills/cowork-plugin-customizer/examples/customized-mcp.json
index f9aef7c1..71f9eb95 100644
--- a/cowork-plugin-management/skills/cowork-plugin-customizer/examples/customized-mcp.json
+++ b/cowork-plugin-management/skills/cowork-plugin-customizer/examples/customized-mcp.json
@@ -13,7 +13,7 @@
     },
     "slack": {
       "type": "http",
-      "url": "https://slack.mcp.claude.com/mcp"
+      "url": "https://mcp.slack.com/mcp"
     },
     "figma": {
       "type": "http",
diff --git a/cowork-plugin-management/skills/create-cowork-plugin/references/example-plugins.md b/cowork-plugin-management/skills/create-cowork-plugin/references/example-plugins.md
index 34c0052a..65fed7b4 100644
--- a/cowork-plugin-management/skills/create-cowork-plugin/references/example-plugins.md
+++ b/cowork-plugin-management/skills/create-cowork-plugin/references/example-plugins.md
@@ -345,7 +345,7 @@ connects in that category. Plugins are tool-agnostic.
     },
     "slack": {
       "type": "http",
-      "url": "https://slack.mcp.claude.com/mcp"
+      "url": "https://mcp.slack.com/mcp"
     }
   }
 }