{"version":"2.1.286","anchor":"mcp-launch-named-wait-event-and-plugin-failure-code-rename","canonical_anchor":"mcp-launch-named-wait-event-and-plugin-failure-code-rename","heading":"Renamed plugin install error code and other small MCP and plugin changes","tier":"internal","area":"Plugins","url":"https:\/\/changelogs.core-directive.com\/v\/2.1.286\/e\/mcp-launch-named-wait-event-and-plugin-failure-code-rename","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.286","markdown":"### Renamed plugin install error code and other small MCP and plugin changes\n\nA plugin install error code is renamed, a workflow option is renamed, and a new MCP startup usage event is added\n\n**Unclear.** What reads these names is not known.\n\n**What**\n\nThree small internal changes:\n\n- the plugin install error code `directory_commit_mismatch` is now `directory_listing_not_installable`\n\n- a workflow option called `serverAuthoredScript` is now called `withholdScriptFromSdkEvents`\n\n- a new usage event, `mcp_launch_named_wait`, is added for MCP servers, the add-ons that give Claude extra tools\n\n**Why**\n\nThese point to work in progress on MCP servers and plugins. If anything you use reads plugin install error codes, look for the new name.\n\n- Area: Plugins\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 0\/5"}