{"version":"2.1.248","anchor":"directory-sync-plumbing-tool-hidden-from-the-model","canonical_anchor":"directory-sync-plumbing-tool-hidden-from-the-model","heading":"Directory-sync plumbing tool hidden from the model","tier":"internal","area":"MCP","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.248\/e\/directory-sync-plumbing-tool-hidden-from-the-model","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.248","markdown":"### Directory-sync plumbing tool hidden from the model\n\nThe internal sync_files tool is now hidden from the model's tool list.\n\n**What**\n\nThe internal `sync_files` tool belonging to a built-in MCP server is now filtered out of that server's tool list, so it is no longer offered to the model as something to call. Whether every call path applies the filter is not settled by this code.\n\n**Evidence**\n\n`sync_files`\n\n- Area: MCP\n- Tier: Under the hood\n- Useful: 2\/5\n- Signal: 3\/5"}