About Arc Control (macOS)
Arc Control (macOS) is an MCP server in the Browser category: macOS-only MCP server for the Arc browser: tabs, navigation, page reading, DOM, scripting.
Install
claude mcp add arc-control-macos -- npx -y arc-control-mcpnpx -y arc-control-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (6)
arc_statusOwned tabs, whether the agent space exists, what a call with no `tab_id` resolves to (reported separately for read-only and for changing tools), and how many stale tabs a previous run left behind.
Parameters not published.
close_own_tabsClose every tab this agent opened, leaving the user's alone. `include_stale` also closes tabs leaked by a dead previous run of the same label.
Parameters not published.
close_tabClose one tab.
Parameters not published.
get_current_tabThe tab a call with no `tab_id` would act on.
Parameters not published.
list_tabsEvery tab, or narrow with `scope: "own"`, `query`, `space`, `window_id`. Rows are flagged `mine` and `isActive`.
Parameters not published.
switch_to_tabMake a tab active in its window. `activate` also brings Arc to the front.
Parameters not published.
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