Tab Hammer
List, group, move, focus, open, and close browser tabs through the Tab Hammer extension.
- tools
- 8
- transport
- STDIO
- last updated
- Nov 6, 2026
Tools
8 toolsPublic tool metadata for what this MCP can expose to an agent.
list_tabsLists every open window, tab group, and tab.
Lists every open window, tab group, and tab.
No parameter schema in public metadata yet.
focus_tab
No parameter schema in public metadata yet.
open_tabs
No parameter schema in public metadata yet.
move_tabs
No parameter schema in public metadata yet.
group_tabs
No parameter schema in public metadata yet.
ungroup_tabs
No parameter schema in public metadata yet.
update_group
No parameter schema in public metadata yet.
close_tabs
No parameter schema in public metadata yet.
Sponsors
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Tab Hammer
Tab Hammer is a Chrome extension that shows every open Chrome window, tab group, and tab as a live outline, in its own window or docked in Chrome's side panel. You can rename, rearrange, hibernate, and restore windows and tabs from the outline, see a screenshot preview of any tab before switching to it, carry your outline across computers through your own Google Drive, and let an AI agent like Claude Code organize your tabs through its MCP server.
Tab Hammer beside a browser window: four named windows with coloured headers, tab groups, and a preview of the hovered tab
Tab Hammer and Tabs Outliner
Tab Hammer is a spiritual successor to Tabs Outliner, the long-running extension that shows your tabs as an outline in its own window. If you've used Tabs Outliner, the core ideas will feel familiar: a dedicated outline window, closing a window without losing it, and bringing it back later.
Details
- Repository
- github.com/boltcreative/tab-hammer
- Website
- github.com/BoltCreative/tab-hammer#connect-an-ai-agent-mcp
- Category
- Web & Browser Automation
- Package
tab-hammer-mcp- Transport
- STDIO
- Registry
- MCP registry, active
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