dev.tabhand/tabhand
Tabhand
Is the Tabhand MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.
Let your coding agents use your real, signed-in Chrome, in background tabs that never steal focus.
alive probed 2026-11-14 · unchanged since 2026-10-29
- Run it
- npx -y tabhand@0.10.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- tabhand 0.10.1
- Capabilities
- tools
- Instructions
- 1 449 characters
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.0k tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 3.1k. The o200k_base estimate is 1.7k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/tabhand/tabhand
- Website
- https://tabhand.dev
- Registry
- active, updated 2026-10-22 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.75×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| browser_click | 326 | 186 | 11 % |
| browser_type | 323 | 184 | 11 % |
| browser_open_tab | 310 | 177 | 10 % |
| browser_upload_file | 301 | 172 | 10 % |
| browser_handle_dialog | 270 | 154 | 9 % |
Compare this server with others.
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Other registry entries on npmjs.com, the ones next to this name; all of them.
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- dev.toolc/toolc · crashed on start
Servers that mention background or chrome.
- RadioMatic: AI background music and music licences for businesses ai.radiomatic/radiomatic · alive
- WebRun Browser Automation ai.webrun/webrun · alive
- app.creatica/backgrounds · rate limited
- Mochify app.mochify/mochify · needs auth
- God Mode AI Sprite Generator co.godmodeai/sprites · needs auth
- com.backgroundcheckquotes/site · alive
- Brainiall Image com.brainiall/image · not MCP
- Chrome-Stats com.chrome-stats/chrome-stats · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.