What is UI-TARS-desktop?
UI-TARS-desktop is a MCP server by bytedance that browser automation using Puppeteer, supporting local and remote browser connections. It is listed under Browser & web and has 39,309 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | bytedance |
| Repository | bytedance/UI-TARS-desktop |
| Popularity | 39,309 GitHub stars |
| Category | Browser & web |
| Security | Low risk (84/100) |
| Rank | #18 of 4,418 MCP servers; #2 in Browser & web |
| License | Apache-2.0 |
| Last commit | 2026-10-09 |
| Stars this week | +72 |
| Runs | Locally |
| Language | TypeScript |
Is UI-TARS-desktop safe to install?
UI-TARS-desktop scores 84/100 on the MCPMods security check: Low risk. Things to review: can take actions such as send, write or deploy. It passed 4 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Runs on your machine only | Pass |
| No credentials mentioned | Pass |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install UI-TARS-desktop?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/bytedance/UI-TARS-desktop/tree/main/packages/agent-infra/mcp-servers/browser
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add ui-tars-desktop -- <command from README> claude mcp add --transport http ui-tars-desktop <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs UI-TARS-desktop for you:
Add the "UI-TARS-desktop" MCP server from https://github.com/bytedance/UI-TARS-desktop/tree/main/packages/agent-infra/mcp-servers/browser to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.