What is Steel Browser?
Steel Browser is a MCP server by steel-dev that browser automation for AI agents without managing infrastructure. It is listed under Developer tools and has 7,800 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | steel-dev |
| Repository | steel-dev |
| Popularity | 7,800 GitHub stars |
| Category | Developer tools |
| Security | Low risk (80/100) |
| Rank | #71 of 4,418 MCP servers; #44 in Developer tools |
| Runs | Not stated |
Is Steel Browser safe to install?
Steel Browser scores 80/100 on the MCPMods security check: Low risk. Things to review: can take actions such as send, write or deploy. It passed 3 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 |
| Where data goes is not stated | Note |
| 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 Steel Browser?
- 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/steel-dev
- 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 steel-browser -- <command from README> claude mcp add --transport http steel-browser <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 Steel Browser for you:
Add the "Steel Browser" MCP server from https://github.com/steel-dev 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.