Drive a browser

Steel

Open-source cloud browser API that runs remote Chrome sessions for agents, with proxies, CAPTCHA solving, profiles and scraping endpoints.

Addresses

REST API: https://api.steel.dev13
MCP server: Local only: npx -y github:steel-dev/steel-mcp-server; mcp.steel.dev is not live14
OpenAPI spec: Not published
Docs for agents: https://docs.steel.dev/llms.txt; any docs page as Markdown by adding .md13
Status page: https://status.steel.dev16

Install

What	Command
Node SDK	`npm install steel-sdk`
Python SDK	`pip install steel-sdk`
CLI	`curl -sSf https://setup.steel.dev \| sh`
MCP server for Claude Code	`claude mcp add steel -e STEEL_API_KEY=your-steel-api-key -- npx -y github:steel-dev/steel-mcp-server`
Browser skill for Claude Code	`npx skills add steel-dev/skills --skill steel-browser -a claude-code -g`

Source14steel-mcp-server README

Read from Nen Labs, Inc.’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/drive-a-browser/steel.md