Browser infrastructure for agents: 11 companies ranked

Companies selling cloud and headless browsers that let AI agents use websites, in SalesBook agentic-sector rank order. Every company has a profile with dated public sources and a live check of its agent interfaces (MCP, llms.txt). Ranks use the published SalesBook method; tell us who is missing.

• Kernel#24Cloud browser API for AI agents and automations: isolated Chromium sessions, persistent profiles, managed auth, proxies and replays.
  MCP connector: nollms.txt: yes
• Notte#36Cloud browser infrastructure for AI agents: managed sessions, proxies, CAPTCHA solving, credential vaults and serverless browser functions.
  MCP connector: nollms.txt: no
• Browserbase#37Cloud headless-browser infrastructure and the Stagehand SDK that let AI agents browse and act on websites, sold to developers and companies.
  MCP connector: yesllms.txt: yes
• Skyvern#47Open-source AI browser agent platform that automates portal logins, invoice downloads and form filling via API, SDKs or self-hosting.
  MCP connector: nollms.txt: no
• Anchor Browser#56Secure cloud browser infrastructure for computer-use AI agents.
  MCP connector: yesllms.txt: yes
• Browser Use#85Open-source browser-agent library plus a cloud browser and agent API for companies automating web tasks.
  MCP connector: yesllms.txt: yes
• Browserless#87Hosted headless browsers for automation and AI agents, connectable over MCP, Puppeteer or Playwright.
  MCP connector: yesllms.txt: yes
• Steel#91Open-source browser API for running fleets of cloud browsers for AI agents, with hosted paid plans.
  MCP connector: nollms.txt: yes
• Hyperbrowser#95Cloud browsers, sandboxes and web-data APIs for AI agents.
  MCP connector: nollms.txt: yes
• Lightpanda#98Open-source headless browser engine built for AI agents, automation and crawling, plus a hosted cloud with enterprise plans.
  MCP connector: nollms.txt: yes
• TinyFish#115Web stack for AI agents (search, fetch, agent, cloud browser) and enterprise web-execution for monitoring, enrichment and portal workflows.
  MCP connector: nollms.txt: no