supermarket

Drive a browser

Kernel

Cloud Chromium browsers for AI agents, controlled over CDP, Playwright or an API, with proxies, logins and replays.

At a glance

Provider
Kernel (kernel.sh)
Category
Drive a browser
Type
Hosted browser
Pricing model
Monthly plan fee plus usage billed per second of browser memory; no charge while a browser is idle1
Free tier
Free plan (named Developer in the docs): $0 a month plus usage, $5 of credits a month, 5 concurrent browsers1
Authentication
API key; OAuth 2.1 for the MCP server6
Connect via
REST API, SDKs (TypeScript, Python, Go), CLI, hosted MCP server, CDP/Playwright1
Read from the provider's pages
2026-11-04
Pricing
  • Pricing model: Monthly plan fee plus usage per second of browser memory; idle (standby) time is free
  • Free tier: Developer plan: $0 a month plus usage, with $5 of included credits a month
  • Card required for free tier: Not published
Pricing in full →Tools
  • Official MCP server: Yes, remote
  • Address or package: https://mcp.onkernel.com/mcp (streamable HTTP); stdio via npx -y mcp-remote https://mcp.onkernel.com/mcp
  • tools/list without credentials: HTTP 401 invalid_token; the tool list was read from the docs instead
Tools in full →Authentication
  • Who creates the account: A person approves; an agent can start registration, but the account holder must give it the emailed one-time code
  • Where to get a key: Dashboard at https://dashboard.onkernel.com
  • Other requirements: Not published
Authentication in full →Setup
  • REST API: https://api.onkernel.com
  • MCP server: https://mcp.onkernel.com/mcp
  • OpenAPI spec: https://www.kernel.sh/openapi.json (OpenAPI 3.1)
Setup in full →Limits
  • API requests: Per organisation, per minute; the number is not published. Over the limit returns 429 with Retry-After
  • Browser creation: Rate limited separately from concurrency; acquiring from a pool is not subject to it
  • Rate limit numbers: Not published
Limits in full →Privacy
  • Data location: United States; browsers can run in us-east, eu-west or ap-southeast on Start-Up and Enterprise
  • Retention: Replays kept 1 to 30 days by plan; profile state is stored encrypted until deleted
  • Used for training: Not published
Privacy in full →

Read from Kernel (kernel.sh)’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/kernel.md