Drive a browser

Anchor Browser

Cloud Chromium browser service for AI agents, controlled over CDP or REST, with proxies, captcha solving, recordings and managed logins.

Methods

MethodUsed forHow
API keyREST API, SDKs and MCPSend the anchor-api-key header
OAuth sign-inHosted MCP serverClient opens Anchor sign-in on first use
Agent Access challengeGetting a key without a dashboard accountGET /v1/agent-access/challenge, then POST /v1/agent-access

Source4MCP hosted version

Getting access

Who creates the account
A person can sign up in the dashboard; an agent can get a key through Agent Access without a dashboard account3
Where to get a key
https://app.anchorbrowser.io/api-keys12
Other requirements
Agent Access keys: about $1 credit, sessions capped at 60 minutes; production use needs an account3

Read from Anchor’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/anchor-browser.md