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Official first-party project overview. This page describes the public software and its stated boundaries; it is not an independent review.
Cockroach Browser is a local-first TypeScript runtime for browser automation by AI agents. It uses Chromium through Playwright and exposes a typed SDK, command-line interface, authenticated local daemon, and MCP server around operator-owned browser sessions.
It starts headed, headless, persistent, or explicitly attached Chromium sessions; observes pages through semantic references; performs navigation, form, pointer, keyboard, file, and download operations; and captures screenshots, PDFs, network observations, traces, and evidence receipts. Profiles, storage state, origins, credentials, and resource budgets remain behind explicit configuration, and higher-authority actions can be placed behind Maqam policy and approval.
The project exists because giving an agent ambient access to a personal browser profile can expose unrelated cookies, credentials, and origins. It is useful when local operation, isolated profiles, observation-first interaction, and evidence capture matter. It is not a complete replacement for every Puppeteer or Playwright API, a hosted browser fleet, or an access-control bypass.
Cockroach Browser is created and maintained by Ajnas N B. The current stable release is 0.3.0 under the GNU AGPL v3.0 or later.
Release and license details were checked on 2026-08-09. Verify the linked public records before relying on a specific artifact.