Rotunda

Spec sheet

Product

Rotunda describes itself as an agent-first browser forked from Firefox for agents running locally on a user's laptop and home network.Read 9 Oct 2026 · rotunda.sh

Integrations

The site says Rotunda works with the local-first OpenClaw and Hermes agents and with Playwright.Read 9 Oct 2026 · rotunda.sh

Support

For suspected fingerprinting issues, the site instructs users to enable ROTUNDA_DEBUG_DUMP and file an issue with the dump.Read 9 Oct 2026 · rotunda.sh

License

The site identifies Rotunda as open source under the MPL-2.0 license.Read 9 Oct 2026 · rotunda.sh

Maker

The site footer attributes Rotunda to MonkeySee-AI; it does not state a headquarters or founding date.Read 5 Oct 2026 · rotunda.sh

Agent controls

Its CLI supports browser actions including opening tabs, describing page elements, clicking, filling fields, screenshots, downloads, and page extraction.Read 5 Oct 2026 · rotunda.sh

Browser control

Rotunda supports Playwright through its browser and context helpers, and also offers a CLI for agent browser actions.Read 9 Oct 2026 · rotunda.sh

Fingerprint approach

Rotunda says it reports the host's real GPU, audio drivers, and platform while varying human-variable attributes such as fonts, extensions, and screen size.Read 9 Oct 2026 · rotunda.sh

Humanized input

Rotunda says it predicts mouse paths and adds cadence and occasional errors to keystrokes.Read 9 Oct 2026 · rotunda.sh

Intended use

Rotunda says it is intended for personal agents acting on a user's network and advises against using it for crawling.Read 9 Oct 2026 · rotunda.sh

Known limitation

The maker says fingerprint blocking can still occur and suggests checking whether the same site flags a normal Chrome or Firefox session.Read 5 Oct 2026 · rotunda.sh

Local installation

Rotunda installs as a Python package through uv, downloads its patched Firefox build, and requires no hosting layer.Read 5 Oct 2026 · rotunda.sh

Local storage

The site says Rotunda stores persistent browser profiles, including cookies, sessions, downloads, and history, under ~/.rotunda.Read 9 Oct 2026 · rotunda.sh

Maintainer support

The maker recommends filing a GitHub issue with a debug dump when Rotunda alone appears to be flagged.Read 5 Oct 2026 · github.com

Open source

Rotunda’s site identifies the project as open source under the MPL-2.0 license.Read 5 Oct 2026 · rotunda.sh

Page actions

Its CLI supports describing page elements, clicking, hovering, filling and typing into fields, screenshots, downloads, and extracting page content.Read 9 Oct 2026 · rotunda.sh

Persistent profiles

Browser profiles for each agent retain cookies, sessions, downloads, and history under ~/.rotunda.Read 5 Oct 2026 · rotunda.sh

Playwright

Rotunda provides a Playwright browser and context, and the site says existing locators, selectors, and events work natively.Read 5 Oct 2026 · rotunda.sh

Protocol

Rotunda uses Firefox's Juggler protocol with Playwright rather than Chrome's CDP, which it says isolates driver commands from the page context.Read 9 Oct 2026 · rotunda.sh

Telemetry

The site says Rotunda requires no hosting layer and has no telemetry.Read 9 Oct 2026 · rotunda.sh

Where Specifiction places it

• AI Browsers#23 of 236.6