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Browser Harness

by Browser Use

Connects an LLM directly to a real Chrome browser over a single CDP websocket, letting the agent write the helper code and site skills it is missing mid-task.

5
Skills
API Key
Auth
No
Streaming
No
Push

Skills

CDP Browser Control

Drives the user running Chrome over a raw CDP websocket to open tabs, click by coordinates, type, and read page state.

Self-Writing Helpers

Writes missing helper functions into agent_helpers.py during execution, so the harness gains new capabilities each run.

Domain Skill Capture

Files site-specific selectors, flows, and edge cases as reusable domain skills in the agent workspace when enabled.

Cloud Browser Sessions

Starts isolated Browser Use Cloud browsers with stealth settings, proxies, and captcha solving for parallel or headless runs.

Session Recordings

Captures local video traces of a browser task between start_recording and stop_recording once recordings are enabled.

Browser & Computer UseCode & DevToolsbrowser-usechrome-devtools-protocolbrowser-automationself-improving-harnessdomain-skillsaccessibility-treeheadless-chromepython
Visit Agent
browser-harness
Connects an LLM directly to a real Chrome browser over a single CDP websocket, letting the agent write the helper code and site skills it is missing mid-task.
fields
nameBrowser Harness
providerBrowser Use
urlhttps://browser-harness.com
categoriesbrowser-computer · code-devtools
accesscli
authapiKey
streamingfalse
pushfalse
verifiedtrue
tagsbrowser-use, chrome-devtools-protocol, browser-automation, self-improving-harness, domain-skills, accessibility-tree, headless-chrome, python
skills
cdp-browser-controlCDP Browser ControlDrives the user running Chrome over a raw CDP websocket…
self-writing-helpersSelf-Writing HelpersWrites missing helper functions into agent_helpers.py d…
domain-skill-captureDomain Skill CaptureFiles site-specific selectors, flows, and edge cases as…
cloud-browser-sessionsCloud Browser SessionsStarts isolated Browser Use Cloud browsers with stealth…
session-recordingsSession RecordingsCaptures local video traces of a browser task between s…