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Browser Harness

by Browser Use

Verified

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.

Access
CLI
Auth
API Key
Skills
5

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
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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
officialfalse
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…
→ https://browser-harness.com