browser-use

browser-use is a skill for Claude Code, Codex from jimezsa/opencolab. It costs 55 tokens per session (1,063 once invoked), scanned A, original, MIT.

Command-line browser automation for navigating websites, filling forms, clicking controls, taking screenshots, and extracting page content.

In plain words
What is it for?
Use it to drive supported web forms and portals, inspect pages, capture evidence, or collect information through a browser.
Why use it?
It handles repetitive website interactions that are difficult to perform reliably by hand, including application forms on recruiting websites.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/jimezsa/opencolab/browser-use
Any agent
npx skills add jimezsa/opencolab --skill browser-use
Clone the repo
git clone --depth 1 https://github.com/jimezsa/opencolab

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for browser-use

README.md
[![agentmods](https://agentmods.dev/badge/skills/jimezsa/opencolab/browser-use.svg)](https://agentmods.dev/skills/jimezsa/opencolab/browser-use)
Your own site
<a href="https://agentmods.dev/skills/jimezsa/opencolab/browser-use"><img src="https://agentmods.dev/badge/skills/jimezsa/opencolab/browser-use.svg" alt="Measured on agentmods" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,063 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00055 $0.01063
Opus 5 $0.00028 $0.00531
Sonnet 5 $0.00011 $0.00213
Haiku 4.5 $0.00006 $0.00106

Measured 4d ago against content hash ed670733bebc, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

browser-use scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

projects/SKILLS/browser-use/SKILL.md · 105 lines

How it starts

The opening of the file, as written. The whole thing — 105 lines — stays where its author put it; the contents beside it link to each section on GitHub.

browser-use

Automated browser control via the browser-use CLI. Navigate pages, fill forms, click elements, take screenshots, and extract content — all from the command line. On most installs it is backed by Playwright Chromium under the hood — but not on all of them; verify before relying on it.

⚠️ Verify the interface before trusting this doc. On some machines this CLI does not launch its own Playwright browser — it attaches over CDP to an already-running Chromium/Brave, and there is no --profile flag. Run browser-use skill show (or --doctor) to confirm the real interface first. If it attaches over CDP: persistence only happens if you launch the browser with your own --user-data-dir on a debug port; modern Brave/Chrome (136+) refuses remote debugging on the default profile, so use a dedicated user-data-dir and never chase the chrome://inspect toggle.

Prerequisites

  • Python 3.11+ (3.12 recommended)
  • A Python virtual environment with browser-use installed (pip install browser-use)
  • Playwright Chromium installed (python -m playwright install chromium)
  • A graphical display when running headed (Linux: an X / Wayland session; macOS / Windows: native window)

Environment Setup

Every browser-use command needs the venv activated. On Linux you also need to point DISPLAY at the active session and (optionally) tell Playwright where its browsers live.

# activate the venv that has browser-use installed
source <path/to/venv>/bin/activate

# Linux only — point at the active X/Wayland display
export DISPLAY=:0           # adjust to match the running session (:0, :1, ...)

# optional — pin the Playwright browser cache location
export PLAYWRIGHT_BROWSERS_PATH="$HOME/.playwright"

macOS and Windows do not need DISPLAY; the headed flag just opens a native window.

Quick Reference

# Open a URL (headed — visible window)
browser-use --headed open <url>

# Open headless (no visible window)
browser-use open <url>

# See numbered interactive elements on current page
browser-use state

# Click element by index
browser-use click <index>

# Type into an input field by index
browser-use input <index> "text"

# Take a screenshot
browser-use screenshot output.png

# Scroll the page
browser-use scroll [up|down]

# Go back
browser-use back

# Press keys (e.g. Enter, Tab)
browser-use keys Enter

# Select from dropdown
browser-use select <index> "value"

# Extract page content
browser-use extract

# Close the browser
browser-use close

Read the full file on GitHub · 105 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 105 lines · 55 tokens per session scan A ed670733bebc

Subscribe to this mod's changes

browser-use is a skill published in the GitHub repository jimezsa/opencolab (11 stars, last pushed 21d ago), licensed MIT. It adds 55 tokens to every session and 1,063 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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