selenium

A guide for writing Robot Framework browser tests with SeleniumLibrary, which controls browsers through Selenium WebDriver. It covers browser setup, waits, forms, windows, frames, and JavaScript.

In plain words
What is it for?
Automating web interfaces, opening browsers, filling forms, switching windows or frames, running JavaScript, and capturing screenshots after failures.
Why use it?
It helps produce browser tests that wait reliably for pages and elements instead of failing because the browser is still loading.

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/manykarim/robotframework-agentskills/selenium
Any agent
npx skills add manykarim/robotframework-agentskills --skill selenium
Clone the repo
git clone --depth 1 https://github.com/manykarim/robotframework-agentskills

Made for: Claude Code, Codex.

Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,583 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 $0.00045 $0.02583
Opus 5 $0.00023 $0.01291
Sonnet 5 $0.00009 $0.00517
Haiku 4.5 $0.00005 $0.00258

Measured 2d ago against content hash ee0d10733b78, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

selenium 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 2d 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.

plugins/rf-agentskills/skills/selenium/SKILL.md · 394 lines

How it starts

The opening of the file, as written. The whole thing — 394 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SeleniumLibrary Skill

Create browser automation tests using SeleniumLibrary with Selenium WebDriver.

Quick Reference

SeleniumLibrary provides browser automation using Selenium WebDriver. Unlike Browser Library, explicit waits are often required for reliable test execution.

Installation

pip install robotframework-seleniumlibrary

WebDriver binaries (chromedriver, geckodriver, etc.) must be in PATH. Selenium 4.6+ includes Selenium Manager which handles driver downloads automatically, so executable_path and webdriver-manager are often unnecessary with modern Selenium. For older versions:

pip install webdriver-manager

Library Import

*** Settings ***
Library    SeleniumLibrary    timeout=10s    implicit_wait=0s

Import Options

Option Default Description
timeout 5s Default timeout for wait keywords
implicit_wait 0s Implicit wait (0s is recommended; use explicit waits instead)
run_on_failure Capture Page Screenshot Keyword to run on failure
screenshot_root_directory None Directory for screenshots
plugins None Plugin modules to load

WebDriver Setup Options

Chrome

# Basic
Open Browser    ${URL}    chrome

# Headless
Open Browser    ${URL}    headless_chrome

# With Options
Open Browser    ${URL}    chrome    options=add_argument("--headless");add_argument("--no-sandbox")

# With WebDriver Manager
Open Browser    ${URL}    chrome    executable_path=${DRIVER_PATH}

Firefox

Open Browser    ${URL}    firefox
Open Browser    ${URL}    headless_firefox
Open Browser    ${URL}    firefox    options=add_argument("--headless")

Edge

Open Browser    ${URL}    edge
Open Browser    ${URL}    headless_edge

Locator Strategies

SeleniumLibrary requires strategy prefixes except for id and name attributes.

Strategy Syntax Example
id id=value or value id=username or username
name name=value or value name=email
xpath xpath=expression xpath=//button[@type='submit']
css css=selector css=button.primary
class class=name class=submit-btn
tag tag=name tag=button
link link=text link=Click here
partial link partial link=text partial link=Click
dom dom=expression dom=document.forms[0]
jquery jquery=selector jquery=button:visible
data data=attr:value data=testid:submit
default (no prefix) username (tries id, then name)

Read the full file on GitHub · 394 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. 2d ago First seen · 394 lines · 45 tokens per session scan A ee0d10733b78

Subscribe to this mod's changes

selenium is a skill published in the GitHub repository manykarim/robotframework-agentskills (30 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 45 tokens to every session and 2,583 once invoked, about $0.0002 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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