ruizrica/agent-pi/agent-browser

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LOCAL browser automation CLI for AI agents. The ONLY tool that can access localhost, 127.0.0.1, and local network URLs. Use for ALL browser tasks including testing local dev servers, navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web apps, and automation. Triggers include requests to "open a website", "test localhost", "fill out a form", "click a button", "take a screenshot", "scrape data from a page", "test this web app", "test my local server", "login to a site", "automate browser actions", or any task requiring programmatic web interaction.

Install

npx vskill@latest install ruizrica/agent-pi/agent-browser

SKILL.md

Browser Automation with agent-browser

When to Use This Skill (IMPORTANT)

agent-browser is a LOCAL browser — it runs directly on this machine using a real Chromium instance. It can access:

  • localhost / 127.0.0.1 (local dev servers, local APIs)
  • Local network IPs (192.168.x.x, 10.x.x.x, etc.)
  • Any remote URL (https://example.com, etc.)
  • Local files (file:///path/to/file.html)
DO NOT use web_remote for localhost testing

The web_remote tool (formerly web_test) is a remote service powered by Cloudflare Browser Rendering. It runs on Cloudflare's servers and CANNOT reach localhost, 127.0.0.1, or any local network address. It will fail silently or error on local URLs.

ScenarioUse ThisNOT This
Test localhost:3000agent-browserweb_remote
Test 127.0.0.1:8080agent-browserweb_remote
Test local network deviceagent-browserweb_remote
Fill forms, click buttonsagent-browserweb_remote
Multi-step browser workflowagent-browserweb_remote
Screenshot a public site (quick, no interaction)agent-browser or web_remote—
Accessibility audit of public siteagent-browser or web_remote—

Rule of thumb: Always prefer agent-browser. Use web_remote only when you need a quick remote screenshot/a11y audit and don't need any interaction.

Core Workflow

Every browser automation follows this pattern:

  1. Navigate: agent-browser open <url>
  2. Snapshot: agent-browser snapshot -i (get element refs like @e1, @e2)
  3. Interact: Use refs to click, fill, select
  4. Re-snapshot: After navigation or DOM changes, get fresh refs
bash
agent-browser open https://example.com/form
agent-browser snapshot -i
# Output: @e1 [input type="email"], @e2 [input type="password"], @e3 [button] "Submit"
 
agent-browser fill @e1 "user@example.com"
agent-browser fill @e2 "password123"
agent-browser click @e3
agent-browser wait --load networkidle
agent-browser snapshot -i  # Check result

Essential Commands

bash
# Navigation
agent-browser open <url>              # Navigate (aliases: goto, navigate)
agent-browser close                   # Close browser
 
# Snapshot
agent-browser snapshot -i             # Interactive elements with refs (recommended)
agent-browser snapshot -i -C          # Include cursor-interactive elements (divs with onclick, cursor:pointer)
agent-browser snapshot -s "#selector" # Scope to CSS selector
 
# Interaction (use @refs from snapshot)
agent-browser click @e1               # Click element
agent-browser fill @e2 "text"         # Clear and type text
agent-browser type @e2 "text"         # Type without clearing
agent-browser select @e1 "option"     # Select dropdown option
agent-browser check @e1               # Check checkbox
agent-browser press Enter             # Press key
agent-browser scroll down 500         # Scroll page
 
# Get information
agent-browser get text @e1            # Get element text
agent-browser get url                 # Get current URL
agent-browser get title               # Get page title
 
# Wait
agent-browser wait @e1                # Wait for element
agent-browser wait --load networkidle # Wait for network idle
agent-browser wait --url "**/page"    # Wait for URL pattern
agent-browser wait 2000               # Wait milliseconds
 
# Capture
agent-browser screenshot              # Screenshot to temp dir
agent-browser screenshot --full       # Full page screenshot
agent-browser pdf output.pdf          # Save as PDF

Common Patterns

Form Submission
bash
agent-browser open https://example.com/signup
agent-browser snapshot -i
agent-browser fill @e1 "Jane Doe"
agent-browser fill @e2 "jane@example.com"
agent-browser select @e3 "California"
agent-browser check @e4
agent-browser click @e5
agent-browser wait --load networkidle
Authentication with State Persistence
bash
# Login once and save state
agent-browser open https://app.example.com/login
agent-browser snapshot -i
agent-browser fill @e1 "$USERNAME"
agent-browser fill @e2 "$PASSWORD"
agent-browser click @e3
agent-browser wait --url "**/dashboard"
agent-browser state save auth.json
 
# Reuse in future sessions
agent-browser state load auth.json
agent-browser open https://app.example.com/dashboard
Data Extraction
bash
agent-browser open https://example.com/products
agent-browser snapshot -i
agent-browser get text @e5           # Get specific element text
agent-browser get text body > page.txt  # Get all page text
 
# JSON output for parsing
agent-browser snapshot -i --json
agent-browser get text @e1 --json
Parallel Sessions
bash
agent-browser --session site1 open https://site-a.com
agent-browser --session site2 open https://site-b.com
 
agent-browser --session site1 snapshot -i
agent-browser --session site2 snapshot -i
 
agent-browser session list
Visual Browser (Debugging)
bash
agent-browser --headed open https://example.com
agent-browser highlight @e1          # Highlight element
agent-browser record start demo.webm # Record session
Local Files (PDFs, HTML)
bash
# Open local files with file:// URLs
agent-browser --allow-file-access open file:///path/to/document.pdf
agent-browser --allow-file-access open file:///path/to/page.html
agent-browser screenshot output.png
iOS Simulator (Mobile Safari)
bash
# List available iOS simulators
agent-browser device list
 
# Launch Safari on a specific device
agent-browser -p ios --device "iPhone 16 Pro" open https://example.com
 
# Same workflow as desktop - snapshot, interact, re-snapshot
agent-browser -p ios snapshot -i
agent-browser -p ios tap @e1          # Tap (alias for click)
agent-browser -p ios fill @e2 "text"
agent-browser -p ios swipe up         # Mobile-specific gesture
 
# Take screenshot
agent-browser -p ios screenshot mobile.png
 
# Close session (shuts down simulator)
agent-browser -p ios close

Requirements: macOS with Xcode, Appium (npm install -g appium && appium driver install xcuitest)

Real devices: Works with physical iOS devices if pre-configured. Use --device "<UDID>" where UDID is from xcrun xctrace list devices.

Ref Lifecycle (Important)

Refs (@e1, @e2, etc.) are invalidated when the page changes. Always re-snapshot after:

  • Clicking links or buttons that navigate
  • Form submissions
  • Dynamic content loading (dropdowns, modals)
bash
agent-browser click @e5              # Navigates to new page
agent-browser snapshot -i            # MUST re-snapshot
agent-browser click @e1              # Use new refs

Semantic Locators (Alternative to Refs)

When refs are unavailable or unreliable, use semantic locators:

bash
agent-browser find text "Sign In" click
agent-browser find label "Email" fill "user@test.com"
agent-browser find role button click --name "Submit"
agent-browser find placeholder "Search" type "query"
agent-browser find testid "submit-btn" click

Deep-Dive Documentation

ReferenceWhen to Use
references/commands.mdFull command reference with all options
references/snapshot-refs.mdRef lifecycle, invalidation rules, troubleshooting
references/session-management.mdParallel sessions, state persistence, concurrent scraping
references/authentication.mdLogin flows, OAuth, 2FA handling, state reuse
references/video-recording.mdRecording workflows for debugging and documentation
references/proxy-support.mdProxy configuration, geo-testing, rotating proxies
references/web-search.mdWeb search via DuckDuckGo/Google, extracting search results

Ready-to-Use Templates

TemplateDescription
templates/form-automation.shForm filling with validation
templates/authenticated-session.shLogin once, reuse state
templates/capture-workflow.shContent extraction with screenshots
bash
./templates/form-automation.sh https://example.com/form
./templates/authenticated-session.sh https://app.example.com/login
./templates/capture-workflow.sh https://example.com ./output

Security

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  • Model reviewNot runA model review is scheduled for the next rescan.

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Quality evaluation

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Source

Popularity

Repository stars
267
Repository forks
41
7-day trend score
28

Stars and forks are for the whole GitHub repository, not this skill alone. Refreshed 5 Sep 2026, a month ago.

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