AI-Powered Cloud Services / Sandbox SDK — Deploy Secure Environments / Browser Agent — Automated Testing / Tax Agent — AI Tax Service / Try it free at ai.tangle.tools / AI-Powered Cloud Services / Sandbox SDK — Deploy Secure Environments / Browser Agent — Automated Testing / Tax Agent — AI Tax Service / Try it free at ai.tangle.tools /
Open Source

Your QA team
is an AI.

Describe what to test in plain English. The AI agent launches a browser, navigates your app, and verifies everything works.

$ npm i -g @tangle-network/browser-agent-driver
Get Started Star on GitHub 
$ bad run \
  --goal "Sign up, create project, verify dashboard" \
  --url https://your-app.com \
  --model claude-sonnet-4-20250514 --vision

agent-driver v0.10.0
Model: anthropic/claude-sonnet-4-20250514 | Vision: true

  ▶ Sign up, create project, verify dashboard
    turn 1: navigate → /signup
    turn 2: type → email field
    turn 3: click → "Create Account"
    turn 4: navigate → /dashboard
  ✓ Goal achieved (4 turns, 9.2s)
See It Work
One command. Full evidence.
The agent navigates your app autonomously — clicking, typing, scrolling — and captures screenshots at every step.
Terminal — bad run
$ bad run \ --goal "Sign up for a new account, verify the welcome email, then check the dashboard loads" \ --url https://your-app.com \ --model claude-sonnet-4-20250514 --vision agent-driver v0.10.0 Model: anthropic/claude-sonnet-4-20250514 | Vision: ✓ | Concurrency: 1 ▶ Sign up for a new account, verify the welcome email... turn 1 navigate → https://your-app.com/signup turn 2 type → input[name="email"] · test@example.com turn 3 type → input[name="password"] · •••••••• turn 4 click → button "Create Account" turn 5 evaluate → "Welcome email sent" banner visible turn 6 navigate → /dashboard turn 7 evaluate → Dashboard loaded with user data ✓ Goal achieved (7 turns, 14.2s) Screenshots: 7 · Video: recording.webm · Report: report.html
Capabilities
One package. Every workflow.
E2E Testing
Complete user flows in one sentence.
Signup, checkout, onboarding — the agent handles the entire journey.
navigate
→
type email
→
type password
→
click "Sign Up"
→
verify dashboard
Visual Regression
Catch design drift.
Multimodal vision compares against baselines.
98%
0 visual regressions detected
Self-Healing
Tests that adapt.
Stuck detection, auto-recovery, overlay dismissal.
stuck detected
recovered → continue
Design Audit
Score any website's UI quality.
Extracts design tokens, identifies inconsistencies, generates structured reports.
82
health score
⚠ Typography: 3 inconsistent sizes
✓ Colors: consistent palette
✓ Contrast: WCAG AA compliant
Parallel Execution
1 to 100 browsers.
Concurrent suites, dependency-aware.
Web3 Wallet
MetaMask built-in.
Auto-approval, persistent profiles, chain switching.
Ethereum
Polygon
Arbitrum
Base
Trajectory Memory
Gets smarter over time.
Case-based reasoning from previous runs.
Reliability 98%
Your QA team is an AI.
npm install, describe what to test, let the agent handle the rest. Free and open source.
Launch Browser Agent