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AI browser automation. Describe it. Automate it.

Tell Chase what you want. It spins up a real browser, navigates pages, clicks buttons, solves CAPTCHAs, and returns structured JSON.

Quick Start

npm install -g @browsercash/chase
export BROWSER_CASH_API_KEY="your-key"   # https://browser.cash

chase automate "Get the top 5 stories from Hacker News with title, points, and URL"

{
  "success": true,
  "result": {
    "stories": [
      { "title": "Show HN: ...", "points": 342, "url": "https://..." }
    ]
  }
}

Commands

# One-off automation
chase automate "Find AirPods Pro price on Amazon"
chase automate "Get 5 homes in Austin TX under 400k" --country US

# Generate reusable scripts
chase generate "Scrape today's deals from slickdeals.net"
chase scripts                    # List saved scripts
chase run script-abc123          # Run a saved script

# Task management
chase tasks                      # List recent tasks
chase task task-xyz789           # Get task details

Options

| Flag | Description | |------|-------------| | --country <code> | Browser geo-location (US, CA, ...) | | --type <type> | Node type: hosted, consumer_distributed | | --adblock | Block ads | | --captcha | Auto-solve CAPTCHAs | | --json | JSON output only (default) | | --pretty | Human-readable output | | --verbose | Show debug logs | | --max-turns <n> | Max Claude turns (default: 30) |

Integrations

Claude Code (Skill)

curl -fsSL https://raw.githubusercontent.com/alexander-spring/chase/main/skill/install.sh | bash

Then ask Claude: "Use chase to get the top posts from Reddit r/programming"

Claude Desktop / Cursor (MCP)

Add to your MCP config:

{
  "mcpServers": {
    "chase": {
      "transport": "http",
      "url": "https://chase-api-264851422957.us-central1.run.app/mcp",
      "headers": { "x-api-key": "YOUR_API_KEY" }
    }
  }
}

API

Base: https://chase-api-264851422957.us-central1.run.app

| Endpoint | Method | Description | |----------|--------|-------------| | /automate/stream | POST | Run a task, get results (SSE) | | /generate/stream | POST | Generate a reusable script (SSE) | | /scripts | GET | List saved scripts | | /scripts/:id | GET | Get script details | | /scripts/:id/run | POST | Execute a saved script (SSE) | | /tasks | GET | List recent tasks | | /tasks/:id | GET | Get task status/result | | /health | GET | Health check | | /mcp | POST | MCP HTTP transport |

curl -N -X POST https://chase-api-264851422957.us-central1.run.app/automate/stream \
  -H "Content-Type: application/json" \
  -d '{"task": "Get the title of example.com", "browserCashApiKey": "your-key"}'

How It Works

1. Chase spins up a real browser via Browser.cash
2. Claude navigates, clicks, fills forms, waits for content
3. Structured JSON is extracted and returned
4. Browser session is cleaned up automatically

Self-Hosting

git clone https://github.com/alexander-spring/chase.git && cd chase
npm install && npm run build
ANTHROPIC_API_KEY=sk-... npm run start:server

# Or deploy to Cloud Run
gcloud builds submit --config cloudbuild.yaml

License

MIT