---

name: find-emails description: Crawl websites locally with crawl4ai to extract contact emails. Accepts multiple URLs and outputs domain-grouped results for clear attribution. Uses deep crawling with URL filters (contact, about, support) to find emails on relevant pages. Use when extracting emails from websites, finding contact information, or crawling for email addresses. allowed-tools:

• Read
• Write
• StrReplace
• Shell
• Glob

---

Find Emails

CLI for crawling websites locally via crawl4ai and extracting contact emails from pages likely to contain them (contact, about, support, team, etc.).

Setup

1. Install dependencies: pip install crawl4ai
2. Run the script:

python scripts/find_emails.py https://example.com

Quick Start

t

# Crawl a site
python scripts/find_emails.py https://example.com

# Multiple URLs
python scripts/find_emails.py https://example.com https://other.com

# JSON output
python scripts/find_emails.py https://example.com -j

# Save to file
python scripts/find_emails.py https://example.com -o emails.txt

---

Script

find_emails.py — Crawl and Extract Emails

python scripts/find_emails.py <url> [url ...]
python scripts/find_emails.py https://example.com
python scripts/find_emails.py https://example.com -j -o results.json
python scripts/find_emails.py --from-file page.md

Arguments:

Output format (human-readable):

Emails are grouped by domain. Clear structure for multi-URL runs:

Found 3 unique email(s) across 2 domain(s)

## example.com

  • contact@example.com
    Found on: /contact, /about
  • support@example.com
    Found on: /support

## other.com

  • info@other.com
    Found on: /contact-us

Output format (JSON):

LLM-friendly structure with summary and per-domain breakdown:

{
  "summary": {
    "domains_crawled": 2,
    "total_unique_emails": 3
  },
  "emails_by_domain": {
    "example.com": {
      "emails": {
        "contact@example.com": ["/contact", "/about"],
        "support@example.com": ["/support"]
      },
      "count": 2
    },
    "other.com": {
      "emails": {
        "info@other.com": ["/contact-us"]
      },
      "count": 1
    }
  }
}

---

Configuration

Edit scripts/url_patterns.json to customize which URLs the crawler follows. Only links matching these glob-style patterns are included:

{
  "url_patterns": [
    "*contact*",
    "*support*",
    "*about*",
    "*team*",
    "*email*",
    "*reach*",
    "*staff*",
    "*inquiry*",
    "*enquir*",
    "*get-in-touch*",
    "*contact-us*",
    "*about-us*"
  ]
}

If the file is missing or invalid, default patterns are used.

---

Workflow

1. Crawl a site:

   python scripts/find_emails.py https://example.com -o emails.json
   

2. Extract from local file (e.g., cached markdown):

   python scripts/find_emails.py --from-file crawled.md -j
   

3. Customize URL filters by editing scripts/url_patterns.json.

---

Dependencies

pip install crawl4ai
playwright install

Requires a browser (Playwright) for local crawling.

---

Batch Processing

# Crawl multiple sites – results grouped by domain for clear attribution
python scripts/find_emails.py https://site1.com https://site2.com -j -o combined.json

# Extract from multiple local files
for f in crawled/*.md; do
  echo "=== $f ==="
  python scripts/find_emails.py --from-file "$f" -q
done

Multiple URLs are fully supported; output clearly associates each email with its source domain. Domains are normalized (e.g. www.techbullion.com and techbullion.com merge into one) so duplicate sites are not listed separately.

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