Add 4 new zero-dependency CLI tools for email outreach: - hunter.js: Email finding/verification via Hunter.io (query param auth) - snov.js: Email finding + drip campaigns via Snov.io (OAuth2 auth) - lemlist.js: Cold email campaigns via Lemlist (Basic auth) - instantly.js: Cold email at scale via Instantly.ai (query param auth) Includes integration guides and registry/README updates. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Hunter.io
Email finding and verification platform for outreach and link building.
Capabilities
| Integration | Available | Notes |
|---|---|---|
| API | ✓ | REST API for domain search, email finder, verification |
| MCP | - | Not available |
| CLI | ✓ | Zero-dependency Node.js CLI |
| SDK | - | API-only |
Authentication
- Type: API Key (query parameter)
- Parameter:
api_key={key} - Env var:
HUNTER_API_KEY - Get key: Hunter dashboard > API
Common Agent Operations
Find emails for a domain
node tools/clis/hunter.js domain search --domain example.com --limit 10
Find a specific person's email
node tools/clis/hunter.js email find --domain example.com --first-name John --last-name Doe
Verify an email address
node tools/clis/hunter.js email verify --email john@example.com
Count emails available for a domain
node tools/clis/hunter.js domain count --domain example.com
Manage leads
# List leads
node tools/clis/hunter.js leads list --limit 20
# Create a lead
node tools/clis/hunter.js leads create --email john@example.com --first-name John --last-name Doe --company "Example Inc"
# Delete a lead
node tools/clis/hunter.js leads delete --id 12345
Manage campaigns
# List campaigns
node tools/clis/hunter.js campaigns list
# Get campaign details
node tools/clis/hunter.js campaigns get --id 12345
# Start/pause a campaign
node tools/clis/hunter.js campaigns start --id 12345
node tools/clis/hunter.js campaigns pause --id 12345
Check account usage
node tools/clis/hunter.js account info
Rate Limits
- Free plan: 25 searches/month, 50 verifications/month
- Paid plans scale with tier
- API rate limit: 10 requests/second
Use Cases
- Link building: Find email contacts at target domains for outreach
- Prospecting: Build lead lists from company domains
- Verification: Clean email lists before sending campaigns