# Hunter MCP for AI Agents AI Agent Connect > Hunter lets your AI agent find professional email addresses, verify if they're actually deliverable, and manage lead lists directly within your workflow. It cuts out the guesswork of finding the right people to contact by pulling verified data from Hunter.io. ## Overview - **Category:** sales-automation - **Price:** Free - **Endpoint:** https://edge.vinkius.com/vk_preview_6Aq8Azt3Si8e6Jch1CifhzjamD5fX3rNZnDNEAuE/ai-agent-connect - **Tags:** email-finder, domain-search, email-verification, prospecting, lead-enrichment, deliverability ## Description Imagine you're trying to build a list of 500 potential clients. Usually, that means jumping between LinkedIn, company websites, and various search tools, then copy-pasting everything into a spreadsheet. It's slow and prone to errors. This Connector changes that by letting your AI agent do the heavy lifting. You can tell your agent to find every professional email at a specific company domain or search for a single person's contact info. It even checks if those emails are actually active before you hit send. You can organize these contacts into lists and see what's in your active campaigns. It turns a multi-hour research job into a few prompts. Because Vinkius makes it so easy to connect these tools, you can get your agent up and running in minutes. You get a clean, verified list of leads without the manual headache of hunting them down one by one. ## Tools ### get_domain_email_count Check email availability ### find_person_email Find personal email ### verify_email_address Check deliverability ### get_account_usage Check credits ### enrich_email_data Get contact intel ### get_lead_details Get lead info ### list_lead_folders List lead lists ### list_saved_leads List lead profiles ### update_lead_info Modify lead data ### create_new_lead Save lead to CRM ### remove_lead Delete lead record ### search_domain_emails Find emails for domain ## Prompt Examples **Prompt:** ``` Find the emails for everyone at tesla.com. ``` **Response:** ``` I've searched the domain **tesla.com** and found the following professional email patterns: | Pattern | Confidence | Sample | :--- | :--- | :--- | | {first}@tesla.com | 94% | john@tesla.com | | {f}{last}@tesla.com | 88% | jdoe@tesla.com | I found a total of 42 professional emails. Would you like me to save these to a new lead list? ``` **Prompt:** ``` Find the email for the CTO at stripe.com. ``` **Response:** ``` I've located the contact information for the CTO at **stripe.com**: * **Name:** [Name Not Found] * **Email:** cto@stripe.com (Confidence: 92%) * **Status:** Verified Would you like me to add this contact to your 'High Priority' lead list? ``` **Prompt:** ``` Is marketing@startup.io still active? ``` **Response:** ``` I've checked the deliverability for **marketing@startup.io**: * **Status:** ❌ INVALID * **Reason:** The domain's MX records are not configured correctly, or the inbox is no longer active. I recommend removing this from your outreach list to protect your sender reputation. ``` ## Capabilities ### Find emails by domain Get every professional email address associated with a specific company. ### Locate specific contacts Find the work email for a specific person using their name and company. ### Verify deliverability Check if an email is valid and safe to send to before you hit send. ### Count domain emails See how many professional emails exist for a target company. ### Manage lead lists Organize and browse your saved lead categories and contacts. ### Track outreach campaigns View your active campaigns and the recipients included in them. ## Use Cases ### Building a cold outreach list An SDR asks the agent to find all emails at a competitor and save them to a new list using domain_search. ### Verifying a messy spreadsheet A marketer gives the agent a list of 100 emails to check with email_verifier to see which are still active. ### Sourcing for a specific role A recruiter asks the agent to find the email for the VP of Engineering at a specific tech company using email_finder. ### Campaign auditing A growth lead asks to see the recipient list for their last email blast to check for errors using list_recipients. ## Benefits - Stop guessing with email_verifier, which confirms addresses are deliverable before you hit send. - Build lists faster using domain_search to grab everyone at a target company at once. - Save time on manual research by letting email_finder pull specific contact details for you. - Keep your outreach organized by using list_lead_lists to group prospects by category. - Track your progress with list_campaigns to see exactly who you're reaching out to in real time. - Protect your sender reputation by only using verified data for your cold email campaigns. ## How It Works The bottom line is you get verified B2B contact data without the manual research. 1. Grab your API key from your Hunter.io dashboard. 2. Connect this Connector through the Vinkius marketplace. 3. Ask your agent to find, verify, or list leads for your next campaign. ## Frequently Asked Questions **Can Hunter MCP find emails for any company?** Yes, it can find professional email addresses for any company domain you provide. It helps you map out who works at a business without you having to search manually. **How does it help with lead generation?** It automates the research phase. You can ask your agent to find all emails at a company and then save them into organized lists for your outreach campaigns. **Can it verify if an email is safe to send?** Yes, it checks if an email address is valid and deliverable. This helps keep your sender reputation high by ensuring you don't send messages to dead accounts. **Does it work for personal emails?** No, this Connector is designed for professional B2B email discovery. It focuses on work addresses and company domains rather than personal accounts like Gmail. **How do I organize my leads?** You can use the lead lists feature to group different prospects by category. This keeps your research organized as you move through different target segments. **Can I see my active campaigns?** Yes, you can view all your current and past campaigns directly through your agent. This lets you see which recipients are included in your active blasts. **How do I get my Hunter.io API key?** Log in to your Hunter.io account at **hunter.io**. In the left sidebar, click the **API** section (or go directly to **hunter.io/api-keys**). Your API key is displayed on this page. Click the **copy** button to copy it. Paste it into the configuration field below. Free plans include 25 searches and 50 verifications per month. **Can I find the email of a specific person at a company?** Yes. Give your AI agent a person's first name, last name, and company domain, and it returns their most likely professional email address with a confidence score. Perfect for reaching out to specific decision-makers. **How accurate is the email verification?** Hunter's verification checks MX records, SMTP responses, and catch-all configurations — returning a status of 'valid', 'invalid', 'accept_all', or 'unknown'. Valid emails have over 95% deliverability. Always verify before sending cold outreach to protect your sender reputation. **Does it work with free plans?** Yes. Hunter offers a free plan with 25 email searches and 50 verifications per month. The API key works the same regardless of plan — the only difference is quota limits. Upgrade to a paid plan for higher volumes. **Can I find all professional email addresses for a specific company?** Yes. Use `search_domain_emails` with a domain (e.g., 'stripe.com') or company name (e.g., 'Stripe') to retrieve all professional emails found for that organization. Each result includes the email, confidence score, position, and source URLs. Use `get_domain_email_count` to preview how many emails are available before using search credits. **Can I verify if an email address is valid before sending outreach?** Yes. The `verify_email_address` tool checks the validity and deliverability of any email address. It returns a status (deliverable, undeliverable, risky, unknown), confidence score, and details about the email server (MX records, SMTP check, accept-all detection). This prevents bounces and protects your sender reputation. **How does Hunter API authentication work?** Hunter uses an API Key passed as a query parameter (`?api_key=YOUR_KEY`) in all requests to `api.hunter.io/v2`. This differs from the typical Bearer token pattern. Your API key is available in the Hunter dashboard under Account > API. Free accounts include 25 searches and 50 verifications per month.