Marketing & Social Media · Hunter + Claude
Hunter MCP with Claude: Find, Verify and Enrich Sales Leads Faster
The short answer
Claude works with Hunter through the Model Context Protocol, an open standard that acts as a secure adapter between the two. Once connected with your API key, Claude can search for prospect email addresses, check whether they are deliverable, and add company and role details, all from plain-English instructions your team controls.
What is Hunter?
Hunter is an email marketing platform used for lead generation and contact data enrichment. It helps teams find professional email addresses for people at a company, check whether those addresses are likely to work, and add useful details such as job title and company information. Sales development representatives, marketing teams, recruiters and business development managers commonly use it to build prospect lists before outreach campaigns.
How Claude connects to Hunter through MCP
The Model Context Protocol (MCP) is an open standard that lets Claude use other software securely. Think of it as a universal adapter: it gives Claude a defined, controlled way to talk to a tool like Hunter, so Claude does not need custom code for every system you use.
Once Hunter is connected, Claude can typically read and act on the information Hunter provides. For example, it can look up a company's domain, find professional email addresses for a named role, verify whether an address is deliverable, and enrich a contact with additional details. Your team can then ask for these tasks in ordinary language instead of working through several screens.
Access is controlled by you. Hunter connects with an API key, and we set up least-privilege access so Claude only has the permissions the workflow needs. Consequential steps, such as adding contacts to an outreach sequence or sending messages, can require a person to review and approve them first, and audit logs record what was done.
What you can automate
Building targeted prospect lists
A sales team needs fifty decision-makers at mid-sized logistics firms. Claude can search Hunter for professional email addresses at target domains, filter by role such as operations director, and compile a clean list in a spreadsheet. Reps spend their time on conversations instead of manual searching.
Verifying contacts before outreach
Bounced emails can damage sender reputation. Claude can check a batch of addresses through Hunter's verification and flag those that are risky or undeliverable, so the marketing team removes them before a campaign goes out. This keeps lists healthier and reduces wasted effort.
Enriching existing CRM records
Many CRM records have a name and company but are missing job titles or verified emails. Claude can take those incomplete records, enrich them through Hunter and prepare updates for review. Sales operations can then keep customer data more complete without manual copy-and-paste work.
Finding contacts for account-based campaigns
A business development manager may focus on fifteen strategic accounts. Claude can identify the relevant people at each account, check their contact details and summarise who to approach first. This helps the team plan personalised outreach for high-value targets.
Recruiting and partnership sourcing
Recruiters and partnership managers often need to reach specific professionals. Claude can use Hunter to locate verified addresses for candidates or potential partners at named companies, then pass shortlists to the hiring or partnerships team for review.
An end-to-end workflow: Weekly prospect list build and CRM sync
TriggerEvery Monday, or when a sales manager submits a list of target companies in the shared request form.
Claude reads the list of target company domains and the job roles to be contacted.
Claude uses Hunter to find professional email addresses for each role and company.
Claude runs verification on the found addresses and removes those marked as undeliverable.
Claude enriches each remaining contact with job title and company details.
The verified list is sent to a sales manager for approval, then new contacts are created in the CRM and tagged for the campaign.
OutcomeSales reps start each week with a verified, enriched prospect list already loaded into the CRM. Typical results include less time spent on manual research and fewer bounced emails, though outcomes depend on your market and list quality.
How we set it up
Free automation audit
We review your sales, marketing and recruiting workflows to find where Hunter data would save the most time. You receive a short written summary of the opportunities worth pursuing.
Connect Hunter with an API key
We set up the connection to Hunter using your API key, stored securely, and configure Claude through the Model Context Protocol with least-privilege access so it only sees what the workflow requires.
Design the end-to-end workflow
We map how Hunter data flows into your CRM, Microsoft 365 or other systems, and agree which actions need human approval before anything is sent or saved.
Test, monitor and launch
We test the workflow against past real cases, check accuracy, then launch with monitoring, audit logs and clear escalation paths for exceptions.
Team training and handover
We train your sales, marketing and operations staff to use Claude with Hunter confidently, and document the process so your team can maintain and extend it.
Who benefits
- Sales development representatives
- Spend more time contacting qualified prospects and less time searching for email addresses.
- Marketing managers
- Build cleaner outreach lists with fewer invalid addresses before each campaign.
- Sales operations and CRM administrators
- Keep contact records more complete through controlled enrichment and review.
- Recruiters and business development leads
- Source verified contacts for candidates or partners with a clear approval step.
Security and control
- Access is limited to the minimum permissions each workflow needs, using your API key under your control.
- People review and approve consequential actions, such as adding contacts to campaigns or sending messages.
- Audit logs record what Claude accessed and changed, supporting internal review.
- Outreach follows applicable anti-spam and consent rules in each market; we help design the process but you remain responsible for your campaigns.
- Contact data is handled under your existing data policies and only for agreed purposes.
For teams in the US, UK, India and the Middle East
Organisations in the United States and the United Kingdom must follow their respective marketing and privacy rules, including consent and opt-out requirements for outreach. In India, the Digital Personal Data Protection Act, 2023 governs how personal data is processed. Organisations in the UAE and Saudi Arabia must comply with their national data protection laws. We choose the Claude hosting region, in India, the United States, the United Kingdom or the European Union, to match your legal and contractual requirements, but compliance remains a shared responsibility that your legal team should confirm.
Learn more about Claude and MCP
Anthropic's AI model and assistant.
Secure links between Claude and business tools.
How engineers build and change software with Claude.
Hosted agents that run multi-step work.
The open standard Claude uses to connect to tools.
Frequently asked questions
What does the Hunter MCP server do?
The Hunter MCP server gives Claude a secure, standard way to use Hunter. Through it, Claude can typically search for professional email addresses, verify addresses and enrich contact details based on your instructions. It acts as a controlled bridge, so you do not need custom integration code for each request.
Is connecting Hunter to Claude secure?
Security depends on how the connection is set up. We use your Hunter API key, store it securely, and restrict Claude to least-privilege access. Consequential actions can require human approval, and audit logs record activity so you can review what happened.
What can Claude do with Hunter once connected?
Typically, Claude can find email addresses for people at a company, verify whether addresses are deliverable and enrich contacts with details such as job title. Because you use plain language, your team can request these tasks without learning complex search screens.
How long does setup take?
A simple connection and single workflow can often be launched within a few weeks, after the free automation audit. More complex workflows involving several systems take longer, because testing and approval steps need careful design.
Which plan or permissions do I need?
You need a Hunter account that provides API access with an API key. The exact plan and usage limits depend on your Hunter subscription, so check your account settings or ask us during the audit. We confirm the permissions needed before setup begins.