BUSINESS CONTACT DISCOVERY
Hunter.io
Find and verify professional emails, research companies, enrich leads and manage outreach workflows.
Hunter.io · Business contact discovery
What it helps with
- Find work emails by person or domain
- Verify email deliverability
- Enrich company and person records
- Organize prospect lists
Best for
Sales researchers, outbound teams and account planners who need sourced business-contact and company data.
Sector fit
Cross-sector workplace use
Task and sector fit are editorial suggestions, not vendor certifications.
Pricing not verified
Pricing & access
Current pricing, credits and feature allowances were not reviewed. Check the vendor before purchasing.
Free access
Not verified
Check pricing on the vendor's site ↗Prices reflect the reviewed source and billing basis. Taxes, regional pricing, seats, licenses, and consumption may affect the total.
Works with your setup?
Platforms
Web
Published integrations
Not verified in this snapshot
Data considerations
Review contact-data sourcing, usage rights, consent requirements, opt-outs, retention and AI-client data handling before using professional contact records.
This is a review prompt, not an independent privacy or compliance certification.
Limitations to consider
- Contact data can be incomplete or outdated; verify role, employer and channel before outreach.
- Vendor-described capabilities; accuracy and authenticated workflows were not independently tested.
Evidence & verification
Official vendor documentation reviewed for capabilities; RocketReach uses its verified official MCP Registry entry. No accuracy percentages, pricing or universal coverage claims are inferred. Official MCP endpoint returned HTTP 401 without credentials; authenticated tool calls were not tested. Documentation describes supported sign-in methods.
Hunter.io official capability source ↗ · Vendor-described contact and company research capabilities · 2026-11-13Connect Hunter.io to your AI assistant
An MCP server lets assistants such as Claude or ChatGPT use Hunter.io directly. You connect straight to the vendor's server; ToolGrail never sees your account.
Remote server · needs an API key
Server addresshttps://mcp.hunter.io/mcp
- What it can do
- Find and verify professional emails, enrich people and companies, and manage leads and outreach.
- Sign-in
- Required. You provide an API key from your account.
- Cost
- Not verified. What you can do through it may depend on your Hunter.io plan, so check that your plan includes MCP or API access.
- How we know it's official
- Answered MCP on mcp.hunter.io, the vendor's own domain. Checked 2026-11-13. Vendor's MCP guide ↗
Claude
Go to Customize › Connectors, select + Add, then Add custom connector. Enter a name, paste the server address and select Continue. Add your Hunter.io API key as a request header. Turn it on in a chat from the + menu under Connectors. Free plans can add one custom connector; on Team and Enterprise an owner adds it for the organisation.
Claude help ↗ChatGPT
Custom MCP servers are available on ChatGPT Business, Enterprise and Edu, on the web. An admin or owner, or an authorised member on Enterprise and Edu, goes to Plugins, selects + then Add custom MCP server, pastes the server address, sets up authentication and accepts the risk notice.
OpenAI help ↗Other assistants and editors
Add a remote MCP server using this address. Clients that support Streamable HTTP, the current MCP transport, accept it directly. Menu names vary by client.
Remote server · sign in with your account
Server addresshttps://mcp.hunter.io/mcp
- What it can do
- Find and verify professional emails, enrich people and companies, and manage leads and outreach.
- Sign-in
- Required. You sign in with your own account when you connect, using OAuth.
- Cost
- Not verified. What you can do through it may depend on your Hunter.io plan, so check that your plan includes MCP or API access.
- How we know it's official
- Answered MCP on mcp.hunter.io, the vendor's own domain. Checked 2026-11-13. Vendor's MCP guide ↗
Claude
Go to Customize › Connectors, select + Add, then Add custom connector. Enter a name, paste the server address and select Continue. When asked, choose to sign in and log in to your Hunter.io account. Turn it on in a chat from the + menu under Connectors. Free plans can add one custom connector; on Team and Enterprise an owner adds it for the organisation.
Claude help ↗ChatGPT
Custom MCP servers are available on ChatGPT Business, Enterprise and Edu, on the web. An admin or owner, or an authorised member on Enterprise and Edu, goes to Plugins, selects + then Add custom MCP server, pastes the server address, sets up authentication and accepts the risk notice.
OpenAI help ↗Other assistants and editors
Add a remote MCP server using this address. Clients that support Streamable HTTP, the current MCP transport, accept it directly. Menu names vary by client.
MCP availability, sign-in and plan requirements can change. How we find and check servers.
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