Hunter MCP

Tool

What it does

account_info

Read the Hunter v2 account plan and exact current credit usage, including remaining unified or per-type balances

domain_search

Search Hunter v2 emails for one domain/company with current people, verification, location, job-title, decision-maker, aggregation, and offset filters

email_finder

Find and automatically verify the most likely professional email from a company/domain plus name, or directly from a LinkedIn handle

email_verifier

Verify one email address with Hunter v2 and return exact deliverability, score, SMTP/MX, accept-all, webmail, disposable, and source evidence

email_count

Count Hunter email coverage for a domain/company, optionally limited to personal or generic addresses, without returning addresses

email_enrichment

Enrich a person from an email address or LinkedIn handle using Hunter v2, optionally in Clearbit-compatible format

company_enrichment

Enrich a company from its domain using Hunter v2, optionally in Clearbit-compatible format

combined_enrichment

Enrich both a person and their company from one email using Hunter v2, optionally in Clearbit-compatible format

discover

Use Hunter Discover v2 to find companies from current natural-language or structured organization, location, industry, headcount, type, year, keyword, technology, and funding filters

create_lead

Create one Hunter lead from a required email and optional current lead fields, list placement, and custom attributes. This is a single-attempt mutation

list_leads

List Hunter leads with current list, identity, company, status, verification, activity/date, location, tag, campaign, user, confidence, custom-attribute, query, and offset filters

Variable

Required

Purpose

HUNTER_API_KEY

yes

Hunter.io API key from hunter.io/api-keys

HUNTER_API_BASE

no

Override the Hunter API base URL (default https://api.hunter.io/v2)

HUNTER_TIMEOUT_MS

no

Per-request timeout in milliseconds (default 30000)

HUNTER_RETRY_BASE_MS

no

Base delay in milliseconds for the GET retry backoff (default 500)