Hunter MCP

Hunter MCP

Hunter.io MCP server. 11 tools cover domain search, email finding and verification, enrichment, company discovery, and lead management.

Install

Claude Code:

claude mcp add hunter -e HUNTER_API_KEY=your-key -- npx -y @scalably-io/hunter-mcp

Codex:

codex mcp add hunter --env HUNTER_API_KEY=your-key -- npx -y @scalably-io/hunter-mcp

Claude Desktop: download hunter-mcp.mcpb from the latest GitHub release and open it.

Setup

1. Create an API key at hunter.io/api-keys.
2. create_lead writes to your Hunter leads list and is the only non-read tool; the other 10 tools are read-only.

Tools (11)

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

Configuration

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)

Reply shape

Every tool returns plain JSON with status (succeeded, partial, no_op), operation, summary, target, result, proof, warnings, recovery. Failures throw a plain error string: <code>: <message> <hint>.

Limits

Hunter's per-plan request quotas surface in account_info.

Verify

Each release lists the package version, the .mcpb sha256 and the production commit it was derived from in CHANGELOG.md. CI runs the tests and a clean install of the packed tarball on every push.

Privacy Policy

This server runs locally, on your machine, under your own credentials. It collects no personal data, contains no telemetry, stores nothing persistently, and talks only to the vendor API it wraps. No third party, including Scalably, receives your data. Contact: [email protected]. Canonical copy: https://scalably.io/connector-privacy.html

License

MIT. Copyright Scalably.