Indexbrain + Hunter.io

CRM & SalesAPI key6 readPro and Team

Hunter.io connects live — no background sync. Skills can find and verify email addresses and enrich people/companies. Read-only — Hunter has no write API.

Connect Hunter.io Hunter.io website

Every Hunter.io action

Each action is set independently to always allow, ask every time, or disabled. The mode below is the default before anyone changes anything.

Action	What it does	Type	Default
Accounthunter.account	Get Hunter account details and remaining credits. Useful before large enrichment runs so the companion can report on runway.	read	Always allow
Companies findhunter.companies_find	Enrich a company by domain. Returns industry, size, tech stack, social profiles, description.	read	Always allow
Domain searchhunter.domain_search	Enumerate public email addresses at a company + people behind them. Filter by department or seniority. Most efficient way to source contacts at a target account.	read	Always allow
Email finderhunter.email_finder	Find a specific person's email at a company. Provide a domain OR company, plus one of: full_name, or (first_name + last_name). Returns email + confidence + verification.	read	Always allow
Email verifierhunter.email_verifier	Verify whether an email address is deliverable. Returns status, score, and signals (MX, SMTP, catch-all, disposable).	read	Always allow
People findhunter.people_find	Enrich a single person from their email or LinkedIn handle. Returns job title, company, socials, country.	read	Always allow

What people do with Hunter.io

Sales

Enrich a Lead List

Add, verify, or correct useful company and contact fields in an existing lead or account list.

Sales

Find New Customers

Find and qualify prospective customers from the user's offer, best customers, target market, geography, buying signals, or other criteria.

Browse all 68

Connecting it

Connect Hunter.io

Paste an API key. It is encrypted at rest and never shown again.

Choose what it may do

Set each action to always allow, ask, or disabled. Reads are allowed by default; writes ask.

Ask

From the Indexbrain dashboard, or from Claude, Cursor, ChatGPT, Codex, or Slack over MCP and REST.

Connect Hunter.io and ask it something

The free tier includes three integrations, needs no card, and does not expire.