By hunter-io
Find and verify professional email addresses, search contacts by domain, and enrich company data -- directly in Claude.
npx claudepluginhub hunter-io/claude-pluginRuns end-to-end B2B prospecting by chaining company discovery, contact search, email verification, and enrichment. Use when the user wants to build a prospect list, find and qualify leads, or run a full prospecting pipeline.
Prepares an email campaign by adding recipients from your leads. Use when the user wants to set up a campaign, add recipients to a campaign, or prepare for outreach.
Retrieves detailed company information including industry, size, location, and description from a domain name. Use when the user asks about a company, wants company details, or says "tell me about [company]".
Searches for companies matching specific criteria like industry, size, location, and technologies. Use when the user wants to find companies, build a target list, or search for businesses in a market segment. This is a free operation that does not consume credits.
Finds all publicly available email addresses and contacts at a company domain. Use when the user asks who works at a company, wants to find contacts at a domain, or needs email addresses for an organization.
Finds a professional email address from a person's name and company domain. Use when the user asks to find someone's email, look up a contact's email address, or needs to reach a specific person at a company.
Verifies whether an email address is deliverable by checking DNS and SMTP records. Use when the user wants to check if an email is valid, verify an email address, or assess deliverability before sending.
Creates and populates a Hunter leads list from a set of contacts or domains. Use when the user wants to build a lead list, organize contacts into a list, or save search results to Hunter.
Retrieves detailed information about a person from their email address, including name, position, company, and social profiles. Use when the user asks about a person, wants to enrich a contact, or needs more details about someone whose email they have.
GTM building blocks: context building, list building, market research, enrichment, segmentation, email generation, email response simulation, and campaign sending.
Lead enrichment, firmographics, technographics, and data quality
3 pre-built skills that chain multiple Apollo APIs into complete sales workflows — no manual steps, no tab switching. Enrich any contact from a name, email, or LinkedIn URL. Prospect by describing your ICP in plain English and get ranked leads. Find, enrich, and load contacts into a sequence in one shot.
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Agent Skills for AI/ML tasks including dataset creation, model training, evaluation, and research paper publishing on Hugging Face Hub
Open-source, local-first Claude Code plugin for token reduction, context compression, and cost optimization using hybrid RAG retrieval (BM25 + vector search), reranking, AST-aware chunking, and compact context packets.
External network access
Connects to servers outside your machine
Share bugs, ideas, or general feedback.
Find and verify professional email addresses, search contacts by domain, enrich company data, and run full prospecting workflows -- all through natural language in Claude.
Install from the Claude plugin directory, or upload manually via Settings > Plugins > Upload custom plugin in Claude Cowork.
When you first use a Hunter tool, you'll be prompted to connect your Hunter account. The MCP server handles authentication -- just follow the prompts to authorize access with your Hunter API key.
Don't have an account? Sign up for free -- the Free plan includes 25 monthly searches and 50 verifications.
Hunter provides 7 skills that trigger automatically based on your requests:
| Skill | What it does | Try saying... |
|---|---|---|
| Email Finder | Find someone's email from their name and company | "Find Jane Smith's email at Stripe" |
| Domain Search | List all contacts at a company | "Who works at notion.com?" |
| Email Verifier | Check if an email is deliverable | "Is jane@stripe.com valid?" |
| Company Enrichment | Get company details (industry, size, location) | "Tell me about acme.com" |
| Person Enrichment | Get person details from their email | "What do you know about jane@stripe.com?" |
| Discover | Find companies by criteria (free!) | "SaaS companies in France with 50-200 employees" |
| Prospecting | Full end-to-end workflow | "Build me a prospect list of CTOs at fintech startups" |
"Tell me about stripe.com, then find their VP of Sales and verify the email."
Claude will chain Company Enrichment -> Domain Search -> Email Finder -> Email Verifier automatically.
"Find fintech startups in France with 50-200 employees, then get the CTOs' email addresses."
Claude will use Discover to find companies, Domain Search to find contacts, and filter for CTOs.
"Find marketing leaders at SaaS companies in Germany. Verify all their emails."
Claude will chain Discover -> Domain Search -> Email Verifier, confirming credit usage before verification.
| Operation | Credit Cost |
|---|---|
| Domain Search | 1 credit per 10 results |
| Email Finder | 1 credit |
| Email Verifier | 1 credit |
| Company Enrichment | 1 credit |
| Person Enrichment | 1 credit |
| Discover | Free |
Claude will always confirm before running operations that consume credits in bulk.
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