@louis030195/apollo-io-mcp

MCP (Model Context Protocol) server for Apollo.io B2B sales intelligence API. Search for prospects, enrich contacts, and discover companies directly from Claude, ChatGPT, or any LLM that supports MCP.

Features

• 🔍 People Search - Find prospects by job title, location, company
• 👤 People Enrichment - Enrich contact data with emails, phone numbers, LinkedIn profiles
• 🏢 Organization Enrichment - Get detailed company information
• 🌍 Organization Search - Discover companies by industry, size, location
• 📊 B2B Intelligence - Access Apollo's database of 275M+ contacts

Installation

Claude Desktop

Add to your Claude Desktop configuration (~/Library/Application Support/Claude/claude_desktop_config.json on Mac or %APPDATA%\Claude\claude_desktop_config.json on Windows):

{
  "mcpServers": {
    "apollo-io": {
      "command": "npx",
      "args": ["-y", "@louis030195/apollo-io-mcp"],
      "env": {
        "APOLLO_API_KEY": "your-apollo-api-key"
      }
    }
  }
}

Claude Code

# Install globally in user scope with API key
claude mcp add -s user apollo-io npx -e APOLLO_API_KEY=your-apollo-api-key -- -y @louis030195/apollo-io-mcp

Get Your Apollo.io API Key

1. Go to Apollo.io
2. Sign up or log in
3. Navigate to Settings → Integrations → API
4. Copy your API key

Usage

Once configured, you can use natural language to interact with Apollo.io:

People Search

• "Find CTOs in San Francisco working at Series A startups"
• "Search for product managers in New York"
• "Who are the engineers at Anthropic?"

People Enrichment

• "Enrich this email: john@example.com"
• "Find contact info for John Smith at Apollo.io"
• "Get details about jane.doe@company.com"

Organization Search

• "Find SaaS companies in San Francisco with 50-200 employees"
• "Search for AI companies in the Bay Area"
• "List fintech startups in London"

Organization Enrichment

• "Tell me about apollo.io"
• "Get company info for anthropic.com"
• "What technologies does stripe.com use?"

Tools

apollo_search_people

Search for people/prospects in Apollo's B2B database.

Parameters:

• keywords (string, optional): Keywords to search for (job title, company, etc)
• titles (array, optional): Job titles to filter by
• locations (array, optional): Locations to filter by
• organization_ids (array, optional): Organization IDs to filter by
• page (number, optional): Page number for pagination (default: 1)
• per_page (number, optional): Results per page, max 100 (default: 10)

Returns: List of people with contact info, job titles, companies, etc.

apollo_enrich_person

Enrich a person's data with Apollo's B2B intelligence.

Parameters:

• first_name (string, optional): Person's first name
• last_name (string, optional): Person's last name
• email (string, optional): Person's email address
• domain (string, optional): Company domain
• organization_name (string, optional): Company name

Returns: Detailed person data including email, phone, LinkedIn, job info, etc.

apollo_enrich_organization

Enrich a company's data with Apollo's B2B intelligence.

Parameters:

• domain (string, required): Company domain (e.g., apollo.io)

Returns: Detailed company data including size, industry, technologies, funding, etc.

apollo_search_organizations

Search for companies/organizations in Apollo's B2B database.

Parameters:

• keywords (string, optional): Keywords to search for
• locations (array, optional): Locations to filter by
• employee_ranges (array, optional): Employee count ranges (e.g., ['1-10', '11-50'])
• page (number, optional): Page number for pagination (default: 1)
• per_page (number, optional): Results per page, max 100 (default: 10)

Returns: List of organizations with company info, size, location, etc.

Development

# Clone the repo
git clone https://github.com/louis030195/apollo-io-mcp.git
cd apollo-io-mcp

# Install dependencies
npm install

# Build
npm run build

# Run tests
npm test

# Run locally
APOLLO_API_KEY=your-api-key npm start

API Documentation

See Apollo.io API Docs for full API details.

License

MIT

Author

Louis Beaumont