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.

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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: [email protected]"
• "Find contact info for John Smith at Apollo.io"
• "Get details about [email protected]"

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