Apollo.io MCP Server

mcp-name: io.github.wmarceau/apollo

MCP (Model Context Protocol) server that provides Apollo.io lead enrichment, prospecting, and company search capabilities through Claude and other AI assistants.

Features

• Full Outreach Pipeline - End-to-end automation from natural language prompt to enriched leads
• Company Context Detection - Auto-detect which company (Southwest Florida Comfort, Marceau Solutions, Footer Shipping)
• Iterative Search Refinement - Automatically filters out sales reps and low-quality leads
• Lead Quality Scoring - Ranks leads by title, contact info, and company data
• People Search - Find contacts by title, location, company, and more (with excluded_titles support)
• Company Search - Search for businesses by location, industry, size
• Lead Enrichment - Reveal email addresses and phone numbers (costs credits)
• Decision Maker Finder - Find owners, CEOs, and managers at companies
• Local Business Search - Quick search for local businesses by location and industry

Installation

Via pip (when published to PyPI)

pip install apollo-mcp

From source

cd /Users/williammarceaujr./dev-sandbox/projects/apollo-mcp
pip install -e .

Configuration

You need an Apollo.io API key to use this MCP server.

1. Sign up at Apollo.io
2. Get your API key from Settings > Integrations
3. Set the environment variable:

export APOLLO_API_KEY="your-api-key-here"

Or add to your .env file:

APOLLO_API_KEY=your-api-key-here

Usage with Claude Desktop

Add this to your Claude Desktop configuration:

MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "apollo": {
      "command": "apollo-mcp",
      "env": {
        "APOLLO_API_KEY": "your-api-key-here"
      }
    }
  }
}

Available Tools

End-to-End Pipeline

run_full_outreach_pipeline

NEW: Execute the complete lead generation workflow with a single natural language prompt.

What it does:

1. Detects company context (Southwest Florida Comfort, Marceau Solutions, Footer Shipping)
2. Loads company-specific search template
3. Executes search with automatic title exclusions
4. Validates results and refines search (up to 3 iterations)
5. Scores leads by quality
6. Selects top 20% for enrichment
7. Enriches leads (reveals emails/phones - costs credits)
8. Returns enriched leads ready for SMS campaigns

Example prompts:

• "Run cold outreach for Naples HVAC companies for Southwest Florida Comfort"
• "Find gyms in Miami for Marceau Solutions"
• "Get e-commerce leads for Footer Shipping"

Parameters:

• prompt - Natural language description (required)
• max_results - Maximum initial search results (default: 100)
• enrich_top_n - Number of top leads to enrich (default: 20)
• skip_enrichment - Skip enrichment to save credits (default: false)

Benefits:

• Eliminates manual CSV export/import steps
• Automatic filtering of sales reps and assistants
• Quality scoring ensures you enrich the best leads
• Company-specific templates ensure consistent targeting

Search Tools

search_people

Search Apollo's database for people matching criteria.

Example prompts:

• "Search Apollo for gym owners in Naples, FL"
• "Find CEOs at companies with 10-50 employees in Florida"
• "Search for marketing managers in Miami"

Parameters:

• person_titles - Job titles (e.g., ['owner', 'ceo', 'manager'])
• person_locations - Person locations (e.g., ['Naples, FL'])
• organization_locations - Company locations
• organization_num_employees_ranges - Company size (e.g., ['1,10', '11,50'])
• q_keywords - Keyword search
• excluded_titles - NEW: Exclude people with these title keywords (e.g., ['sales', 'assistant'])
• page - Page number (default: 1)
• per_page - Results per page, max 100 (default: 25)

search_companies

Search for companies by location, industry, and size.

Example prompts:

• "Search Apollo for gyms in Naples with 1-50 employees"
• "Find restaurants in Miami, FL"

Parameters:

• organization_locations - Locations
• organization_num_employees_ranges - Size ranges
• q_keywords - Keyword search
• page, per_page - Pagination

search_local_businesses

Convenience method for local business search.

Example prompts:

• "Search Apollo for gyms in Naples, FL with 1-50 employees"
• "Find local restaurants in Miami"

Parameters:

• location - Location string (required)
• industry_keywords - Industry/keyword
• employee_range - Size range (default: "1,50")
• max_results - Max results (default: 100)

Enrichment Tools

enrich_person

Reveal full contact details for a person. COSTS APOLLO CREDITS.

Example prompts:

• "Enrich the contact info for john.doe@example.com"
• "Get contact details for John Smith at Example Corp"

Parameters:

• email - Email address
• first_name, last_name, domain - Name and company
• linkedin_url - LinkedIn profile

enrich_company

Get detailed company information.

Example prompts:

• "Enrich company data for example.com"
• "Get details about Acme Corporation"

Parameters:

• domain - Company domain
• name - Company name

Decision Maker Tools

find_decision_makers

Find owners, CEOs, and managers at a company.

Example prompts:

• "Find decision makers at example.com"
• "Who are the owners and managers at Acme Corp?"

Parameters:

• company_domain - Company domain (required)
• titles - Custom titles (default: owner, ceo, president, founder, manager, director)

find_email

Find email address for a person. COSTS APOLLO CREDITS.

Example prompts:

• "Find email for John Smith at example.com"

Parameters:

• first_name, last_name, domain - All required

Account Management

get_credit_balance

Note: Apollo API doesn't provide a direct credit balance endpoint. Check your balance at https://app.apollo.io/settings/credits

Company Templates

The MCP includes pre-configured search templates for three companies:

Southwest Florida Comfort (HVAC)

• Target: HVAC businesses in Southwest Florida
• Titles: Owner, CEO, President, Founder, General Manager
• Location: Naples, FL (customizable)
• Employee range: 1-50
• Exclusions: Sales reps, coordinators, assistants
• SMS template: swfl_comfort_hvac_intro

Marceau Solutions (AI Automation)

• Target: Small businesses needing automation
• Industries: Restaurants, Fitness, Medical, Professional Services
• Titles: Owner, CEO, Founder, Manager
• Location: Southwest Florida (customizable)
• Employee range: 1-50
• Exclusions: Sales, marketing coordinators, assistants, interns
• SMS template: marceau_no_website_intro

Footer Shipping (E-commerce)

• Target: E-commerce businesses
• Industries: E-commerce, Online Retail, Consumer Goods
• Titles: Owner, Founder, CEO, Operations Manager
• Location: None (nationwide)
• Employee range: 1-30
• Exclusions: Sales, warehouse, drivers, pickers
• SMS template: footer_shipping_intro

Templates are located in /templates/ and can be customized for additional companies.

Natural Language Examples

User: "Run cold outreach for Naples HVAC companies for Southwest Florida Comfort"
→ Uses run_full_outreach_pipeline
→ Detects company: Southwest Florida Comfort
→ Searches HVAC businesses in Naples
→ Filters out sales reps
→ Enriches top 20 leads
→ Returns leads ready for SMS

User: "Search Apollo for gyms in Naples with 1-50 employees"
→ Uses search_local_businesses

User: "Enrich the top 5 leads from last search"
→ Uses enrich_person on each lead

User: "Find decision makers at ABC Company"
→ Uses find_decision_makers with company_domain

User: "How many Apollo credits do I have left?"
→ Returns instructions to check web dashboard

API Rate Limits

Apollo.io has a rate limit of 50 requests per minute by default. The client includes automatic rate limiting.

Credit Usage

These operations consume Apollo credits:

• enrich_person - Reveals email and phone numbers
• enrich_company - Detailed company enrichment
• find_email - Email finder

Search operations (search_people, search_companies) do NOT cost credits.

Development

Testing the server locally

# Install in development mode
cd /Users/williammarceaujr./dev-sandbox/projects/apollo-mcp
pip install -e .

# Test the server
python -m apollo_mcp.server

Running from source

cd /Users/williammarceaujr./dev-sandbox/projects/apollo-mcp
python src/apollo_mcp/server.py

License

MIT License - see LICENSE file for details

Support

For issues and questions:

• Apollo.io API Documentation: https://apolloio.github.io/apollo-api-docs/
• Apollo.io Support: https://help.apollo.io/

Author

William Marceau Jr. - Marceau Solutions